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gigabyte 7950 not being recognized by system

Last response: in Graphics & Displays
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May 26, 2013 6:13:18 PM

Hi,

I have a gigabyte x79-up4 motherboard and I just purchased a new graphics card for it, the gigabyte HD7950-windforce.

Problem is, regardless of when I do I can't get the motherboard to recognize the card. I've tried using different power inputs including the molex adapters that come with the product, (and yes both the 8 pin and 6 pin connectors are plugged in, also I think it's an older release since it has an 8 pin connecter) I've tried booting in EFI and legacy-bios mode and nothing changes. I updating the motherboard's BIOS to all released revisions, no change. I've tried it in everyone of my pci-e slots, both with and without my other card, no change. I tried reinstalling the AMD drivers, no change. I even exchanged it hoping it was just a bad card, but same issue with the new one.

The only thing that makes sense is a BIOS compatibility issue, but I wouldn't think there would be issues with two gigabyte products, especially since the board came out well after the video card.

Please help! if I don't figure this out soon I'm going to have to purchase a competitor's product.
a b U Graphics card
May 26, 2013 8:09:32 PM

peejweej said:
Hi,

I have a gigabyte x79-up4 motherboard and I just purchased a new graphics card for it, the gigabyte HD7950-windforce.

Problem is, regardless of when I do I can't get the motherboard to recognize the card. I've tried using different power inputs including the molex adapters that come with the product, (and yes both the 8 pin and 6 pin connectors are plugged in, also I think it's an older release since it has an 8 pin connecter) I've tried booting in EFI and legacy-bios mode and nothing changes. I updating the motherboard's BIOS to all released revisions, no change. I've tried it in everyone of my pci-e slots, both with and without my other card, no change. I tried reinstalling the AMD drivers, no change. I even exchanged it hoping it was just a bad card, but same issue with the new one.

The only thing that makes sense is a BIOS compatibility issue, but I wouldn't think there would be issues with two gigabyte products, especially since the board came out well after the video card.

Please help! if I don't figure this out soon I'm going to have to purchase a competitor's product.


Do you have the option to try it in another PC? Could be that the card is DOA.
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May 26, 2013 9:27:01 PM

Don't have another PC new enough.

Finally found a combination that works, latest (not Beta) bios, legacy MB setting and putting it in the first PCI-E slot. However, it doesn't work in any other slot. weird?
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a c 92 U Graphics card
a b V Motherboard
May 26, 2013 9:38:23 PM

Sounds like a flaky MB to me.
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!