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Thread: GA-Z77X-UD5H No POST with 2 video cards

  1. #1
    A-KO is offline Junior Member
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    Default GA-Z77X-UD5H No POST with 2 video cards

    So I'm trying to connect my EVGA GTX 460 as a secondary card in my system to run PhysX processing. Unfortunately, it's not going very far. Whenever I boot up, the motherboard comes on, then the system powers down. It will turn back on again, and stops at LED Display "95". It gets no further than this. When I boot up with just my GTX 670, all is well. If I boot up with just the 460, all is well. It doesn't matter what mode I put the BIOS in. I currently run in 100% UEFI mode with no CSM; so I thought maybe I'd turn the CSM on and that would resolve the issue. No go. System still does not get through POST. I've got a Corsair AX850 PSU which SHOULD be able to handle the load. I can use either set of power connectors coming from the PSU and it does not make a difference.

  2. #2
    A-KO is offline Junior Member
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    Default Re: GA-Z77X-UD5H No POST with 2 video cards

    The only potential issue is that there's some sort of incompatibility with my 670 running in EFI mode versus the 460's legacy BIOS mode...

  3. #3
    wazza300's Avatar
    wazza300 is online now Sloth Fratelli-Moderator
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    Default Re: GA-Z77X-UD5H No POST with 2 video cards

    have you tried setting peg to gen2 mode? and set display to peg instead of auto? see if that helps
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