Upgraded to a GTX 580 - no video signal on boot

Posted by MGOwen on Super User See other posts from Super User or by MGOwen
Published on 2013-10-29T02:00:45Z Indexed on 2013/10/29 4:00 UTC
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I have:

New Corsair 550w PSU (should be more than enough)
AsRock H61M u3s3 mobo (with latest updated BIOS)

Just replaced my faithful HD 7790 GPU with a refurbished EVGA GTX 580 1.5GB. When I boot, it sounds like the PC boots to windows, and the 580's fan is spinning, but I can't get any video signal from the card.

Old card and integrated graphics still work fine (when I replace and use those instead).

I am using the DVI ports on the card with a DVI-VGA adapter until I can get my hands on a mini HDMI adapter tomorrow.

Anyone ever heard of a GPU needed something special to make the VGA signal work? Hold down a key on startup or something? I can't even find a manual for this card.

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