I have had that happen when overclocking/testing my video cards.
In those cases it was a driver crash under load.
Is your card overclocked?
You are right.
MSI HD 7850 Twin Frozr 2GB O.C.
I bought it and the hardware comes with overclock already. Is there anything I can do to rectify it? Through programs, software, bios or settings? Doubt I'll be able to fix the hardware myself, haha.
It can be irritating when it happens during watching shows or surfing web, but hugely frustrating if playing games as it goes black for 2-3 sec before coming back, lol. I'll say on average happens once per 1-2 hrs.
My Motherboard is I5-3470, AsRock B75 Pro3M, Seasonic 520W.