Thinkpad X260 Hardware Maintenance Manual

ThinkPad X260 Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information
under Appendix A “Notices” on page 95.
Second Edition (January 2016)

© Copyright Lenovo 2015, 2016.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration
“GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
Contents
About this manual. . . . . . . . . . . iii Power-on password . . . . . . . . . . . 31

Hard disk password . . . . . . . . . . . 32
Chapter 1. Safety information . . . . . 1 Supervisor password . . . . . . . . . . 33
General safety . . . . . . . . . . . . . . . 1 Power management . . . . . . . . . . . . 33
Electrical safety . . . . . . . . . . . . . . 1 Screen blank mode (for the Windows 7
Safety inspection guide . . . . . . . . . . . 2 operating system only) . . . . . . . . . . 33
Handling devices that are sensitive to electrostatic Sleep mode . . . . . . . . . . . . . . 33
discharge. . . . . . . . . . . . . . . . . 3 Hibernation mode . . . . . . . . . . . 34
Grounding requirements . . . . . . . . . . . 4 Symptom-to-FRU index . . . . . . . . . . . 34
Safety notices (multilingual translations) . . . . . 4 Numeric error codes . . . . . . . . . . 35
Error messages . . . . . . . . . . . . 36
Chapter 2. Important service
Beep symptoms . . . . . . . . . . . . 36
information . . . . . . . . . . . . . . 19
No-beep symptoms . . . . . . . . . . . 37
Strategy for replacing FRUs . . . . . . . . . 19
LCD-related symptoms . . . . . . . . . 37
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . . 19 Intermittent problems . . . . . . . . . . 37
Important notice for replacing a system Undetermined problems . . . . . . . . . 38
board . . . . . . . . . . . . . . . . 20
How to use error message . . . . . . . . 20 Chapter 5. Status indicators . . . . . 39
Strategy for replacing FRUs for CTO, special-bid,
and standard models . . . . . . . . . . . . 20 Chapter 6. Function keys and
Product definition . . . . . . . . . . . . 20 combinations . . . . . . . . . . . . . 41
FRU identification. . . . . . . . . . . . 20
Chapter 7. Locations . . . . . . . . . 43
Chapter 3. General checkout . . . . . 23 Locating computer controls, connectors, and
indicators. . . . . . . . . . . . . . . . . 43
What to do first . . . . . . . . . . . . . . 23
Front view. . . . . . . . . . . . . . . 43
Checkout guide . . . . . . . . . . . . . . 24
Left-side view . . . . . . . . . . . . . 44
Lenovo Solution Center . . . . . . . . . 24
Bottom view . . . . . . . . . . . . . . 44
Quick test programs. . . . . . . . . . . 24
Locating FRUs and CRUs . . . . . . . . . . 44
UEFI diagnostic program . . . . . . . . . 25
Major FRUs . . . . . . . . . . . . . . 46
Bootable diagnostic programs. . . . . . . 25
LCD FRUs . . . . . . . . . . . . . . 48
Power system checkout . . . . . . . . . . . 26
Miscellaneous parts . . . . . . . . . . . 49
Checking the ac power adapter . . . . . . 26
Connector and cable guide . . . . . . . . 49
Checking operational charging . . . . . . 27
Looking up FRU information . . . . . . . . . 53
Checking the removable battery . . . . . . 27
Checking the coin-cell battery . . . . . . . 28 Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . 55
Chapter 4. Related service
Screw notices . . . . . . . . . . . . . . . 55
information . . . . . . . . . . . . . . 29
Retaining serial numbers. . . . . . . . . . . 56
Restoring the factory contents by using the
product Recovery Disc Set . . . . . . . . . . 29 Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 56
Recovery overview for the Windows 10 operating
system . . . . . . . . . . . . . . . . . . 30 Retaining the UUID . . . . . . . . . . . 57
Resetting your computer . . . . . . . . . 30 Reading or writing the ECA information . . . 57
Using advanced startup options . . . . . . 30
Chapter 9. Removing or replacing a
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . . 30 FRU . . . . . . . . . . . . . . . . . . 59
Creating and using a recovery USB drive . . 31 General guidelines . . . . . . . . . . . . . 59
Passwords . . . . . . . . . . . . . . . . 31 Before servicing the computer . . . . . . . . 60
© Copyright Lenovo 2015, 2016 i

Disabling the built-in battery . . . . . . . 60 1140 LCD unit . . . . . . . . . . . . . . . 80
Removing the micro-SIM-card tray . . . . . 60 1150 Power-button card . . . . . . . . . . . 82
1010 Removable battery . . . . . . . . . . . 61 1160 Keyboard assembly . . . . . . . . . . 83
1020 Base cover assembly . . . . . . . . . . 62 2010 LCD bezel . . . . . . . . . . . . . . 85
1030 Built-in battery . . . . . . . . . . . . 63 2020 LCD hinges, LCD panel, and LCD cable . . 85
1040 Memory module . . . . . . . . . . . . 64 2030 Camera/microphone module and camera
1050 Internal storage drive and drive cable . . . 65 cable (available on some models) . . . . . . . 87
1060 Wireless-LAN card or WiGig module . . . . 67 2040 Wireless-LAN/Wireless-WAN/WiGig antenna
assembly and LCD rear-cover assembly . . . . 89
1070 Wireless-WAN card (available on some
models) . . . . . . . . . . . . . . . . . 69
Appendix A. Notices . . . . . . . . . . 95
1080 Thermal fan assembly . . . . . . . . . 70
Trademarks . . . . . . . . . . . . . . . . 96
1090 dc-in cable assembly . . . . . . . . . . 72
1100 System board . . . . . . . . . . . . . 73 Appendix B. Abbreviation and
1110 Coin-cell battery . . . . . . . . . . . . 76 acronym table . . . . . . . . . . . . . 97
1120 Speaker assembly . . . . . . . . . . . 77
1130 Smart-card reader assembly (available on
some models) . . . . . . . . . . . . . . . 78
ii ThinkPad X260 Hardware Maintenance Manual

About this manual
This manual contains service and reference information for the following ThinkPad® products.
ThinkPad X260 Machine types (MT): 20F5 and 20F6
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important: This manual is intended only for trained service technicians who are familiar with ThinkPad
products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information”
on page 1 and Chapter 2 “Important service information” on page 19.
© Copyright Lenovo 2015, 2016 iii

iv ThinkPad X260 Hardware Maintenance Manual
Chapter 1. Safety information
This chapter presents following safety information that you need to be familiar with before you service a
ThinkPad notebook computer.
• “General safety” on page 1
• “Electrical safety” on page 1
• “Safety inspection guide” on page 2
• “Handling devices that are sensitive to electrostatic discharge” on page 3
• “Grounding requirements” on page 4
• “Safety notices (multilingual translations)” on page 4
General safety
Follow these rules to ensure general safety:
• Observe good housekeeping in the area of the machines during and after maintenance.
• When lifting any heavy object:
1. Make sure that you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg muscles; this action removes the strain from the
muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that
you think is too heavy for you.
• Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe.
• Before you start the machine, make sure that other service technicians and the customer's personnel are
not in a hazardous position.
• Place removed covers and other parts in a safe place, away from all personnel, while you are servicing
the machine.
• Keep your toolcase away from walk areas so that other people will not trip over it.
• Do not wear loose clothing that can be trapped in the moving parts of a machine. Make sure that your
sleeves are fastened or rolled up above your elbows. If your hair is long, fasten it.
• Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip, about 8
centimeters (3 inches) from the end.
• Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing.
Attention: Metal objects are good electrical conductors.

• Wear safety glasses when you are hammering, drilling, soldering, cutting wire, attaching springs, using
solvents, or working in any other conditions that might be hazardous to your eyes.
• After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device
that is worn or defective.
• Reinstall all covers correctly before returning the machine to the customer.
• Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan
louvers or cover them with labels or stickers.
Electrical safety
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft
material that does not insulate you when working with live electrical currents.Many customers have, near
their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.
Do not use this type of mat to protect yourself from electrical shock.
© Copyright Lenovo 2015, 2016 1

• Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical
accident occurs, you can then operate the switch or unplug the power cord quickly.
• Do not work alone under hazardous conditions or near equipment that has hazardous voltages.
• Disconnect all power before:
– Performing a mechanical inspection
– Working near power supplies
– Removing or installing main units
• Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer
to power-off the wall box that supplies power to the machine, and to lock the wall box in the off position.
• If you need to work on a machine that has exposed electrical circuits, observe the following precautions:
– Ensure that another person, familiar with the power-off controls, is near you.
Attention: Another person must be there to switch off the power, if necessary.
– Use only one hand when working with powered-on electrical equipment; keep the other hand in your
pocket or behind your back.
Attention: An electrical shock can occur only when there is a complete circuit. By observing the above
rule, you may prevent a current from passing through your body.
– When using testers, set the controls correctly and use the approved probe leads and accessories for
that tester.
– Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as
metal floor strips and machine frames.
Observe the special safety precautions when you work with very high voltages; Instructions for these
precautions are in the safety sections of maintenance information. Use extreme care when measuring
high voltages.
• Regularly inspect and maintain your electrical hand tools for safe operational condition.
• Do not use worn or broken tools and testers.
• Never assume that power has been disconnected from a circuit. First, check that it has been powered off.
• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors,
nongrounded power extension cables, power surges, and missing safety grounds.
• Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury and machine damage.
• Do not service the following parts with the power on when they are removed from their normal operating
places in a machine:
– Power supply units
– Pumps
– Blowers and fans
– Motor generators
– Similar units as listed above
This practice ensures correct grounding of the units.
• If an electrical accident occurs:
– Use caution; do not become a victim yourself.
– Switch off power.
– Send another person to get medical aid.
Safety inspection guide

The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
machine was designed and built, required safety items were installed to protect users and service technicians
from injury. This guide addresses only those items. You should use good judgment to identify potential
safety hazards due to attachment of non-ThinkPad features or options not covered by this inspection guide.
If any unsafe conditions are present, you must determine how serious the apparent hazard could be and
whether you can continue without first correcting the problem.
2 ThinkPad X260 Hardware Maintenance Manual

