hey guys i just got a new laptop and im having a huge problem. ANY audio that comes out of the speakers is crackly. even when i startup the system, the vista startup noise pretty much lags and sounds just...crackly! it has integrated sound btw. ive reformated twice and it doesnt fix the problem =[. pleaseeeeee help me! heres some specs:

amd turion 64 mobile technology - 2.4ghz

2gigs ram

nvidia gforce go 7900 gs

soundMAX integrated digital audio