Why is my disk running at 100?
On the first tab, Processes, look for the Disk column.
Problematic sectors on your HDD can cause the 100% disk usage issue in Windows 10.
However, using Windows’ built-in disk check can fix this.
Open Windows Explorer and select This PC, then identify your hard drive.
Is 100 disk usage bad?
Even if your drive seems pretty comfortable acting as a chronic overachiever, keep in mind that 100% disk usage is not something for you to take pride in. Your disk working at or near 100 percent causes your computer to slow down and become laggy and unresponsive. As a result, your PC cannot perform its tasks properly.12 Dec 2017
How do I increase disk usage?
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100% Disk Usage in Windows? Here’s How to Fix It! – YouTube
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What causes high disk usage?
Everything that can’t be fit into memory is paged to the hard disk. So basically Windows will use your hard disk as a temporary memory device. If you have a lot of data that has to be written to disk, it will cause your disk usage to spike and your computer to slow down.20 Sep 2016