Hard drive running slow? This may be why (and what to do about it)

Is your hard drive running slow? Learn the common reasons behind sluggish performance and what you can do to speed it up.
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Your PC feels slow, but it's probably not your CPU — here's what I checked instead

I've used Windows long enough not to panic when my PC feels slow. The Task Manager's Performance tab shows CPU usage, and it often explains what happened. However, it gets a bit trickier when CPU ...