Windows 10: Why Disk usage is always at 100%?

This is my laptopBrand - AsusModel - X542UQProcessor - i5 7200U @3.07 GHzRam - 8 GBGraphics - Nvidia Geforce GTX 940mxThere were no slots for the SSD upgrade. So, I replaced the optical disk drive with a 500 GB SSD using a caddy and installed Windows 11 on it.The performance was great until it happened to pass 2 days and I encounter a very slow PC. After turning my head around, I saw that the disk usage of OS SSD is at 100%. I waited but it never came down. Even if it comes down at 0%, then whenever I open any program, it becomes the reason again for 100% usage.Moreover, the boot time has in

:)

 

100% disk usage

The most common cause of 100% disk usage appears to be Superfetch and Prefetch, but there are also other causes. You can try disabling both these features and see if it helps.

This article provides steps to disable prefecth and superfetch:

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How to Fix 100% Disk Usage Error in Windows 10

 

100% disk usage and memory usage

Hi,

100% disk usage and memory usage can be caused by a software corruption, running application running on the background and malware or virus infection.

For us to properly isolate the issue and provide an appropriate resolution, kindly answer the questions below:

• Did the issue happen after installing the Fall Creators?
• Did you receive any error messages?
• Can you send us the screenshot of the Task Manager showing the 100% disk usage and memory usage?
• What troubleshooting steps have you done so far?

For isolation purposes, please perform a clean boot to see if the same issue will occur. Refer to this
article for more information on how to perform a clean boot
in Windows.

Looking forward to your response.

 

Disk usage constant 100%

Hi Here are some more things you can check for 100% disk usage after you try Eric's suggestions!

gb89

http://www.thewindowsclub.com/fix-100-disk-usage-windows-10