Originally Posted by
notsobig
I'm sorry to say but "to me" this looks either defected or soon to be defected card symptom. Can your card run Deep Freeze(3dmark06) without showing artifacts? I think you should test your card in someoneelse's computer to see if you get same symptom or not before shelling out your money for a new PSU. If you get artifact it probably means your card is defected and needs to be replaced(RMA), if you get no artifacts then probably it's PSU problem like other posters said.