I finished building my computer today with an EVGA GTX-780 SuperClocked graphics card, booted it up and everything was fine - I installed the 320.11 drivers from the support disc. Then I downloaded Crysis 1 from Steam (had it on previous computer, so just installed it), when I started the game there were loads of random blobs of colours flying all over the screen during the first cut scene in game, then the problem continued and got worse when playing (I played for about 30 seconds before stopping).
So I downloaded the 320.49 drivers, got back into game and the problem was still there - after a few seconds, the game crashed to desktop and "stopped responding". I haven't installed any other games yet so I don't know if the problem is with all games.
Help me, I'm new to the whole pc gaming thing really and I have no idea what is going on! Games run fine on my Asus laptop which has a GT650M (don't know what drivers though).
I hope my GPU isn't screwed.