Dead video card?

Discussion in 'Mac Pro' started by kellen, Jul 10, 2016.

  1. kellen macrumors 68020

    kellen

    Joined:
    Aug 11, 2006
    Location:
    Seattle, WA
    #1
    2008 Mac Pro. Will boot and chime and all but just displays a grey screen on a 30" acd. Intermittently will boot to an apple loading screen with vertical grey stripes. Screen checked with second computer. Able to log in from mba and all files and drives work so I am thinking it's the Apple OEM 4870 video card.

    Have cleaned it out, tried to boot with bare minimum, reset Pram. No improvement.

    Sounds to me like a dead video card, but would like any other tips/hints.

    Thanks in advance.
     

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  2. pastrychef macrumors 601

    pastrychef

    Joined:
    Sep 15, 2006
    Location:
    New York City, NY
    #2
    Yup. Looks like a dead video card to me too.

    Only thing you might consider trying is to bake the video card. Do a search for "bake video card" and you should find some videos and instructions.
     
  3. ColdCase, Jul 10, 2016
    Last edited: Jul 10, 2016

    ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #3
    You may want to double check the red error LEDs on the RAM carriers (or anywhere else on the motherboard) before replacing the video card (unless you happen to have a spare handy). Its probably the video card, however, as you can remote screen share and all is well.
     
  4. kellen thread starter macrumors 68020

    kellen

    Joined:
    Aug 11, 2006
    Location:
    Seattle, WA
    #4
    Thanks. No red LEDs on the ram carriers or motherboard. I can remote in to view files on all HDs including the booting hard drives, but the screen sharing isn't working. Just lags on the connect screen.
     
  5. ActionableMango macrumors 604

    ActionableMango

    Joined:
    Sep 21, 2010
  6. kellen thread starter macrumors 68020

    kellen

    Joined:
    Aug 11, 2006
    Location:
    Seattle, WA
    #6
    Changed out the video card, issue resolved. Just wanted to bump this in case others have similar problems.
     
  7. Macschrauber macrumors member

    Joined:
    Dec 27, 2015
    #7
    For a quick test: Remove the heat Sink and the fan, give the chips a quick blow (aprox 3 Seconds) with a heat gun in a circle motion. Apply new thermal paste and put it back together.

    If it runs ok you should go for a new video card, this just a temp. fix...
     

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