Sometimes you may notice100% disk usage even when the PC is sitting idle.
Problems with OS installation or Windows file corruption also cause such problems on your box.
Lets first check for and set up the latest Windows update.
Same way Disable Windows Search and Connected User Experiences and Telemetry service.
Now kick off the task manager and look to see if the disk usage is reduced.
Perform aclean bootdisable these apps and start Windows 11 only with needed Microsoft services.
If the above solutions didnt fix the problem, you gotta repair disk errors using chkdsk command.
Rebuild Search Index
Another common reason for High disk usage is search indexing on Windows 11.
Especially Computers using the StorAHCI.sys driver, are most likely affected with this issue.
And Microsoft even states, disable Message Signaled Interrupt (MSI) mode reduces disk usage drastically.
Note In some cases, the antivirus software will take too much disk usage.
you’re able to kill the software for a while to fix the issue.
If you have recently customized virtual memory for better performance, we recommend reset it following the steps below.
Now, enter the Recommended size into the Initial size field.
And in the Maximum size field, enter the amount (in MB) 1.5x times your RAM size.
For example, my RAM is 8GB, so I have entered 1024 x 8 x 1.5 = 12288.
Run thesystem file checker utilitythat helps you scan for bad files and replace them with good ones.
Lets Optimize it
