Computer fans can run loudly depending on your computer's specifications, what the computer's used for, and how much it's ...

Computers need to maintain a constant, relatively cool temperature to operate properly, and they moderate their temperatures with the use of a number of fans to draw in cool air and blow out hot air.

If your laptop fan starts rattling and grinding, it usually means its time for a replacement. If you're just trying to eke out the last few months of your computer's life, though, you can keep the ...