Late 2007 iMac won't boot

Discussion in 'iMac' started by OversizedBass, Jul 3, 2013.

  1. OversizedBass macrumors newbie

    Jan 11, 2012
    Hey everyone, I just picked up a used iMac (2007 model, 20") for cheap and the sucker won't boot. The first time I plugged it in, I got the chime and a white loading screen, then nothing. Black screen, but I can still hear the fan and hard drive. I've swapped out the ram with modules I know work, and still nothing. Anything you can suggest?
  2. blueroom macrumors 603


    Feb 15, 2009
    Toronto, Canada
  3. OversizedBass thread starter macrumors newbie

    Jan 11, 2012
    I don't think the hard drive is the source of the problem. If that were the case, an error would still be displayed on the screen. The 4th led service light is off, indicating it may be a problem with communication to the screen.

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