hi i just bought a gtx 580 and it is second hand, came with no discs or anything and its giving me a black screen and i dont know why, previously had a 260,what do i have to do to get it working, Also im using 2 6 pin pci-e plugs instead of a 6 and an 8, im also very new to pc's!
specs:
i7 920
Gigabyte GA-EX58-UD5
8gb ram
specs:
i7 920
Gigabyte GA-EX58-UD5
8gb ram