Originally Posted by grey_1
Just curious if you had the artifacts prior to the flash or voltage changes. Different beast, but my 480 does not like it's voltage being monkeyed with, not even a little.
I never noticed any before the flash but I never played Civ V , the artifacts are very specific to Civ V and for some reason the catherine diplomacy screen, random flashes kind of like memory artifacts, yet eveything else seems fine, it's weird as I can play Crysis, Metro 2033 and let the Heaven benchmark loop endlessly and I get no artifacts.
Could try flashing back to the stock bios just to rule it out as the possible cause, but I don't see how just unlocking voltage and fanspeed would cause it.