Consider these conditions and the safety hazards they present:
• Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal
electrical shock)
• Explosive hazards, such as a damaged CRT face or a bulging capacitor
• Mechanical hazards, such as loose or missing hardware
To determine whether there are any potentially unsafe conditions, use the following checklist at the beginning
of every service task. Begin the checks with the power off, and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or sharp edges).
2. Power off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the external ground pin and the frame ground.
b. The power cord should be the authorized type specified for your computer. Go to:
http://www.lenovo.com/serviceparts-lookup
c. Insulation must not be frayed or worn.
4. Check for cracked or bulging batteries.
5. Remove the cover.
6. Check for any obvious non-ThinkPad alterations. Use good judgment as to the safety of any
non-ThinkPad alterations.
7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or
other liquids, or signs of fire or smoke damage.
8. Check for worn, frayed, or pinched cables.
9. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.
Handling devices that are sensitive to electrostatic discharge

Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to
electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects.
Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the
person handling the part are all at the same charge.
Notes:
1. Use product-specific ESD procedures when they exceed the requirements noted here.
2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts:

• Keep the parts in protective packages until they are inserted into the product.
• Avoid contact with other people.
• Wear a grounded wrist strap against your skin to eliminate static on your body.
• Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even
when you are wearing a wrist strap.
• Use a grounded work mat to provide a static-free work surface. The mat is especially useful when
handling ESD-sensitive devices.
• Select a grounding system, such as those listed below, to provide protection that meets the specific
service requirement.
Note: The use of a grounding system to guard against ESD damage is desirable but not necessary.
– Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground.
Chapter 1. Safety information 3

– When working on a double-insulated or battery-operated system, use an ESD common ground or
reference point. You can use coax or connector-outside shells on these systems.
– Use the round ground prong of the ac plug on ac-operated computers.
Grounding requirements
Electrical grounding of the computer is required for operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a certified electrician.
Safety notices (multilingual translations)

The safety notices in this section are provided in the following languages:
• English
• Arabic
• Brazilian Portuguese
• French
• German
• Hebrew
• Japanese
• Korean
• Spanish
• Traditional Chinese
DANGER
DANGER
DANGER

DANGER
DANGER
DANGER
DANGER
DANGER

PERIGO
PERIGO
PERIGO
PERIGO

PERIGO
PERIGO
PERIGO
PERIGO
DANGER

DANGER
DANGER
DANGER
DANGER
DANGER
DANGER

DANGER
VORSICHT
VORSICHT
VORSICHT
VORSICHT

VORSICHT
VORSICHT
VORSICHT
VORSICHT

Chapter 2. Important service information
This chapter introduces following important service information that applies to all machine types supported
by this manual:
• “Strategy for replacing FRUs” on page 19
– “Strategy for replacing a hard disk drive or a solid-state drive” on page 19
– “Important notice for replacing a system board” on page 20
– “How to use error message” on page 20
• “Strategy for replacing FRUs for CTO, special-bid, and standard models” on page 20
– “Product definition” on page 20
– “FRU identification” on page 20
Important:
• Advise customers to contact the Lenovo® Customer Support Center if they need any assistance in
obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for
Lenovo Support are available at:
http://www.lenovo.com/support/phone
• System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo
authorized service technicians are available in the following support site:
http://www.lenovoservicetraining.com/ion/
Strategy for replacing FRUs

Before replacing parts:
Ensure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any FRUs
listed in this manual.
After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before
completing the service action.
To download software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers and

follow the instructions on the screen.
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:
• If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the
original FRU before you continue.
• Some computers have both a processor board and a system board. If you are instructed to replace either
the processor board or the system board, and replacing one of them does not correct the problem,
reinstall that board, and then replace the other one.
• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error.
Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.
Replace only the FRU that changed the symptoms.
Strategy for replacing a hard disk drive or a solid-state drive

Always try to run a low-level format before replacing a hard disk drive or a solid-state drive. This will cause
all customer data on the drive to be lost. Be sure that the customer has a current backup of the data
before doing this task.
Attention: The drive startup sequence in the computer you are servicing may have been changed. Be
extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect
drive, data or programs can be overwritten.

Important notice for replacing a system board
Some components mounted on a system board are very sensitive. Improper handling of a system board can
cause damage to those components, and may cause a system malfunction.
Attention: When handling a system board:

• Do not drop a system board or apply any excessive force to it.
• Avoid rough handling of any kind.
• Avoid bending a system board and hard pushing to prevent cracking at each BGA (Ball Grid Array) chipset.
How to use error message

Use the error codes displayed on the screen to diagnose failures. If more than one error code is displayed,
begin the diagnosis with the first error code. Whatever causes the first error code may also cause false error
codes. If no error code is displayed, see whether the error symptom is listed in the Symptom-to-FRU
Index for the computer you are servicing.
Strategy for replacing FRUs for CTO, special-bid, and standard models
This topic provides information about the model types and FRU identification.
Product definition
This topic introduces different model types and how to identify each type.
Dynamic Configure To Order (CTO) model

This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this
configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and
eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.
The model is “CTO1” and the default country code is “WW” (example: 20AACTO1WW).
Special-bid model
This model is a unique configuration that has been negotiated between Lenovo and the customer. A unique
MTM consists of a 4-character MT, a 4-character model, and a numeric 2-character country code is provided
to the customer to place orders (example: 20AA000955). The country code assigned is numeric and does
not designate a specific country or region. The custom model factsheet for the MTM indicates which country
the special-bid MTM is set up for. Special-bid offering is not generally announced.
Standard model
Standard models (fixed configuration) are announced and offered to all customers. The MTM portion of the
machine label consists of a 4-character MT, a 4-character model, and an alphabetic 2-character country
code. The country code assigned is alphabetic and represents a designated country or region (example:
20AA0009UK).
FRU identification
Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at
an MT - serial number level. Examples of major FRUs are hard disk drive, system board, and liquid crystal
display (LCD).
To identify the major FRUs for a product, do the following:

1. Go to http://support.lenovo.com/ibasepartslookup.
2. Type the Machine Type and Serial Number in the corresponding fields.
3. Click Submit.

eSupport also can be used to view the general FRU list for a product. The FRU list is a general list of
components and does not contain specific model information.
To get the general FRU list for a product, do the following:

1. Go to http://www.lenovo.com/support.
2. Follow the instructions on the screen to select a product.
3. Click the Product & Parts tab.
4. Select System Service Parts to view a general FRU list.
Chapter 2. Important service information 21

Chapter 3. General checkout
This chapter contains the following topics:
• “What to do first” on page 23
• “Checkout guide” on page 24
– “Lenovo Solution Center” on page 24
– “Quick test programs” on page 24
– “UEFI diagnostic program” on page 25
– “Bootable diagnostic programs” on page 25
• “Power system checkout” on page 26
Before you go to the checkout guide, be sure to read the following important notes.
Important notes:
• Only certified trained personnel should service the computer.
• Before replacing any FRU, read the entire page on removing and replacing FRUs.
• When you replace FRUs, it is recommended use new nylon-coated screws.
• Be extremely careful during such write operations as copying, saving, or formatting. The sequence
of the drives in the computer that you are servicing might have been altered. If you select an incorrect
drive, data or programs might be overwritten.
• Replace a FRU only with another FRU of the correct model. When you replace a FRU, ensure that the
model of the machine and the FRU part number are correct by referring to the Web site:
• A FRU should not be replaced because of a single, unreproducible failure. Single failures can occur
for a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation,
electrostatic discharge, or software errors. Consider replacing a FRU only when a problem recurs. If you
suspect that a FRU is defective, clear the error log and run the test again. If the error does not recur, do
not replace the FRU.
• Be careful not to replace a nondefective FRU.
What to do first
When you return a FRU, you must include the following information in the parts exchange form or parts
return form that you attach to it:
1. Name and phone number of service technician
2. Date of service
3. Date on which the machine failed
4. Date of purchase
5. Failure symptoms, error codes appearing on the display, and beep symptoms
6. Procedure index and page number in which the failing FRU was detected
7. Failing FRU name and part number
8. Machine type, model number, and serial number
9. Customer's name and address
Note: During the warranty period, the customer may be responsible for repair costs if the computer damage
was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper
maintenance by the customer.Following is a list of some common items that are not covered under warranty
and some symptoms that might indicate that the system was subjected to stress beyond normal use.

Before checking problems with the computer, determine whether the damage is covered under the warranty
by referring to the following list:
The following are not covered under warranty:

• LCD panel cracked from the application of excessive force or from being dropped
• Scratched (cosmetic) parts
• Distortion, deformation, or discoloration of the cosmetic parts
• Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force
• Damage caused by liquid spilled into the system
• Damage caused by the improper insertion of a PC card or the installation of an incompatible card
• Fuses blown by attachment of a nonsupported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid onto the keyboard
• Use of an incorrect ac power adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted activities:

• Missing parts might be a symptom of unauthorized service or modification.
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard
disk drive might have been dropped or subject to excessive force.
Checkout guide
Use the following procedures as a guide in identifying and correcting problems with the ThinkPad notebook
computers.
Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products,
prototype cards, or modified options can lead to false indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as possible.
2. Verify the symptoms. Try to re-create the failure by running the diagnostic test or by repeating the
operation.
Lenovo Solution Center

The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It
combines diagnostic tests, system information collection, security status, and support information, along
with hints and tips for maximum system performance.
The Lenovo Solution Center program is available for download at:

http://www.lenovo.com/diags
To run the Lenovo Solution Center program, go to Control Panel, click System and Security ➙ Lenovo -
System Health and Diagnostics, and then follow the instructions on the screen.
For more information about the Lenovo Solution Center program, refer to the help information system
of the program.
Quick test programs

Run quick test programs to troubleshoot and resolve computer problems, especially when the computer
does not have the Lenovo Solution Center program installed.
Lenovo provides the following quick test programs:

• Lenovo Hard Drive Quick Test: Use this program to troubleshoot and resolve internal storage problems.
• Lenovo Memory Quick Test: Use this program to troubleshoot and resolve memory module problems.

