Under normal circumstances, the CPU in your desktop PC generates modest amounts of heat; a smart fan on top of the CPU runs just fast enough to keep it cool. At this speed, you barely hear the fan.

As a computer endures use, its fans may begin to work overtime and produce a loud noise. This can be caused by anything from overworking the computer's CPU, to its specific settings adjustment, to the ...

You've no doubt become accustomed to hearing the little fan whirring inside your computer to keep the components cool. If that occasional whirr has changed to a constant drone, and your computer ...