No signal from XFX Radeon HD 6950

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catleapqueen

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May 12, 2012
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Hello,

I have a Asus M4A89GTD Pro motherboard and a Antec 750watt PSU. Both the hard drive and dvd drive are now disconnected. I swapped out my working GeForce GT 220 for the Radeon HD 6950 and I get no signal. I have two PCI 2.0 x16 slots, the GT220 was in slot 2 and a dummy/switch card in slot 1. I put the 6950 in slot 1 w/o touching the dummy card no signal. I tried putting the 6950 in slot 1 with the dummy in slot 2, no signal. I tried 6950 in slot 1 w/o dummy card, no signal.
I will get video from the onboard graphics card and like I said the GT220 was working fine, so there shouldn't be anything wrong with the motherboard. Also, I checked and properly configured the bios so that GFX0 is first in line.
I have reseated the 6950 once, still no signal.

Did I receive a DOA card? I took some tissue paper while it was running and tested the back of the card and the intake fan on the card and i can confirm at least that it would both draw the tissue paper toward it and blow it away.

Any help much appreciated. I got this card supposedly 3 times used and professionally tested as working off of ebay.

Thanks.
 
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Yes, no offense taken. I have both dedicated PCIe plugs (no splitters) solidly in and double triple checked. HDMI cable is connected to the 6950. Cable is the same cable functioning with both the GT220 and the onboard gpu. Also tried a displayport, no go.

Thanks.
 
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I believe so but I also read that that is unnecessary and I didnt need to even attempt that with the GT220 in there so that shouldnt be the issue, should it? As I said I also properly configured the order in which it looks for a video signal.
 
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If you don't have another system you can test the card in, I would suggest either waiting for more responses or going ahead and starting the RMA process with XFX/where ever you bought it.
 
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it could be that the mb is trying to use the new card in crossfire mode as there the same gpu chips now. i would see on asus web page if anyone had to change a setting in the bios to get an ati card to be the first card. (i would try pci as the first video device. there are few bios updates for your mb one to fix two nvidia card issue. also check for the opps issues..that if the vide card needs extra power you have the power plug conected to the video card. these cards have two 6 pin pci power plugs.
 
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No friends with builds I'm afraid.

@smorizio
would the motherboard really be trying to crossfire when i turned the onboard gpu off? I can confirm it is off because I no longer get signal when I switch my HDMI cable to the onboard port.
 
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Hi. I'm not sure if this is the same thing, but I recently struggled with the same problem. I changed motherboard, and suddenly; no signal from my 6950. I've searched around, and it seems like a lot of people have encountered this, so I just wanted to post what worked for me.

The reason for lack of signal turned out to be that I flashed a 6970-bios on my 6950 with my previous motherboard, and this particular bios was not compatible with the new mb.

On my 6950 there's a switch marked 1/2. 1 is the "main" bios, 2 is the "I messed up, please rescue me-bios". When I set the switch to 2 i managed to boot up with a signal from the 6950. I then managed to switch back and flash the original bios. Then I found a compatible 6970-bios (one where nothing changed, other than opening some latent shaders), and it all worked fine.

Hope this can be of any help to anyone =)
 
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