iMac G3 - not booting (6 sec shutdown)

Discussion in 'PowerPC Macs' started by Uloga, Nov 24, 2009.

  1. Uloga macrumors newbie

    Nov 24, 2009
    Ok, I've been looking around on a few forums, and I've tried to reset PMU, hold the programmer key, take out battery let it be, external screen,...

    None of it worked for me.

    I have tried to install Os X Jaguar without upgrading firmware, so it told me that it needed to upgrade.

    But I can't do that since it doesn't boot anymore. I tried disconnecting the harddrive and boot it without it, it still turns off.

    I even made a video about the problem:
  2. dougb256 macrumors member

    Nov 16, 2009
  3. MacHamster68 macrumors 68040


    Sep 17, 2009
    yes looks like the power supply , otherwise the cd would come out again when you press this small button like you did
    and never ever pull the plug as long as the light is on thats deadly for the iMac fact for any computer ,
    think of it as the life support machine , if you pull it out the patient dies

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