The quick test programs are applicable on the following operating systems:
• Microsoft® Windows® 10
• Microsoft Windows 8.1
• Microsoft Windows 8
• Microsoft Windows 7
• Microsoft Windows XP
• Microsoft Windows Server® 2003
• Microsoft Windows Server 2008
To download and install a quick test program, go to http://www.lenovo.com/diags, and follow the instructions
on the Web site.
To run a test using quick test program, do the following:

1. Go to the C:\SWTOOLS\ldiag directory.
2. Double-click the gui_lsc_lite.exe file.
3. When the User Account Control window opens, click Yes.
4. Select the device class to be tested.
5. Select the devices to be tested.
6. Select the test to be performed.
7. Follow the instructions on the screen to start the test. When a problem is detected, information
messages are displayed. Refer to the messages to troubleshoot the problem.
UEFI diagnostic program

A UEFI diagnostic program is preinstalled on the computer. It enables you to test memory modules and
internal storage devices, view system information, and check and recover bad sectors on internal storage
devices.
To run the UEFI diagnostic program, do the following:

1. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 26,
and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on page 34
for error code descriptions and troubleshooting hints.
2. When the logo screen is displayed, repeatedly press and release the F10 key. The main screen of the
UEFI diagnostic program is displayed.
3. Follow the instructions on the screen to use the diagnostic program.
Bootable diagnostic programs

If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a
bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable
you to test computer memory and internal storage devices, view system information, and check and recover
the internal storage devices. To use the bootable diagnostic programs, you can create a bootable diagnostic
medium on a USB device or CD.
To create a bootable diagnostic medium, do the following:

1. Go to http://www.lenovo.com/diags.
2. Click Lenovo Bootable Diagnostics.
3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD.
To use the diagnostic medium you have created, do one of the following:
• If you have created the bootable diagnostic medium on a USB device, do the following:
Chapter 3. General checkout 25

1. Attach the USB device to the computer.
2. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page
26, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on
page 34 for error code descriptions and troubleshooting hints.
3. When the logo screen is displayed, repeatedly press and release the F12 key. When the Boot Menu
window opens, release the F12 key.
4. Use the arrow keys to select USB HDD and then press Enter. The diagnostic program will be
launched automatically.
• If you have created the bootable diagnostic medium on a CD, do the following:
1. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page
26, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on
page 34 for error code descriptions and troubleshooting hints.
2. Insert the CD into the external optical drive.
3. Restart the computer.
4. When the logo screen is displayed, repeatedly press and release the F12 key. When the Boot Menu
window opens, release the F12 key.
5. Use the arrow keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter. The diagnostic program
will be launched automatically.
Power system checkout

To verify if the batteries and the power adapter are functional, do the following:
1. Turn off the computer.
2. Connect the ac power adapter.
3. Turn on the computer. If the computer can be turned on, it means that either the battery or the ac
power adapter is functional.
4. Insert a straightened paper clip into the emergency reset hole to reset the computer. If the computer is
still powered on, it means that the ac power adapter is functional.
6. Disconnect the ac power adapter and turn on the computer. If the computer can be turned on, it
means that the battery is functional.
If you suspect that the power problem is caused by a specific power device, refer to the appropriate
checkout item in the following list:
• “Checking the ac power adapter” on page 26
• “Checking operational charging” on page 27
• “Checking the coin-cell battery” on page 28
Checking the ac power adapter

You are here because the computer fails only when the ac power adapter is used.
• If the system-status indicator (the indicator in the ThinkPad logo or the indicator in the center of the power
button) does not blink three times when an ac power source is connected, check the power cord of the ac
power adapter for correct continuity and installation.
• If the computer does not charge during operation, go to “Checking operational charging” on page 27.
To check the ac power adapter, do the following:

1. Unplug the ac power adapter cable from the computer.
2. Measure the output voltage at the plug of the ac power adapter cable.

Pin Voltage (V dc)
3 1 +20
2 0
2
1 3 Ground
(20V)
Note: Output voltage of pin 2 of the ac power adapter might differ from the one you are servicing.
3. If the voltage is not correct, replace the ac power adapter.
4. If the voltage is acceptable, replace the system board.
Note: Noise from the ac power adapter does not always indicate a defect.
Checking operational charging

To check whether the batteries charge properly during operation, do the following:
1. Discharge the batteries until the remaining battery power is less than 50%.
2. Connect the computer to ac power to charge the batteries. If the battery status icon in the Windows
notification area indicates that the batteries are not charging, remove the batteries and let them return
to room temperature.
3. Reinstall the batteries. If the batteries are still not charging, replace the batteries.
4. Check the battery status icon again. If the same error still exists, replace the system board.
Checking the removable battery

This system supports only batteries specially designed for this specific system and manufactured by Lenovo
or an authorized builder. The system does not support unauthorized batteries or batteries designed for other
systems. If an unauthorized battery or a battery designed for another system is installed, the system will
not charge.
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
Move your pointer to the battery-status icon in the Windows notification area to check the battery status.
The battery-status icon displays the percentage of battery power remaining and how long you can use
your computer before you must charge the battery.
Note: If the battery becomes hot, it may not be able to charge. Remove it from the computer and leave it at
room temperature for a while. After it cools down, reinstall and recharge it.
To check the battery, do the following:

1. Power off the computer.
2. Remove the battery and measure the voltage between battery terminals 1 (+) and 7 (-). See the following
figure:
Chapter 3. General checkout 27

Terminal Voltage (V dc)
1, 2 + 0 to + 12.6
7(-)
6(-) 6, 7 Ground (-)
5
3 4
2(+)
1(+)
3. If the voltage is less than +11.0 V dc, the battery has been discharged.
If the voltage is still less than +11.0 V dc after recharging, replace the battery.
4. If the voltage is more than +11.0 V dc, measure the resistance between battery terminals 5 and 7. The
resistance must be 4 to 30 K Ω. If the resistance is not correct, replace the battery. If the resistance
is correct, replace the system board.
Checking the coin-cell battery

To check the coin-cell battery, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 60.
2. Remove the coin-cell battery. See “1110 Coin-cell battery” on page 76.
3. Measure the voltage of the coin-cell battery.
Wire Voltage (V dc)

Red +2.5 to +3.2
Black Ground
• If the voltage is correct, replace the system board.

• If the voltage is not correct, replace the coin-cell battery.
• If the coin-cell battery discharges quickly after replacement, replace the system board.

Chapter 4. Related service information
This chapter contains the following topics:
• “Restoring the factory contents by using the product Recovery Disc Set” on page 29
• “Recovery overview for the Windows 10 operating system” on page 30
• “Passwords” on page 31
• “Power management” on page 33
• “Symptom-to-FRU index” on page 34
Service Web site: When the latest maintenance diskette and the system program service diskette become
available, they will be posted on:
http://www.lenovo.com/support
Restoring the factory contents by using the product Recovery Disc Set
When the main storage device is replaced because of a failure, no product recovery program is on the new
drive. In this case, the customer must use the Recovery Disc Set to recover the computer. Order the
Recovery Disc Set and the drive at the same time so that the customer can restore the computer to the
factory default settings by using the Recovery Disc Set after the new drive is installed. For information about
which discs to order, go to http://www.lenovo.com/serviceparts-lookup.
Depending on the model, the number of recovery discs included in the Recovery Disc Set differs. To restore
the factory contents by using the product Recovery Disc Set, do the following:
Notes:
• During the recovery process, all data on the drive will be deleted. If possible, copy any important data
or personal files that you want to keep onto removable media or a network drive before you start the
recovery process.
• The recovery process takes one to two hours to complete. The length of time depends on the method you
use. If you use product Recovery Disc Set, the recovery process takes about two hours.
1. Connect an external CD/DVD drive.
2. Make the CD/DVD drive the first startup device in the startup sequence using the following procedure:
a. Open the ThinkPad Setup program and select Startup ➙ Boot.
b. Select the CD/DVD drive as the 1st Boot Device.
3. Insert the bootable recovery disc into the CD/DVD drive.
4. Start the computer from the external CD/DVD drive.
5. When promoted, select your language and click Next.
6. Read the license and accept the terms and conditions. Then follow the instructions on the screen.
7. If the Recovery Disc Set contains a Supplemental Recovery Disc, insert it when prompted and click Yes.
Note: Not all Recovery Disc Sets come with a Supplemental Recovery Disc. If there is a Supplemental
Recovery Disc, it will be clearly marked as such.
8. When all of the data has been copied from the last disc in the set and has been processed, remove
the external CD/DVD drive and restart the computer. Follow the instructions on the screen to finish
the recovery.
Note: The rest of the recovery process is fully automated and no action from you is required. The
computer will restart into the Microsoft Windows desktop several times and you might experience
periods when no activity is apparent on the screen for several minutes at a time. This is normal.

9. When the recovery process completes, the Welcome to Microsoft Windows screen is displayed. Follow
the instructions on the screen to complete the Windows setup.
10. After you have completed the Windows setup, you might want to restore the original startup sequence.
Start the ThinkPad Setup program and then press F9 to restore the default settings. Press F10 to save
changes and exit the ThinkPad Setup program.
Note: After restoring a drive to the factory default settings, you might need to reinstall some device drivers.
Recovery overview for the Windows 10 operating system

The Windows recovery programs enable you to reset your computer or use advanced startup options.
It is recommended that you create a recovery USB drive as early as possible. Store the recovery USB drive
as a backup or replacement for the Windows recovery programs.
For more information, see “Creating and using a recovery USB drive” on page 31.
Resetting your computer

If your computer does not perform well, you might consider resetting your computer. In the resetting process,
you can choose to keep your files or remove them, and then reinstall the Windows operating system.
To reset your computer, do the following:
Note: The graphical user interface (GUI) items of the operating system might change without notice.
1. Open the Start menu and then click Settings. If Settings is not displayed, click All apps to display all
programs, and then click Settings ➙ Update & security ➙ Recovery.
2. In the Reset this PC section, click Get started.
3. Follow the instructions on the screen to reset your computer.
Using advanced startup options

With advanced startup options, you can change the firmware settings of the computer, change the startup
settings of the Windows operating system, start the computer from an external device, or restore the
Windows operating system from a system image.
To use advanced startup options, do the following:
Note: The GUI items of the operating system might change without notice.
1. Open the Start menu and then click Settings. If Settings is not displayed, click All apps to display all
programs, and then click Settings ➙ Update & security ➙ Recovery.
2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options.
3. Select a desired startup option and follow the instructions on the screen.
Recovering your operating system if Windows 10 fails to start

The Windows recovery environment on your computer is capable of operating independently from the
Windows 10 operating system. This enables you to recover or repair the operating system even if the
Windows 10 operating system fails to start.
After two consecutive failed boot attempts, the Windows recovery environment starts automatically. Then
you can choose repair and recovery options by following the instructions on the screen.
Note: Ensure that your computer is connected to ac power during the recovery process.

