Black screen after OS X 10.6.8 update

Discussion in 'macOS' started by graeme355, Jul 22, 2013.

  1. graeme355 macrumors newbie

    Joined:
    Aug 21, 2008
    #1
    I'm having to update my version of iTunes, and by default my version of OS X to accommodate my new ipod. It will not work with my current set up.

    When updating from OS X 10.6.2 to 10.6.8 via 'Mac OS X update combined' in software update, I get a black screen after instillation. I've heard of others having this problem but haven't seen any clear way of rectifying it that I can understand (I'm not that technically literate when it comes to computers).

    The computer seems to run in the background but with no screen image. All I get is a check video cable, which I think is an actual screen message, rather than coming from my desk top.

    Is there any work around or direct fix? Thanks,


    Mac Pro
    OS X 10.6.2
    3.32 GHz Qaud-Core Intel Xeon
    3 GB 1066 MHz DDR3
    ATI Radeon HD 4870
     
  2. BrianBaughn macrumors 601

    BrianBaughn

    Joined:
    Feb 13, 2011
    Location:
    Baltimore, Maryland
    #2
    One guess would be that your video driver is the culprit in one way or another, but you have to start with the basics. Swap out the video cable first (or use a different cable type if possible).

    Start in safe mode or single user mode and see if you get anything.

    Move the card to another slot if possible...or swap it with another if you have one.
     

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