Do you have 100% Disk Usage in the Task Manager?
Do you want to fix this problem with easy steps?
In this tutorial, you will learn how to fix the 100% disk usage issue on Windows 10.
We will disable services like SysMain (previously named SuperFetch) and Windows Search, we will also disable automatic Disk Defragmentation and increase the Virtual Memory.
If one of these fixes worked please leave a thank you comment below, thanks!
Fix 100% Disk Usage in Task Manager on Windows 10
Here is how this issue looks like in the Task Manager, for some people the PC will be slow to use even the Task Manager won’t open as easily.
1. Disable SysMain Service
First, open the Run prompt and type in
services.msc, hit Enter.
Right-click on the service “SysMain” and choose “Properties“.
On “Startup type:” choose “Disabled” and click the “Stop” button.
2. Disable Windows Search Service
Choose “Disabled” on “Startup type:” and click on “Stop“.
3. Disable Defrag Task in the Task Scheduler
Open Start menu, search, and open the Task Scheduler.
Navigate to the following:
Task Scheduler Library > Microsoft > Windows > Defrag
Click “End” to stop running the task and click “Disable” to stop the task from running automatically, you can re-enable it later.
4. Increase Virtual Memory Space
Click on “Advanced system settings“.
Click “Settings” under “Performance“.
Open the “Advanced” tab, click on “Change…“.
Now do some math, you need to calculate:
1024 x RAM x 1.5
I have 16 GB of RAM so the number is:
1024 x 16 x 1.5 = 24576.
Uncheck “Automatically manage paging file size for all drives“.
Put the recommended paging file size in the “Initial size:” and put the number we calculated under the maximum size.
Click on the “Set” button. Click “OK“.
Restart your PC for changes to take effect.
If this fixed the 100% disk usage issue please leave a comment.
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