Why is my disk at 100%?
The Windows 10 100% disk usage problem might also be caused by some Advanced Host Controller Interface PCI-Express (AHCI PCIe) models running with the inbox StorAHCI.
sys driver due to a firmware bug.
1) Open Device Manager by pressing Windows logo key and X at the same time to choose Device Manager.
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
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
Will SSD fix 100 disk usage?
100% disk usage can be due to several things. An SSD wont help with high disk usage at all because it does not address the cause of the high disk usage. It will simply read/write faster, but it will still read and write as often as required.