Re: BFG GTX280 shows no video
Do you have the DVI connected to the right one? Should be the closest one to the motherboard side. Check all your connections, including the one(s) going from the PSU to the card.
AMD FX-8320 Vishera 8-Core 3.5GHz (4.0GHz Turbo)
G.SKILL Ripjaws X Series 16GB (4x4GB)
EVGA SuperClocked GeForce GTX 760 2GB w/ EVGA ACX Cooler
MSI GTX 460 (Dedicated PhysX)