Ok so i restarted my pc, then all of a sudden. I get no display.. my monitor is black... and my computer case started making this horrible huuuge fan noise... It came from my Geforce 7600GT... as i looked closer the fan was moving at a snail speed pace... but making this huuuge noise.. and i recieve no display on the monitor... What can i do?? HELP!!! Was working perfectly earlier i was playin Counter-Strike Source...