Creating and using a recovery USB drive
You can create a recovery USB drive as a backup for the Windows recovery programs. With the recovery
USB drive, you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs
are damaged.
Creating a recovery USB drive

The USB drive that you use to create the recovery USB drive must be at least 16 GB of storage. The actual
USB capacity that is required depends on the size of the recovery image.
Attention: The creation process deletes anything stored on the USB drive. To avoid data loss, make a
backup copy of all the data that you want to keep.
To create a recovery USB drive, do the following:
Note: Ensure that your computer is connected to ac power during the following process.
1. Connect a proper USB drive (at least 16 GB of storage).
2. Type recovery in the search box on the taskbar. Then click Create a recovery drive.
3. Click Yes in the User Account Control window to allow the Recovery Media Creator program to start.
4. In the Recovery Drive window, follow the on-screen instructions to create a recovery USB drive.
Using the recovery USB drive

If you cannot start your computer, use the recovery USB drive to recover your computer.
To use a recovery USB drive, do the following:
Note: Ensure that your computer is connected to ac power.

1. Connect the recovery USB drive to the computer.
2. Turn on or restart the computer. Before the Windows operating system starts, repeatedly press the F12
key. The Boot Menu window opens.
3. Select the recovery USB drive as the boot device.
4. Select a preferred keyboard layout.
5. Click Troubleshoot to display the optional recovery solutions.
6. Select a corresponding recovery solution according to your situation. Then follow the instructions on
the screen to complete the process.
Passwords
As many as three passwords may be needed for any ThinkPad notebook computer: the power-on password,
the hard disk password, and the supervisor password.
If any of these passwords has been set, a prompt for it will be displayed on the screen whenever the
computer is turned on. The computer does not start until the password is entered.
Note: If only a supervisor password is set, the password prompt will not be displayed when the operating
system is started.
Power-on password
A power-on password protects the system from being powered on by an unauthorized person. The
password must be entered before an operating system can be started.
Chapter 4. Related service information 31

To remove the power-on password, do the following:
• If no supervisor password has been set, do the following to remove the power-on password:
2. Remove the built-in batteries. For instructions on how to remove the battery, see “1030 Built-in
battery” on page 63.
3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see “1110
Coin-cell battery” on page 76. Wait for a few seconds.
4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see “1110
Coin-cell battery” on page 76.
5. Reinstall the built-in batteries. For instructions on how to install the battery, see “1030 Built-in
battery” on page 63.
6. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt
does not appear. The power-on password has been removed.
• If a supervisor password has been set and is known to the service technician, do the following to remove
the power-on password:
1. Turn on the computer.
2. When the logo screen is displayed, immediately press F1. Type the supervisor password to enter
the ThinkPad Setup program.
3. Select Security.
4. Select Password.
5. Select Power-On Password.
6. Type the current supervisor password in the Enter Current Password field. Then leave the Enter
New Password field blank, and press Enter twice.
7. In the Changes have been saved window, press Enter.
8. Press F10 to save changes and exit the ThinkPad Setup program.
Hard disk password

There are two kinds of hard disk passwords:
• User hard disk password - for the user
• Master hard disk password - for the system administrator, who can use it to get access to the hard disk
even if the user has changed the user hard disk password
Note: There are two modes for the hard disk password: User only and Master + User. The Master + User
mode requires two hard disk passwords; the system administrator enters both in the same operation. The
system administrator then provides the user hard disk password to the system user.
Attention: If the user hard disk password has been forgotten, check whether a master hard disk password
has been set. If it has, it can be used for access to the hard disk drive. If no master hard disk password is
available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either
the user or the master hard disk password, or to recover data from the hard disk drive. To put the system
back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the
hard disk drive with a scheduled fee.
To remove a user hard disk password that has been forgotten, when the supervisor password and master
hard disk password are known, do the following:
2. When the logo screen is displayed, immediately press F1.

3. When the user hard disk password icon is displayed on the screen, press F1. The master hard disk
password icon is displayed. Enter the master hard disk password.
4. When the supervisor password icon is displayed, enter the supervisor password to enter the ThinkPad
Setup program.
5. Select Security.
6. Select Password.
7. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window opens.
8. Select Master hard disk password.
9. Type the current master hard disk password in the Enter Current Password field. Then leave the Enter
New Password field blank, and press Enter twice.
10. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the
master hard disk password have been removed.
Supervisor password
A supervisor password protects the system information stored in the ThinkPad Setup. The user must enter
the supervisor password in order to get access to the ThinkPad Setup and change the system configuration.
Attention: If the supervisor password has been forgotten and cannot be made available to the service
technician, there is no service procedure to reset the password. The system board must be replaced for
a scheduled fee.
Power management
To reduce power consumption, the computer has three power management modes: screen blank, sleep,
and hibernation.
Screen blank mode (for the Windows 7 operating system only)

If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
To put the computer into screen blank mode, do the following:

1. Right-click the battery gauge on the taskbar.
2. Select Power off display.
To end screen blank mode and resume normal operation, press any key.
Sleep mode
When the computer enters sleep mode, the following events occur in addition to what occurs in screen
blank mode:
• The LCD is powered off.
• The hard disk drive or solid-state drive is powered off.
• The microprocessor stops.
To put your computer into sleep mode, do the following:

• For Windows 7: Open the Start menu, click the arrow next to the Shutdown button, and then click
Sleep from the menu displayed.
• For Windows 10: Open the Start menu, click Power, and then click Sleep.

In certain circumstances, the computer goes into sleep mode automatically:
• After a period of inactivity specified in power plan settings
• When the battery power is low
To cause the computer to return from sleep mode and resume operation, do one of the following:
• Press the Fn key.
• Open the LCD cover.
• Turn on the power button.
Hibernation mode
In hibernation mode, the following occurs:
• The system status, RAM, VRAM, and setup data are stored on the hard disk drive or solid-state drive.
• The system is powered off.
If you have defined one of the following actions as the event that causes the system to go into hibernation
mode, perform that action.
• Closing the lid.
• Pressing the power button.
Also, the computer goes into hibernation mode automatically after a period of inactivity specified in power
plan settings.
When the power is turned on, the computer returns from hibernation mode and resumes operation. The
hibernation file in the boot record on the hard disk drive or solid-state drive is read, and system status is
restored from the hard disk drive or solid-state drive.
Symptom-to-FRU index
This section contains following information:
• “Numeric error codes” on page 35
• “Error messages” on page 36
• “Beep symptoms” on page 36
• “No-beep symptoms” on page 37
• “LCD-related symptoms” on page 37
• “Intermittent problems” on page 37
• “Undetermined problems” on page 38
The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most
likely cause is listed first, in boldface type.
Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or
action, in sequence.” If replacing a FRU does not solve the problem, put the original part back in the
computer. Do not replace a nondefective FRU.
This index can also help you determine, during regular servicing, what FRUs are likely to need to be
replaced next.
A numeric error is displayed for each error detected in POST or system operation. In the displays, n can
be any number.
If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not
described there, go to “Intermittent problems” on page 37.

Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the
manual for that device.
Numeric error codes

Symptom or error FRU or action, in sequence
0177 Replace the system board.
Bad SVP data, stop POST task—The checksum of the
supervisor password in the EEPROM is not correct.
0183 1. Run the ThinkPad Setup program. The settings
Bad CRC of Security Settings in EFI Variable. Enter the will be corrected automatically. Then save the
ThinkPad Setup program. – The checksum of the Security current settings by pressing F10.
settings in the EFI Variable is not correct. 2. Replace the system board.
EAIA data access error—The access to EEPROM is failed.
Invalid RFID Serialization Information Area.
Invalid RFID configuration information area—The
EEPROM checksum is not correct.
0190 1. Charge the battery.
Critical low-battery error 2. Replace the battery.
0191 1. Run the ThinkPad Setup program, and then save
System Security—Invalid Remote Change requested. current setting by pressing F10.
2. Replace the system board.
0199 1. Run the ThinkPad Setup program. The retry count
System Security— Security password retry count will be reset. Then save the current settings by
exceeded. pressing F10.
0270 System Real Time Clock is not functional. Have the
Real Time Clock Error. computer serviced.
0271 Neither the date nor the time is set in the computer.
Check Date and Time settings. Set the date and time, using ThinkPad Setup.
1802 1. Remove network card.
Unauthorized network card is plugged in—Turn off and 2. Replace the system board.
remove the network card.
1820 Remove all but the reader that you set up for the
More than one external fingerprint reader is attached. authentication.
Power off and remove all but the reader that you set up
within your main operating system.
2100 1. Reseat the hard disk drive.
Detection error on HDD0 (Main HDD) 2. Replace the main hard disk drive.
2110 1. Reseat the hard disk drive.
Read error on HDD0 (Main HDD) 2. Replace the main hard disk drive.
Machine Type and Serial Number are invalid.
Machine UUID is invalid

Error messages
Fan error. 1. Replace the fan.
2. Apply thermal grease.
Thermal sensing error. Replace the system board.
The System UEFI Variable Storage is nearly full. Note: This error indicates that the operating system
or applications cannot create, modify, or delete data
in the non-volatile system UEFI variable storage due to
insufficient storage space after POST.
The non-volatile system UEFI variable storage is used
by the UEFI BIOS and by the operating system or
applications. This error occurs when the operating system
or applications store large amounts of data in the variable
storage. All data needed for POST, such as BIOS setup
settings, chipset or platform configuration data, are stored
in a separate UEFI variable storage.
Solution: Enter ThinkPad Setup. A dialog asks the user

for confirmation to clean up the storage. If the user
selects “Yes”, all data that were created by the operating
system or applications are deleted except global variables
defined by the Unified Extensible Firmware Interface
Specification. If the user selects “No”, all data is kept, but
the operating system or applications will not be able to
create, modify, or delete data in the storage.
If this error happens at a service center, Lenovo authorized

service personnel will clean up the non-volatile system
UEFI variable storage using the above solution.
Beep symptoms
Symptom or error Solution
One short beep, pause, three short beeps, pause, three Memory problem. Shut down the computer immediately
more short beeps, pause, and one short beep (1-3-3-1 and have the computer serviced.
beeps)
One long and two short beeps Video problem. Shut down the computer immediately and
have the computer serviced.
Three short beeps, pause, one short beep, pause, one PCI resource problem. Shut down the computer
short beep, pause, and three more short beeps (3-1-1-3 immediately and have the computer serviced.
beeps)
Four cycles of four short beeps TCG*-compliant functionality-related problem (might be
the TPM initialization failure). Shut down the computer
immediately and have the computer serviced.
* TCG is the abbreviation for Trusted Computing Group.
Five short beeps System board problem. Shut down the computer
immediately and have the computer serviced.
Five short beeps, pause, five more short beeps, and TCG-compliant functionality-related problem (might
pause be the BIOS code validation failure). Shut down the
computer immediately and have the computer serviced.

