Fix 100% Disk Usage Win 10
Fix 100% Disk Usage Win 10
Fix 100% Disk Usage Win 10
Symptoms
10 Fixes for 100% Disk Usage on Windows 10 Task Manager
Summary
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Summary: Recently, many users report that their disk utilization reaches to 100%, leading to lagging and
unresponsive system. Learn how to fix Windows 10 100 percent disk usage problem, in this post.
Recently, more and more Windows 10 users report that they have come across 100 disk usage
Windows 10 issue. See a Windows 10 user thread from answers.microsoft.com:
Symptoms
How do you know you have 100 disk usage Windows 10? In the Task Manager, under Process
and Performance tab, the disk utilization reaches to 100%, leading to lagging and unresponsive
system. The system starts freezing until disk usage reduces from 100%. This can be observed in
the following screenshot:
In addition, the system event log contains numerous events with Event ID 129, which represents
resets of the disk controller.
Are you troubled by disk usage 100 Windows 10? Next, we will show you the worth-trying ways
to address Windows 10 100% disk usage.
You might also be interested in: 3 Ways to Help You Get out of Low Disk Space Warning in
Windows 7/8.1/10.
According to Microsoft support, Event ID 129, the resets of the disk controller, can be caused by
many factors. One of the known ones is some Advanced Host Controller Interface PCI-Express
(AHCI PCIe) models cause these symptoms in Windows 10 when running with the inbox
StorAHCI.sys driver. Due to a firmware bug, the Solid-state drive (SSD) does not properly
complete input/output when Message Signaled Interrupt (MSI) mode is enabled. As a result, the
Windows storage stack attempts to reset the device after waiting on unresponsive read/write for a
period of time.
So the first solution to fix 100 percent disk usage Windows 10 here is to disable MSI mode via
the registry. Follow the guide below:
First Move: Identify if you are running the inbox AHCI driver (StorAHCI.sys)
Step 1. Press "Win+R" to call out the Run box, then type "devmgmt.msc" and hit Enter.
Step 2. Under "IDE ATA/ATAPI Controllers", right-click "Standard SATA AHCI Controller"
and select "Properties".
Step 3. Navigate to the "Driver" tab and click "Driver Details". If you see "storahci.sys" in the
list, you are running the inbox driver.
Second Move: Disable MSI for the controller in the registry
Step 1. In the same properties window, navigate to the "Details" tab and select "Device instance
path" from the Property drop-down menu. Please pay attention to the Value that starts from
PCI\VEN, which will be useful in Step 3.
Step 2. Open the registry editor by typing "regedit" in the same Run box.
According to the feedback provided by the suffers, changing energy options from Balanced to
High Performance works well on 100 percent disk usage Windows 10. Please do the followings:
Go to Power Options > Change plan settings > Change advanced power settings, choose High
performance from the drop-down box and make sure all plan settings are on default. Go and
figure!
Fix 3. Change Settings in Google Chrome and Skype
A lot of users also recommend changing settings in Google Chrome and Skype. For some
unknown reasons, a particular combination of Skype and Google Chrome browser settings can
cause the 100% disk utilization problem in Windows 10. Here's how to fix those settings:
Step 2. Scroll down to the bottom of the page and click "Advanced".
Step 3. In the "Privacy and security" category, make sure the "Use a prediction service to load
pages more quickly" is turned off.
Step 4. Make sure that your Skype is quitted in the taskbar.
Step 6. Right click "Skype.exe" and choose "Properties" from the context menu. Then open the
"Security" tab and select "Edit".
Step 7. Highlight "ALL APPLICATION PACKAGES" and then check the "Write" box. Finally,
click "Apply", "OK" and then "OK" again to save changes.
Now check your disk usage in Task Manager to see if this has resolved high disk usage Windows
10.
Windows Search enables to search files on your PC fast. If you don't use it at all, you can disable
it completely. Disabling Windows Search service will stop the indexing of all files. However, to
identify whether this is the cause of your 100% disk utilization problem, we recommend
temporarily disabling Windows Search first.
Note that Windows Search will start again when you restart your computer. So this change has
no impact on your computer performance.
Step 1. Press "Win+X" combination keys and select "Command Prompt (Admin)". Then allow
its user account control.
Step 2. In the Command Prompt window, type "net.exe stop "Windows search"" and hit the
Enter key.
Check if your disk usage and the performance of your computer improve. If YES, you should
permanently disable Windows Search as described below.
