I'm not able to get any video output on my GTX260 that I'm putting into this computer. Putting it in any other computer, video, no problem, so I know the card is good. I am replacing an HD5670, so I know the PCI-e lanes are good, and it's configured to use them.
Pertinent system specs are as follows:
MSI K9N4 MS-7352 Ver 1.0 motherboard
AM2 processor (forgot the type)
GPU is powered by Ultra X4 850W PSU with 2x dual molex -> PCIe 6 pin (I have the 6pin PCIe connectors that go straight the PSU vs the molex adapters, but I won't be able to get to them until tomorrow night)
Tried using the CMOS reset button. Tried pulling the CMOS battery. Tried everything I can normally think of and still not able to get it working.