Leviathan.Catnipthief said:
»I put my old card back in and ... I guess it jarred something loose in the fan or something cause it's clicking like crazy :| driving me up the *** wall batshit crazy lol.
Bust out the canned air bro! open that sucker up and don't stop the blowing until it is empty!
Most clicking like that tends to come from the balance of the fans being out of wack, usually the culprit is dust buildup.
Only other moving part for conventional computers that I can think of is your hard drive. Solid state technology is fixing that one in rapid order though.