Mobo didn't boot up today.
Reset cmos, removing battery and disassembly psu didn't help.

He took the mobo and psu to the seller. :-/

On local forum 3770k+z77x-d3h(F17i) + 650TI(F10) + NV Driver 314.07(WHQL): 650ti runs as @x16 3.0 :)