So I had originally posted this problem in the video-card forum as I thought that my brand new Sapphire 4870 was defective, but I found that putting it into my roommate's computer produced a display and switching his 8600gtx into mine produced no display. So I'm leaning towards the motherboard being the issue now.
I built the damn thing today and from boot an LED on the 4870 labeled D1601, which apparently indicates when the card is running too hot, turns on and I get no display. I haven't even got a chance to install an OS on this thing. It won't even bring up the BIOS splash screen and since it has no on board video, I can't test that out.
Like I said, a different PCI-e card didn't work in my mobo either, so it might be fried. But since I have a habit of omitting crucial steps to computer building, I'm afraid of submitting an RMA before I fully investigate my available solutions.
I am having the same problem with mine. One thing might be if you put the ram in the wrong slots, they should be in the black slots, not the blue ones. I tried that with mine and it didn't work, but I also noticed that two of the three system fan plugs on my mobo were acting up. When I turn it on the fans will spin up but then they will stop running, they work in the one system fan plug though
I also noticed that one of the power nodes is not running, not sure if that might be a cause of the problem, or just another thing that is acting up because the board itself is dead. I still get power to all the components, the cpu fan, the gpu fan, my optical drive, hard drive, etc all get power.
did you make sure to hookup the pci-x power cable to the card? I know its an easy thing to overlook, ive done it be4! if you get it working, let me know. im getting ready to build new system, and im going back and forth between the msi and gigabyre udp4 board. i need sli.
Haha, yeah there are actually two 6-pin rails that go into the back of this thing. It's serious business.
The old board just got to Newegg's shipping faciliity today so I'm expecting it Thursday or Friday. I'll post after I get the new one slapped together.
make sure the board is not making contact whit the case chasis the screws that come whit the case go under the board and probably u will have 2 find the right ones to fit on to those it sounds like the board is grounded