No-beep symptoms
No beep, system-status indicator on, LCD blank, and no 1. Ensure that every connector is connected tightly
POST. and correctly.
2. Reseat memory module.
No beep, system-status indicator on, and LCD blank 1. Reseat memory module.
during POST. 2. Replace the system board.
The power-on password prompt appears. A power-on password or a supervisor password is set.
Type the password and press Enter.
The hard-disk password prompt appears. A hard disk password is set. Type the password and
press Enter.
LCD-related symptoms
Important: The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The
presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT
LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has
two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more
visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced.
Notes:
• This policy applies to all ThinkPad notebook computers purchased on January 1, 2008 or later.
• Lenovo will not provide warranty replacement if the LCD is within specifications because we cannot
guarantee that any replacement LCD will have zero pixel defects.
• One pixel consists of R, G, B sub-pixels.

No beep, system-status indicator on, and a blank LCD Replace the system board.
during POST.
• LCD backlight not working. 1. Reseat the LCD connectors.
• LCD too dark. 2. Replace the LCD assembly.
• LCD brightness cannot be adjusted. 3. Replace the system board.
• LCD contrast cannot be adjusted.
• LCD screen unreadable. 1. See important note for “LCD-related symptoms.”
• Characters missing pixels. 2. Reseat all LCD connectors.
• Screen abnormal. 3. Replace the LCD assembly.
• Wrong color displayed. 4. Replace the system board.
Horizontal or vertical lines displayed on LCD. Replace the LCD assembly.
Intermittent problems
Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware
defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be
considered only when a problem recurs.
When analyzing an intermittent problem, do the following:

1. Run the diagnostic test for the system board in loop mode at least 10 times.
2. If no error is detected, do not replace any FRUs.

3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no
more errors exist.
Undetermined problems
If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed,
or if the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolate
FRUs that have no defects).
Verify that all attached devices are supported by the computer.
Verify that the power supply being used at the time of the failure is operating correctly. See “Power system
checkout” on page 26.
2. Visually check each FRU for damage. Replace any damaged FRU.
3. Remove or disconnect all of the following devices:
a. Non-ThinkPad devices
b. Printer, mouse, and other external devices
c. batteries
d. Internal storage drive
e. External diskette drive or optical drive
f. Memory module
g. M.2 cards
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly

Chapter 5. Status indicators
This chapter helps you locate and identify the various status indicators on your computer.
4
1 2 3
Fn F1 F4
SD
Indicator Indicator behavior and description

1 Fn Lock indicator • Off: The Fn Lock function is disabled. To initiate the special function printed as an
icon on each key, press the function key directly. To input F1- F12, press the Fn
key and the corresponding function key.
• On: The Fn Lock function is enabled. To input F1- F12, press the function keys
directly. To initiate the special function printed as an icon on each key, press the Fn
key and the corresponding function key.
2 Speaker-mute indicator On: The speakers are muted.
3 Microphone-mute On: The microphones are muted.
indicator
4 Camera-status indicator On: The camera is in use.
5 6 System-status • Blinking three times: The computer is initially connected to power.
indicators • On: The computer is in use.
• Off: The computer is off or in hibernation mode.
• Slow-blinking: The computer is in sleep mode.
• Fast-blinking: The computer is entering sleep or hibernation mode.

Chapter 6. Function keys and combinations
The following table describes the functions of function keys and key combinations.
Function keys and Description

key combinations
Mutes or unmutes the speakers.
If you mute the sound and turn off your computer, the sound will remain muted when you
turn on your computer again. To turn on the sound, press the volume-down key or
volume-up key .
Decreases the speaker volume.
Increases the speaker volume.
Mutes or unmutes the microphones.
Darkens the computer display.
Brightens the computer display.
Manages the external displays.
Enables or disables the wireless features.
• For Windows 7: Opens Control Panel.

• For Windows 10: Opens the Settings window.
• For Windows 7: Opens Windows Search.
• For Windows 10: Opens the Cortana® search box.
Views all the programs that you have opened.
• For Windows 7: Opens Computer.

• For Windows 10: Views all the programs.
You can configure the Fn key and function keys in the Keyboard Properties window by
+ doing the following:
1. Go to Control Panel. Change the view of Control Panel from Category to Large icons
or Small icons.
2. Click Keyboard. In the Keyboard Properties window, click the ThinkPad F1-F12 keys or
Fn and function keys tab.
3. Select the option of your preference:
Press Fn+Esc to enable or disable the Fn Lock function.

• When the Fn Lock function is disabled: The Fn Lock indicator is off. To initiate the special
function printed as an icon on each key, press the function key directly. To input F1-F12,
press the Fn key and the corresponding function key.
• When the Fn Lock function is enabled: The Fn Lock indicator turns on. To input F1-F12,
press the function keys directly. To initiate the special function printed as an icon on each
key, press the Fn key and the corresponding function key.

Function keys and Description
key combinations
Fn+Spacebar Controls the keyboard backlight.
There are three modes for the keyboard backlight: Off, Low, and High. Press Fn+Spacebar to
change the mode of the keyboard backlight.
Fn+B Has the same function as the Break key on a conventional keyboard.
Fn+P Has the same function as the Pause key on a conventional keyboard.
Fn+S Has the same function as the SysRq key on a conventional keyboard.
Fn+K Has the same function as the ScrLK key on a conventional keyboard.
Fn+End Has the same function as the Insert key on a conventional keyboard.
Fn+4 Puts your computer into sleep mode. To return to normal operation, press the Fn key only.

Chapter 7. Locations
This chapter introduces the locations of the hardware components on your computer.
Locating computer controls, connectors, and indicators

This topic introduces the locations of the computer controls, connectors, and indicators.
Front view
2
1
2
13
3
12
11
10 4
6
SD
7
8
9
1 Camera (available on some models) 2 Microphones (available on some models)
3 Power button 4 Security-lock slot
5 Ethernet connector 6 Micro-SIM-card tray (available on some models)
7 Media-card slot 8 Always On USB 3.0 connector
9 Audio connector 10 Fingerprint reader (available on some models)
11 TrackPoint® pointing stick 12 Trackpad
13 TrackPoint buttons

Left-side view
1
2
3
4
5
6
1 Power connector 2 Fan louvers
3 HDMI™ connector 4 Mini DisplayPort® connector
5 USB 3.0 connectors 6 Smart-card reader slot (available on some models)
Bottom view
1
4
2
3
1 Emergency-reset hole 2 Removable battery
3 Docking station connector 4 Speakers
Locating FRUs and CRUs

This topic introduces the following service parts:
• “Major FRUs” on page 46

• “LCD FRUs” on page 48
• “Miscellaneous parts” on page 49
Notes:
• Each FRU is available for all types or models, unless otherwise specified.
• CRU statement for customers:
You can resolve some problems with your product with a replacement part you can install yourself, called a
“Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are
designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-service
CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according
to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU
information and replacement instructions are shipped with your product and are available from Lenovo at any time
upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic
version of this manual can be found at http://www.lenovo.com/support. Click Guides & Manuals and then follow
the on-screen instructions to find the manual for your product. You might be required to return the defective part
that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a
container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if
Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See your
Lenovo Limited Warranty documentation for full details.
ThinkPad computers contain the following types of CRUs:
– Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of
CRUs include the ac power adapter and power cord. Other self-service CRUs depending on product design
might include the memory module, wireless card, keyboard, and palm rest with fingerprint reader and trackpad.
– Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access
panel that is typically secured by more than two screws. Once the access panel is removed, the specific
CRU is visible.
Chapter 7. Locations 45
Major FRUs
1
27
26
2
25
e
3
24 a
4
23
5
b
22
21
20 7
8
19 9
10
18 11
d c
12
13
17 14
16 15
No. FRU descriptions Self-service Optional-service

CRU CRU
1 LCD unit (see “LCD FRUs” on page 48) No No
2 Keyboard spacer No No
3 Keyboard bezel assembly (with or without fingerprint reader) No No
4 Power-button card No No
5 Micro-SIM-card tray (available on some models) No No
6 System board No No

CRU CRU
7 Wireless-LAN card or Wireless Gigabit (WiGig) module Yes No
8 Wireless-WAN card (available on some models) Yes No
9 Speaker assembly No No
10 Internal storage drive (hard disk drive or solid-state drive) Yes No
11 Internal-storage-drive cable No Yes
12 Removable battery Yes No
13 Base cover assembly Yes No
14 Lenovo factory recovery USB key* No No
15 Lenovo recovery disc set* No No
16 Power cord Yes No
17 ac power adapter Yes No
18 Smart-card reader (available on some models) No No
19 Flexible printed circuits (FPC) for smart-card reader (available No No
on some models)
20 Built-in battery No No
21 Coin-cell battery No No
22 Memory module Yes No
23 Thermal fan assembly No No
24 FPC for trackpad (with or without fingerprint reader) No No
25 dc-in cable assembly No Yes
26 Keyboard No No
27 TrackPoint cap No No
a–e Miscellaneous parts (see “Miscellaneous parts” on page 49) No No
Note: The Lenovo factory recovery USB key 14 and the Lenovo recovery disc set 15 are used to restore the
Microsoft Windows operating system. They might not come with the computer, and a user might order them from
http://www.lenovo.com/lenovorecovery, though additional shipping and handling fees might apply.
LCD FRUs
8
7
4a
4b

CRU CRU
1 LCD bezel No No
2 Camera/microphone module No No
3 Camera cable No No
4a Wireless-LAN/WAN antenna assembly (with the wireless-WAN No No
antenna assembly available on some models)1
4b Wireless-LAN/WiGig antenna assembly1 No No
5 LCD rear-cover assembly No No
6 LCD cable No No
7 LCD panel No No
8 LCD hinges No No
1: The wireless-LAN/WAN antenna assembly is available on computer models with the wireless-LAN feature or
wireless-LAN/WAN feature; and the wireless-LAN/WiGig antenna assembly is available on computer models with the
wireless-LAN feature and WiGig feature.

