iMac problem with screen

Discussion in 'iMac' started by sprehodec, Apr 1, 2011.

  1. sprehodec macrumors member

    sprehodec

    Joined:
    Jan 24, 2008
    Location:
    Sarajevo
    #1
    Hi,

    I have 24" iMac (3.06GHz C2D, 4GB RAM) and since yesterday I have problems with screen. When I turn on computer and system starts to boot instead of normal grey screen with Apple logo I get grey screen with dozens of pink lines and parts of Apple logo are all over the screen, system never boots, stays that way no matter how long I wait, tried booting from install dvd but nothing happens. I contacted a local mac service and they say it logic board and it's less expensive to buy a new one than to replace that? Anyone had similar problems, suggestions what to do?

    thanks
     
  2. TMRaven macrumors 68020

    TMRaven

    Joined:
    Nov 5, 2009
    #2
    Yeah sounds like logic board. Apple proprietary logic boards are expensive, might be better off buying new refurbished iMac.
     
  3. Spikestrip macrumors member

    Spikestrip

    Joined:
    Apr 1, 2011
    Location:
    California
    #3
    Almost certainly a logic board, although there is a considerable chance it is just a cable leading from the MLB to the display, or even somewhere else. When I worked at Apple, we had a few of what could be the same computer (I can't be sure) that had a very similar problem with the computer not booting, and it actually turned out to be the optical drive cable. Cheap fix, but those iMacs are a pain to take apart without the right tools and a VERY lint-free room.

    Spike
     

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