Step 1. Press "Win+R" combination keys to call out the Run box, then type "services.msc" and
hit Enter.
Step 2. Locate "Windows Search" and double-click it to enter its "Properties" window.
Step 3. Change the Startup type option to "Disabled". Then click "Apply" and "OK" to save your
change.
Check whether this works for 100 disk usage Windows 10.
SuperFetch helps to decrease boot time and make must-load programs more efficiently.
However, it has been identified as a potential cause of high disk usage Windows 10. Here's how
to stop this service:
Step 1. Press "Win+X" combination keys, then choose "Command Prompt (Admin)" and allow
its user account control.
Step 2. In the Command Prompt window, type "net.exe stop superfetch" and hit the Enter key.
Wait for a few minutes and check if your computer starts performing better.
If you've installed some antivirus or anti-malware programs on computer, you can temporarily
disable them to see if they're the cause of your 100 percent disk usage problem. If your
computer's disk usage returns to normal, you may need to contact the software vendor to see if
they can provide some help.
If no improvement is offered by the vendor, you don't need to worry too much. Microsoft has its
own default anti-malware, Windows Defender. It's automatically enabled no matter you have
other antivirus applications installed or not. So even if you disable the antivirus programs you
installed, Windows Defender is always there.
Uninstalling any flash player update is also reported as a good solution that has helped some
users get out of disk utilization 100 Windows 10. To do so, go to Settings > Update & Security >
Windows Update > Advanced Options > View your update history > Uninstall updates. Then
uninstall flash player update.
Fix 8. Reset Virtual Memory
Virtual memory is a portion of your hard drive and is regarded as an extension of your
computer's physical memory. When the RAM isn't enough to perform a task, Windows will
temporarily store files in virtual memory, and swap them back to RAM when required.
Unreasonable virtual memory may lead to Windows 10 high disk usage.
Step 1. Press "Win+Pause/Break" keys to call out "System" information. Then choose
"Advanced system settings" on the left panel.
Step 2. Go to the "Advanced" tab, and click "Settings".
Step 3. Go to the "Advanced" tab, and choose "Change…" in the Virtual memory section.
Step 4. Make sure "Automatically manage paging file size for all drives" is NOT checked. Then
highlight your system drive and customize the Initial size and Maximum size for your virtual
memory.
Initial size: this value can vary depending on your computer. If you're not sure what value to
enter, just enter the recommended number.
Maximum size: it is recommended to set this value 1.5 times the size of your physical RAM. If
you PC has a 4GB (4096 MB) RAM, the value should be no more than about 6,144 MB (4096
MB x 1.5).
Wait a few minutes and see if Windows 10 100 disk usage is fixed.
If the above solutions all do not help, it is necessary having a check of your hard drive. You can
do this by using MiniTool Partition Wizard Free which simplifies things within a few clicks.
With this tool, you can manage hard drive partitions in all aspects even you are not professional.
Download MiniTool Partition Wizard Free and install it on computer.
Step 1. In the main interface of MiniTool Partition Wizard, select the system partition from the
disk map and choose Check File System from the action panel.
Step 2. Select Check & fix detected errors in the pop-up window. Then click Start to begin.
Continue to check and fix errors on the rest drives. If no error is found, you can try the 10th way.
The last resort is to totally wipe the hard drive and reinstall Windows 10. You may completely
back up the SSD, prepare a Windows 10 installation media, and do a clean install.
Here you can also use MiniTool Partition Wizard Free to do this job.
Step 1. After launching and MiniTool Partition Wizard, select the system disk as the source disk
and choose Copy Disk from the menu.
Step 2. Choose a hard disk as the target disk. It is important to know that all data on the target
disk will be removed for a successful disk clone.
Step 3. Continuing to the next page, you see several copy options are listed here. Select the
desired options you want and go on.
Step 4. When coming across the "how to boot from the new disk" message, read it carefully and
click Finish.
"Here are 10 solutions to 100% disk usage Windows 10. I tried the second one, and it worked
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You might also be interested in: Solved - Windows Backup Failed Not Enough Disk Space
with 0x80780119 Code.
Summary
Here comes to the end of this post. Now 10 solutions to Windows 10 100% disk usage in task
manager are introduced. You may try them one by one. Hope they are helpful. If you have any
question or better suggestion, leave it in the following comment section or send email to
support@minitool.com. We read every thread!