There has been a loud whining noise coming from my computer for a while now. I <I>think</I> it is coming from the fan, but I am not sure. It could also be the power supply.<P>I want to test it somehow ...

The computer fan in your desktop PC or laptop is there to keep things cool and running smoothly. However, if you can barely hear yourself think over the cacophony of noise emanating from your computer ...

Ive been having a wierd problem with my CPU fan, when I start my computer up it hums rather loudly for about a min then the loud humming subsides. Now recently it will periodically make a diff higher ...