after having some hard times trying to fix "script errors", i gave up and decided to reformat my HD.. after reformatting, i reinstalled all drivers and programs i was using... but then my PC has no sound.. in the device manager, there is a "!" in c-media ac97 audio driver.. so i searched for that driver and luckily found one... the ! was there no more... but the problem continues.. MY PC IS STILL MUTE! any suggestions?