Miscellaneous parts
FRU descriptions Self-service CRU Optional-service
CRU
System miscellaneous kit: No No
• b Antenna cable guide
• c Bracket for the internal-storage-drive cable
• Microphone rubber for camera model
• Microphone rubber for non-camera model
Screw and tape kit: No No
• Screw for hinges, M2.5*L2.2 (8)
• Screw, M2*L2 (4)
• Screw, M2*L2.7 (24)
• Screw, M2.5*4, flat head (4)
• Screw, M2*L4 (18)
• Step screw, M2*L2.3 (8)
• Screw, M2.5*L4, flat head (4)
• Screw, M2*L3.2 (4)
• Screw, M2*L3.5, silver, small head (18)
• Illustration sheet for antenna
• Tape for fixing cable
a Hinge bracket (available in the keyboard bezel assembly kit) No No
d Smart-card-reader bracket (available in the keyboard bezel assembly kit) No No
e dc-in bracket (available in the keyboard bezel assembly kit) No No
Connector and cable guide

This section provides information to help Lenovo-authorized service technicians identify connectors and
cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major
FRUs” on page 46 and “LCD FRUs” on page 48.
Note: Depending on the computer model, some connectors or cables might not be available.
System board connectors and cables

1 2 3 4 5 6 7 8 9 10 11
26
25
24
12
23
13
22 14
15
16
21 20 19 18 17
No. Connector/location Internal cable

1 Memory module slot (internal) None, with the memory module directly connecting
to the system board
2 Coin-cell battery connector (internal) Coin-cell battery with cable
3 6 Keyboard connectors (internal) Keyboard assembly with cables
4 Smart-card-reader connector (internal) FPC for smart-card reader, connecting the
smart-card reader to the system board
5 Speaker connector (internal) Speaker assembly with cable
7 Trackpad connector (internal) FPC for trackpad, connecting the trackpad to the
system board
8 Built-in-battery connector (internal) Built-in battery assembly with cable
9 Wireless-LAN card or WiGig module slot (internal) None, with the wireless-LAN card or WiGig module
directly connecting to the system board
10 Internal-storage-drive connector (internal) Internal-storage-drive cable, connecting the internal
storage drive to the system board
11 Wireless-WAN card slot (internal) None, with the wireless-WAN card directly connecting
to the system board
12 Audio connector (right side) None. Integrated.
13 Always On USB 3.0 connector (right side) None. Integrated.
14 Micro-SIM-card reader (right side) None. Integrated.
15 Media-card reader (right side) None. Integrated.
16 Ethernet connector (right side) None. Integrated.
17 Camera/microphone module connector (internal) Camera cable, connecting the camera/microphone
module, the power-button card, and the ThinkPad
logo LED (on the A-cover) to the system board
18 Removable-battery connector (internal) None, with the removable battery directly connecting
to the system board
19 Docking station connector (bottom) None. Integrated.
20 LCD connector (internal) LCD cable, connecting the LCD unit to the system
board
21 ac power connector (left side) None. Integrated.
22 Thermal fan connector (internal) Thermal fan assembly with cable
23 HDMI connector (left side) None. Integrated.
24 Mini DisplayPort connector (left side) None. Integrated.
25 26 USB 3.0 connectors (left side) None. Integrated.
Camera/microphone module connector and cable

1

1 Camera/microphone module connector (internal) Camera cable, connecting the camera/microphone
module, the power-button card, and the ThinkPad
logo LED (on the A-cover) to the system board

Keyboard bezel assembly connector and cable

1 Trackpad connector (internal) FPC for trackpad, connecting the trackpad to the
system board
Smart-card reader connector and cable

1 Smart-card reader connector (internal) FPC for smart-card reader, connecting the smart-card
reader to the system board
Wireless-LAN card connectors and cables

1 2
1 Wireless-LAN antenna connector (internal) Wireless-LAN antenna assembly with cable (gray),
connecting the main wireless-LAN antenna to the
wireless-LAN card
2 Wireless-LAN antenna connector (internal) Wireless-LAN antenna assembly with cable (black),
connecting the auxiliary wireless-LAN antenna to the
wireless-LAN card
WiGig module connectors and cables

1 2 3

1 WiGig antenna connector (internal) WiGig antenna assembly with cable (white),
connecting the WiGig antenna to the WiGig module
2 Wireless-LAN antenna connector (internal) Wireless-LAN antenna assembly with cable (gray),
connecting the main wireless-LAN antenna to the
wireless-LAN card
3 Wireless-LAN antenna connector (internal) Wireless-LAN antenna assembly with cable (black),
connecting the auxiliary wireless-LAN antenna to the
wireless-LAN card
Wireless-WAN card connectors and cables

1 2

1 Wireless-WAN antenna connector (internal) Wireless-WAN antenna assembly with cable (orange),
connecting the main wireless-WAN antenna to the
wireless-WAN card
2 Wireless-WAN antenna connector (internal) Wireless-WAN antenna assembly with cable (blue),
connecting the auxiliary wireless-WAN antenna to
the wireless-WAN card
Power-button card connector and cable

1

1 Power-button card connector (internal) Camera cable, connecting the power-button card to
the system board, the ThinkPad logo LED (on the
A-cover), and the camera/microphone module
Looking up FRU information

For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to:
Chapter 8. FRU replacement notices
This chapter presents notices related to removing and replacing parts. Read this chapter carefully before
replacing any FRU.
CRU statement for customers:

You can resolve some problems with your product with a replacement part you can install yourself, called
a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others
are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For
optional-service CRUs, you can either install the CRU yourself or you can request that a Service Provider
install the CRU according to the warranty service for your product. If you intend on installing the CRU,
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your
product and are available from Lenovo at any time upon request. You can find a list of CRUs for your
product in this Hardware Maintenance Manual. An electronic version of this manual can be found at
http://www.lenovo.com/support. Click Guides & Manuals and then follow the on-screen instructions to find
the manual for your product. You might be required to return the defective part that is replaced by the CRU.
When return is required: (1) return instructions, a prepaid shipping label, and a container will be included
with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not
receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See your Lenovo
Limited Warranty documentation for full details.
Screw notices
Loose screws can cause a reliability problem. In the ThinkPad notebook computer, this problem is addressed
with special nylon-coated screws that have the following characteristics:
• They maintain tight connections.
• They do not easily come loose, even with shock or vibration.
• They are harder to tighten.
Do the following when you service this machine:

• Keep the screw kit in your tool bag. For the part number of the screw kit, go to:
• It is recommended to use new screws.
• It is recommended to use each screw only once.
Tighten screws as follows:

• Plastic to plastic
Turn an additional 90 degrees after the screw head touches the surface of the plastic part.
90 degrees more
(Cross-section)
• Logic card to plastic

Turn an additional 180 degrees after the screw head touches the surface of the logic card.

180 degrees more
(Cross-section)
Notes:
• Ensure that you use the correct screw. It is recommended to use new screws for replacements. If you
have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information
table for each step.
• Ensure that torque screwdrivers are calibrated correctly following country specifications.
Retaining serial numbers

This section includes the following descriptions:
• “Restoring the serial number of the system unit” on page 56
• “Retaining the UUID” on page 57
Restoring the serial number of the system unit

When the computer was manufactured, the EEPROM on the system board was loaded with the serial
numbers of the system and all major components. These numbers need to remain the same throughout
the life of the computer.
If you replace the system board, you must restore the serial number of the system unit to its original value.
The serial number of the system unit is written on the label attached to the bottom of the computer.
If you cannot find the serial number of the system unit on the bottom of the computer, try the following
method to get the number:
Note: Before you perform the operation, ensure that the UEFI/Legacy setting within the Startup menu in
the ThinkPad Setup program is set to UEFI Only.
1. Connect a USB memory key to the computer.
2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a
Maintenance Key.
Note: Only an authorized Lenovo service technician can access the above Web site.
4. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is
displayed.
5. Type 1 under Enter the action desired and press Enter. The ThinkPad Serial Number Update Utility for
Asset ID screen is displayed.
6. Type 2 under Enter the action desired and press Enter. The serial number of each device in your
computer is displayed; the serial number of the system unit is listed as follows:
20- Serial number
7. Record the serial number of the system unit.
After you replace the system board, do the following to restore the serial number of the system unit:
1. Connect the Maintenance Key to the computer.

2. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is
displayed.
3. Type 1 under Enter the action desired and press Enter. The ThinkPad Serial Number Update Utility for
Asset ID screen is displayed.
4. Type 1 under Enter the action desired and press Enter. Then follow the instructions on the screen
to restore the serial number of the system unit.
Retaining the UUID

The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at
production and stored in the EEPROM of your system board.
The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two
computers in the world have the same number.
When you replace the system board, perform the following steps to create a new UUID for the system
board if the system board does not have a UUID:
Note: Before you perform the operation, ensure that the UEFI/Legacy setting within the Startup menu in
the ThinkPad Setup program is set to UEFI Only.
1. Connect a USB memory key to the computer.
2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a
Maintenance key.
Note: Only an authorized Lenovo service technician can access the above Web site.
4. When the logo screen is displayed, press Esc. The ThinkPad Config Information Update Utility interface
is displayed.
5. Type 2 under Enter the action desired and press Enter. The Auto UUID generation utility interface is
displayed.
6. Type y under Change UUID. OK? [Y/N] and press Enter. A new UUID is created and written. If a
valid UUID already exists, it is not overwritten.
Reading or writing the ECA information

Information on Engineering Change Announcements (ECA) is stored in the EEPROM of the system board.
The electronic storage of this information simplifies the procedure to check if the ECA has been previously
applied to a machine. The machine does not need to be disassembled to check for the ECA application.
To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write
function on the LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key.
1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key,
and then restart the computer.
2. From the main menu, select 6. Set ECA Information.
3. To read the ECA information, select 2. Read ECA/rework number from EEPROM and follow the
instructions on the screen. To read the box build date, select 5. Read box build date from EEPROM,
and follow the instruction on the screen.
After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's
application. Use the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance
Key to update the EEPROM.
Note: Only the ECA number is stored in the EEPROM. The machine type of the ECA is assumed to be the
same as the machine type of the machine that had the ECA applied to it.
Chapter 8. FRU replacement notices 57

1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key,
and then restart the computer.
2. From the main menu, select 6. Set ECA Information.
3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the
instructions on the screen. To write the box build date, select 4. Write box build date from EEPROM,
and follow the instruction on the screen.
If the system board is being replaced, try to read the ECA information from the old system board and transfer
the information to the new system. If the system board is inoperable, this will not be possible.

