Won't boot, gets stuck on loading screen which turns "green"

Discussion in 'iMac' started by Viira, Nov 4, 2010.

  1. Viira, Nov 4, 2010
    Last edited: Feb 22, 2012

    Viira macrumors newbie

    Oct 20, 2006
    So its been 4 years since my last issue with this imac (ECM 2111) and it broke tonight ;[

    The message popped up telling me I needed to restart, I did, now does not want to run.

    It starts to load up, plays the start up chime, I see the apple and loader animation, then the screen becomes all "green pattern-ish" and again I get the message to restart

    I tried the PRAM and NVRAM & SMU reset - nothing
    tried loading with my original disk - nothing

    What could be wrong with it?

    Attached Files:

  2. Viira thread starter macrumors newbie

    Oct 20, 2006
    So i was able to run the hardware test and apparently it said no problems were detected, but, the tab with video card says "unknown video"
  3. Hellhammer Moderator


    Staff Member

    Dec 10, 2008
    Sounds like a GPU failure then. Not much you can do. You could take it to Apple so they can troubleshoot it and give an estimation of repair cost but I doubt it's worth it to fix it.

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