Your old computer or even a new PC start hanging and Windows freeze for a few minutes or an hour. In this case only Task Manager is working and shows 100% disk usage. You tried to end some process but the problem is continue and shows 100 percent disk usage. A process in Windows forces the system to utilize the hard drive to its full capacity and causes 100% disk usage problem, leading to unresponsive system. 

Fix 100% Disk Usage & Improve Windows Performance

There is no particular cause to 100% disk usage problem in Windows but it may be due to Chrome, Skype or some other app. In this article, We will show you how to fix 100% disk usage problem and improve Windows performance.

1) Change Power Plan Settings :

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.

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2) Disable Superfetch Service :

Superfetch service is the potential cause of 100% disk usage problem in Windows 8 and Windows 10. To fix issue, open Command Prompt (cmd) as administrator (press Win button to open start menu and type cmd. Now press Ctrl+Shift+Enter to run cmd as administrator).

Type the following command and press Enter

net.exe stop superfetch

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To disable Suerfetch service permanently, press Win button to open start menu and type run. Now open the Windows services by typing service.msc and press enter.

fix 100 disk usage problem

Find the superfetch services by scrolling down and click on properties. Go to General > Startup type and click on “Disabled”, click apply and press OK.

 

 

 

 

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You should also check disk for errors in Command Prompt. Close all the application first and type the following command.

chkdsk.exe /f /r

3) Disable Windows Search :

Open the Command Prompt as administrator and enter the following command:

net.exe stop windows search

To permanently disable Windows Search, press Windows key + R and type services.msc, press Enter. In the service windows, find the Windows Search and click properties. Go to Windows Search Properties > Start up type and select disabled. Click apply and press OK.

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4) Disable Diagnostic Tracking : 

Open the Command Prompt as administrator and enter the following command:

sc config “DiagTrack” start= disabled

sc stop “DiagTrack”

5) Setting in Google Chrome & Skype :

In Google Chrome, click the three dot icon at the top right corner and click “Settings”.
Scroll down to the bottom of the page and click “Advanced”.
In the “Privacy & Security” category, turn off the “Use a prediction service to load pages more quickly”.

For Skype, go to C:\Program Files (x86)\Skype\Phone\, right click Skype.exe and select properties.
Go to “Security” tab and select “Edit”, click “ALL APPLICATION PACKAGES”.
Now check the box against “Allow” in the permission for ALL APPLICATION PACKAGES.

Miscellaneous Fixes :

–>Go to Settings > System > Notification & actions and disable Get tips, tricks and suggestions as you use Windows.

–>Make sure your computer hasn’t been infected with malware. Download Malwarebytes Anti-Malware and scan your system drive. 

–> Uninstall Flash Player update, go to Settings > Update & Security > Windows Update > Advanced Options > View your update history > Uninstall updates.

Tell us the solution worked for you, in the comment box. If you’ve any other solution to fix 100% disk usage problem in Windows, share with us.

About the author

Michal Flip is a Tech Lover and founder of Digital Adda, a popular how-to tech guides and software tutorials. Sign-up for the email newsletter for your daily dose of tech tips & tutorials.

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