Chapter 9. Removing or replacing a FRU
This chapter provides instructions on how to remove or replace a FRU.
CRU statement for customers:

You can resolve some problems with your product with a replacement part you can install yourself, called
a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others
are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For
optional-service CRUs, you can either install the CRU yourself or you can request that a Service Provider
install the CRU according to the warranty service for your product. If you intend on installing the CRU,
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your
product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product
in this Hardware Maintenance Manual. An electronic version of this manual is available for downloading at
http://www.lenovo.com/support. You might be required to return the defective CRU. When return is required:
(1) return instructions, a prepaid shipping label, and a container will be included with the replacement
CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective
part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty
documentation for full details.
General guidelines
When removing or replacing a FRU, be sure to observe the following general guidelines:
1. Do not try to service any computer unless you have been trained and certified. An untrained person runs
the risk of damaging parts.
2. Before replacing any FRU, review Chapter 8 “FRU replacement notices” on page 55.
3. Begin by removing any FRUs that have to be removed before replacing the failing FRU. Any such FRUs
are listed at the beginning of each FRU replacement section. Remove them in the order in which they
are listed.
4. Follow the correct sequence in the steps for removing a FRU, as given in the drawings by the numbers
in square callouts.
5. When turning a screw, turn it in the direction as given by the arrow in the drawing.
6. When removing a FRU, move it in the direction as given by the arrow in the drawing.
7. To put the new FRU in place, reverse the removal procedure and follow any notes that pertain to
replacement.
8. When replacing a FRU, use the correct screws as shown in the replacement procedures.
DANGER
Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets,
remove the battery, and then disconnect any interconnecting cables.
Attention:
• After replacing a FRU, do not turn on the computer until you have made sure that all screws, springs, and
other small parts are in place and none are loose inside the computer. Verify this by shaking the computer
gently and listening for rattling sounds. Metallic parts or metal flakes can cause electrical short circuits.
• The system board is sensitive to, and can be damaged by, electrostatic discharge (ESD). Before touching
it, establish personal grounding by touching a ground point with one hand or by using an electrostatic
discharge strap.

Before servicing the computer
Carefully read this topic before servicing the computer.
Disabling the built-in battery

Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following:
1. Turn off the computer and disconnect the ac power adapter and all cables from the computer.
2. Turn on the computer. When the logo screen is displayed, press F1 continuously to enter the ThinkPad
Setup program.
3. Select Config ➙ Power. The Power submenu is displayed.
4. Select Disable built-in battery.
5. Click Yes in the Setup Warning window, and then the computer turns off automatically. Wait three to
five minutes to let the computer cool.
The battery will be automatically enabled when the ac power adapter is reconnected to the computer.
Removing the micro-SIM-card tray

Before you start the servicing, remove installed micro-SIM card (or dummy micro-SIM card) and the
micro-SIM-card tray from the computer.
After you finish the servicing, ensure that you install the micro-SIM-card tray with the micro-SIM card
back into the computer.

1010 Removable battery
Important notice for replacing a removable battery
The Lenovo Solution Center program provides an automatic battery diagnostic test that determines if the
battery is defective. A battery FRU should not be replaced unless this diagnostic test shows that the battery
is defective. The only exception to this is if the battery is physically damaged or a customer is reporting a
possible safety issue.
If the Lenovo Solution Center program is not installed on the computer, the customer should download and
install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note
that the replacement of a physically damaged battery is not covered by the warranty.
Removal steps of the removable battery
DANGER
Use only the authorized battery specified for your computer. Any other battery could ignite or
explode.
Chapter 9. Removing or replacing a FRU 61

1020 Base cover assembly
For access, remove this FRU:
• “1010 Removable battery” on page 61
Note: Depending on the model, your computer might look slightly different from the illustrations in this topic.
Removal steps of the base cover assembly

2 2
2
2 2
2
2
2
2
1 2
2
2
2 2
Applying labels to the base cover assembly
The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when
you replace the base cover. For the labels that are not shipped with the new base cover, peel them from the
old base cover, and adhere them to the new one.

The following illustration shows the location of each label.
1 2 3 4
15
14
13 5
12 11 10 9 8 7 6
1 GEO label 2 S/N label
3 Taiwan WWAN label 4 Asset tag
5 Genuine Microsoft label (for Windows 10) 6 Certificate of Authentication (COA) label (for Windows
7)
7 Indonesia postel label 8 MCMC label for Malaysia
9 Indonesia rating label 10 Israel Homologation label
11 Brazil Anatel label 12 ICASA label
13 BIS label 14 China GEO label
15 IMEI label
1030 Built-in battery

For access, remove these FRUs in order:
• “1020 Base cover assembly” on page 62
Important notices for replacing a battery
The Lenovo Solution Center program provides an automatic battery diagnostic test that determines if the
battery is defective. A battery FRU should not be replaced unless this diagnostic test shows that the battery
is defective. The only exception to this is if the battery is physically damaged or a customer is reporting a
possible safety issue.
If the Lenovo Solution Center program is not installed on the computer, the customer should download and
install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note
that the replacement of a physically damaged battery is not covered by the warranty.

DANGER
explode.
Removal steps of the built-in battery
1
1
To disconnect the battery connector in step 2 , use one finger to slightly hold the connector. Then use the
other hand to hold the battery cable and pull it out horizontally.
Attention: When connecting the battery cable, align the battery cable with the battery connector first.
Then insert the battery cable straight into the battery connector horizontally. Otherwise, the battery cable
might be damaged.
Step Screw (quantity) Color Torque

1 M2 × 3 mm, small-head, nylon-coated (3) Silver 0.181 Nm
(1.85 kgf-cm)
1040 Memory module


Removal steps of the memory module
1 1
When installing:
Insert the notched end of the memory module into the memory slot at an angle of about 20 degrees. Press
the memory module in firmly, and pivot it downward until it snaps into place. Ensure that the memory
module is firmly seated in the slot and does not move easily.
1050 Internal storage drive and drive cable

Attention:
• Do not drop the internal storage drive or apply any physical shock to it. The internal storage drive is
sensitive to physical shock. Improper handling can cause damage and permanent loss of data.
• Before removing the internal storage drive, have the user make a backup copy of all the information
on it if possible.
• Never remove the internal storage drive while the system is operating or in suspend mode.
Removal steps of the internal storage drive and drive cable

1 M2 × 4 mm, flat-head, nylon-coated (1) Black 0.181 Nm
(1.85 kgf-cm)
2 M2 × 2.7 mm, flat-head, nylon-coated (1) Black 0.181 Nm
(1.85 kgf-cm)

6
When installing:
Ensure that the internal storage drive is firmly attached.
1060 Wireless-LAN card or WiGig module


Removal steps of the wireless-LAN card
2
1
In step 1 , disconnect the connectors by using the removal tool for the antenna RF connector or pick off the
connectors in the direction as shown by using your fingers.

(1.85 kgf-cm)
3
1
When installing:
Plug the gray cable into the main connector and the black cable into the auxiliary connector on the card.

Removal steps of the WiGig module
2
1
1
In step 1 , disconnect the connectors by using the removal tool for the antenna RF connector or pick off the
connectors in the direction as shown by using your fingers.

(1.85 kgf-cm)
When installing:
Plug the gray cable into the main connector, the black cable into the auxiliary connector, and the white cable
into the WiGig connector on the module.
1070 Wireless-WAN card (available on some models)


Removal steps of the wireless-WAN card
2
1 1

(1.85 kgf-cm)
3
1
1080 Thermal fan assembly


Removal steps of the thermal fan assembly
1. Loosen the screws 1 in ascending alphabetical order ( a to d ) as illustrated.
1b
1c
1d
1a
2. Release the cables from the cable holder on the thermal fan assembly.
3. Remove the thermal fan assembly.

When installing:
• Always wear fingerstalls when handling the thermal fan assembly. Do not touch or hold any part of the
thermal fan assembly with bare fingers.
• Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2
grams, on the part marked a in the following illustration. Either too much or too less application of grease
can cause a thermal problem due to imperfect contact with a component. If a thermal fan assembly needs
to be reused, remove and reapply thermal grease.
• Do not touch the thermal grease.

• Do not press, touch, or rotate the fan impeller.
• Do not touch the fan inlet hole.
• Do not twist or pull the cable of the thermal fan assembly.
• Do not apply pressure on the top and bottom covers of the thermal fan assembly.
• Do not press the heat pipe. Hold both sides of the heat pipe if you need to take the thermal fan assembly.
• Do not shake or drop the thermal fan assembly.
• Ensure that the fan connector is attached firmly.
• Replace the thermal fan assembly if you observe the following:
– The cover of the thermal fan assembly is deformed or damaged.
– There is abnormal noise during rotation.
1090 dc-in cable assembly


Removal steps of the dc-in cable assembly

(1.85 kgf-cm)
1100 System board

Important notices for handling the system board
When handling the system board, observe the following:

• The system board has an accelerometer, which can be broken when several thousands of G-forces
are applied.
Note: Dropping a system board from a height of as little as 15 cm (6 inches) so that it falls flat on a hard
bench can subject the accelerometer to as much as 6000 G's of shock.
• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or
composite.
• Avoid rough handling of any kind.
• At every point in the process, be sure not to drop or stack the system board.

• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a
corrugated conductive material.

