If your PC is slowing down and Task Manager is consistently showing disk usage around 100% (and appropriately highlighted in red), there is cause for concern. Normally, disk usage should never get this high. But if it does, you can be sure that there are some things wrong with your PC.

Here's everything you need to know about what causes this 100% disk usage and some ways to fix it.

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When the disk capacity is at maximum, it means that the disk is occupied by active tasks or services running in the background.