If you over clock your video card DON'T do it!! that 6800xt sucks for overclocking, this is why you have a problem no doubt, just deal with the crappy vid card you bought and it's default clock speeds.. :dennis:

__________________
System status:

Pentium D dual core 3.4Ghz
1 Gig dual channel memory
BFG Geforce 7950 GT OC 512mb
80Gig sata HD
BenQ dual layer 16x dvd
ASROCK dual vista 775 mobo.