• “1030 Built-in battery” on page 63
• “1040 Memory module” on page 64
• “1050 Internal storage drive and drive cable” on page 65
• “1060 Wireless-LAN card or WiGig module” on page 67
• “1070 Wireless-WAN card (available on some models)” on page 69
• “1080 Thermal fan assembly” on page 70
Removal steps of the system board

1
1

1 M2 × 2.3 mm, big head, nylon-coated (2) Black 0.181 Nm
(1.85 kgf-cm)

3
10
11
9
12
7
8
6
13 13
14
14
14
14
13
13
13
15

16
18
16
17

(1.85 kgf-cm)
(1.85 kgf-cm)
When installing:
Ensure that the connectors are attached firmly.
The following component soldered on the top side of the system board is extremely sensitive. When you
service the system board, avoid any kind of rough handling.
a Microprocessor
1110 Coin-cell battery

• “1100 System board” on page 73

DANGER
explode.
Removal steps of the coin-cell battery
When installing:
Ensure that the coin-cell battery connector is attached firmly.
1120 Speaker assembly


Removal steps of the speaker assembly

1 M2 × 2.3 mm, big head, nylon-coated (2) Black 0.181 Nm
(1.85 kgf-cm)
When installing:
Ensure that the connector is attached firmly.
1130 Smart-card reader assembly (available on some models)

• “1120 Speaker assembly” on page 77

Removal steps of the smart-card reader assembly
3
1
2
1

1 M2 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm
(1.85 kgf-cm)
When installing:

1140 LCD unit
Removal steps of the LCD unit
3
2
8
7
6
5 5

10 10 10
10 10
10

10 M2 × 4 mm, flat-head, nylon-coated (6) Silver 0.181 Nm
(1.85 kgf-cm)
11
7
13
12
7 13

7
14
When installing:
• Ensure that the connectors are attached firmly.
• Ensure that you correctly route and secure the cables.
Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause
the cables to be damaged by the cable guides, or a wire to be broken.
1150 Power-button card

Removal steps of the power-button card

1
1
2
2 3

1 M2.5 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm
(1.85 kgf-cm)
(1.85 kgf-cm)
When installing:
1160 Keyboard assembly

• “1110 Coin-cell battery” on page 76
• “1120 Speaker assembly” on page 77
• “1140 LCD unit” on page 80
Removal steps of the keyboard assembly

1
1
2
1
1 1

(1.85 kgf-cm)
3
3
4
9
8
9 8
8
8
10

(1.85 kgf-cm)
(1.85 kgf-cm)
2010 LCD bezel

Removal steps of the LCD bezel

1 1
1 1
1
1
2020 LCD hinges, LCD panel, and LCD cable

• “2010 LCD bezel” on page 85

Removal steps of the LCD hinges
1
1
1
1

1 M2.5 × 2.2 mm, big-head, nylon-coated (4) Black 0.181 Nm
(1.85 kgf-cm)
Removal steps of the LCD panel and LCD cable

5
0
3
When installing: Ensure that the LCD connector is attached firmly.
2030 Camera/microphone module and camera cable (available on some

models)
• “2020 LCD hinges, LCD panel, and LCD cable” on page 85

Removal steps of the camera/microphone module and camera cable

3 3
2040 Wireless-LAN/Wireless-WAN/WiGig antenna assembly and LCD

rear-cover assembly
• “2020 LCD hinges, LCD panel, and LCD cable” on page 85
• “2030 Camera/microphone module and camera cable (available on some models)” on page 87

Removal steps of the wireless-LAN/Wireless-WAN/WiGig antenna assembly
For computer models with the wireless-LAN feature or wireless-LAN/WAN feature:
1
1 1 1
2
2
2
2

Cable routing:
When you install the antenna assembly and camera cable, route the camera cable in the cable holder
and the antenna cable outside the cable holder.
Antenna locations:
a b c d
a Wireless-LAN auxiliary antenna (black) b Wireless-WAN auxiliary antenna (blue, available on

some models)
c Wireless-WAN main antenna (orange, available on d Wireless-LAN main antenna (gray)
some models)

For computer models with the wireless-LAN feature and WiGig feature:
1 1
2
2
1
2
2

Cable routing:
When you install the antenna assembly and camera cable, route the camera cable in the cable holder
and the antenna cable outside the cable holder.
Antenna locations:
a b c
a Wireless-LAN auxiliary antenna (black) b WiGig antenna (white)
c Wireless-LAN main antenna (gray)

Appendix A. Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult
your local Lenovo representative for information on the products and services currently available in your
area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that
Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service
that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user’s
responsibility to evaluate and verify the operation of any other product, program, or service.
Lenovo may have patents or pending patent applications covering subject matter described in this
document. The furnishing of this document does not give you any license to these patents. You can send
license inquiries, in writing, to:
Lenovo (United States), Inc.
1009 Think Place - Building One
Morrisville, NC 27560
U.S.A.
Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow
disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply
to you.
This information could include technical inaccuracies or typographical errors. Changes are periodically
made to the information herein; these changes will be incorporated in new editions of the publication.
Lenovo may make improvements and/or changes in the product(s) and/or the program(s) described in this
publication at any time without notice.
The products described in this document are not intended for use in implantation or other life support
applications where malfunction may result in injury or death to persons. The information contained in this
document does not affect or change Lenovo product specifications or warranties. Nothing in this document
shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo
or third parties. All information contained in this document was obtained in specific environments and is
presented as an illustration. The result obtained in other operating environments may vary.
Lenovo may use or distribute any of the information you supply in any way it believes appropriate without
incurring any obligation to you.
Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in
any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of
the materials for this Lenovo product, and use of those Web sites is at your own risk.
Any performance data contained herein was determined in a controlled environment. Therefore, the result
obtained in other operating environments may vary significantly. Some measurements may have been
made on development-level systems and there is no guarantee that these measurements will be the same
on generally available systems. Furthermore, some measurements may have been estimated through
extrapolation. Actual results may vary. Users of this document should verify the applicable data for their
specific environment.

Trademarks
The following terms are trademarks of Lenovo in the United States, other countries or both:
Lenovo
Lenovo logo
ThinkPad
ThinkPad logo
TrackPoint
Mini DisplayPort (mDP) is a Trademark of the Video Electronics Standards Association.
Microsoft, Windows, Windows Server, and Cortana are trademarks of the Microsoft group of companies.
Other company, product, or service names may be the trademarks or service marks of others.

Appendix B. Abbreviation and acronym table
The following table lists some abbreviations and acronyms that might be used in this manual.
Abbreviation Term
3G third generation of mobile telecommunications technology
BGA Ball Grid Array
BIOS basic input/output system
CMOS complementary metal-oxide semiconductor
COA Certificate of Authentication
CRC cyclic redundancy check
CRT cathode ray tube
CRU customer-replaceable unit
CTO Configure To Order
EAIA Enhanced Asset Information Area
ECA Engineering Change Announcements
EEPROM Electrically Erasable Programmable Read-Only Memory
EFI Extensible Firmware Interface
EPO emergency power-off
ESD electrostatic discharge
EU European Union
FCC Federal Communications Commission
FRU Field Replaceable Unit
GAV General Announce Variant
GPU graphics processing unit
HDD hard disk drive
HDMI high-definition multimedia interface
ICs integrated circuits
ICCID integrate circuit card identity
ISO International Standardization Organization
LAN local area network
LCD liquid crystal display
MAC media access control
MT machine type
MTM machine type and model
PC personal computer
PCH Platform Controller Hub
POST power-on self-test
RAM random-access memory

Abbreviation Term
RF radio frequency
RFID radio-frequency identification
RI ring indicator
RJ registered jack
SATA Serial Advanced Technology Attachment
SIM subscriber identity module
SVP supervisor password
TFTs thin-film transistors
UEFI Unified Extensible Firmware Interface
USB Universal Serial Bus
UUID universally unique identifier
VGA video graphics array
VRAM video random-access memory
WAN wide area network

Part Number: SP40J72016_01
Printed in
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ThinkPad X260 Hardware Maintenance Manual

Second Edition (January 2016)

About this manual. . . . . . . . . . . iii Power-on password . . . . . . . . . . . 31

© Copyright Lenovo 2015, 2016 i

ii ThinkPad X260 Hardware Maintenance Manual

ThinkPad X260 Machine types (MT): 20F5 and 20F6

© Copyright Lenovo 2015, 2016 iii

Attention: Metal objects are good electrical conductors.

© Copyright Lenovo 2015, 2016 1

Safety inspection guide

2 ThinkPad X260 Hardware Maintenance Manual

Handling devices that are sensitive to electrostatic discharge

When handling ESD-sensitive parts:

Chapter 1. Safety information 3

Safety notices (multilingual translations)

4 ThinkPad X260 Hardware Maintenance Manual

Chapter 1. Safety information 5

Chapter 1. Safety information 7

8 ThinkPad X260 Hardware Maintenance Manual

Chapter 1. Safety information 9

10 ThinkPad X260 Hardware Maintenance Manual

Chapter 1. Safety information 11

Strategy for replacing FRUs

To download software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers and

Strategy for replacing a hard disk drive or a solid-state drive

© Copyright Lenovo 2015, 2016 19

Attention: When handling a system board:

How to use error message

Dynamic Configure To Order (CTO) model

To identify the major FRUs for a product, do the following:

20 ThinkPad X260 Hardware Maintenance Manual

To get the general FRU list for a product, do the following:

Chapter 2. Important service information 21

© Copyright Lenovo 2015, 2016 23

The following are not covered under warranty:

The following symptoms might indicate damage caused by nonwarranted activities:

Lenovo Solution Center

The Lenovo Solution Center program is available for download at:

Quick test programs

Lenovo provides the following quick test programs:

24 ThinkPad X260 Hardware Maintenance Manual

To run a test using quick test program, do the following:

UEFI diagnostic program

To run the UEFI diagnostic program, do the following:

Bootable diagnostic programs

To create a bootable diagnostic medium, do the following:

Chapter 3. General checkout 25

Power system checkout

Checking the ac power adapter

To check the ac power adapter, do the following:

26 ThinkPad X260 Hardware Maintenance Manual

Checking operational charging

Checking the removable battery

To check the battery, do the following:

Chapter 3. General checkout 27

Checking the coin-cell battery

Wire Voltage (V dc)

• If the voltage is correct, replace the system board.

28 ThinkPad X260 Hardware Maintenance Manual