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Thread: Z77 Pro 4 on board video not working for boot

  1. #1
    tamvegas is offline Junior Member
    Join Date
    Mar 2013
    United States

    Default Z77 Pro 4 on board video not working for boot

    I put a Z77 Pro 4 into my home server recently ( for sata 3 and usb 3 etc).
    A few days ago I tried to use the video card somewhere else and attached the onboard video of the board.
    I've tried this with 2 different PCI-e video cards (one Nvidia and one ATI) with identical results.
    When I still have the PCI-e card attached, the onboard video works fine. But the boot menu goes thru the PCI-e card.
    When I change the bios under "Northbridge" to use the onboard video as default I get a boot-loop of the splash screen.
    If I pull the PCI-e card with the bios set to onboard video, then I get the boot loop again.
    As soon as I put a video card in and reset the bios to PCI-e for default again, it boots perfectly and when I plug a monitor into the onboard dvi, it's recognized immediately.
    This happens the same whether using the DVI or SVGA ports for the onboard video.
    I also have 2 Hauppauge TV tuner cards in the server for live recording (an 1800 and 2250), but they work fine in any scenario.
    Any ideas? The onboard video is one of the reasons I went this route (with the i3 2105 Sandy Bridge cpu).

    Thanks in advance for any information and assistance.

  2. #2
    Join Date
    Nov 2012

    Default Re: Z77 Pro 4 on board video not working for boot

    Feeding a computer monitor, or a television?
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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