I CREATED AN ACCOUNT JUST TO COMMENT HERE.
The same thing happened to me just recently. May 29th 2015.
GPU: EVGA GTX 780
PSU: Corsair CX750 (Both are 8-9 months old)
I was playing Tower of Guns, not even that demanding, just waiting a friend to play cs:go later.
Around 6 pm, suddenly my pc...