imac g5

Discussion in 'PowerPC Macs' started by 1209221, Oct 13, 2008.

  1. 1209221 macrumors newbie

    Oct 13, 2008
    My 2nd Generation imac G5 has recently been turning itself off and proving difficult to turn back on. Is it the power supply unit or as i've read the logic board
  2. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    From Apple Support:

    1. Turn off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off.

    2. Unplug all cables from the computer, including the power cord.

    3. Wait 10 seconds.

    4. Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer.

    5. Let go of the power button.

    6. Press the power button once more to start up your iMac.
  3. Jonnyfive macrumors regular

    Feb 28, 2007
    British Columbia
    That's exactly what I would suggest you to do. And if it doesn't work sell it to me REALLY cheap!
  4. Macky-Mac macrumors 68030


    May 18, 2004
    check out the G5 iMac power supply repair extension program to see if it helps you out
  5. 1209221 thread starter macrumors newbie

    Oct 13, 2008
    imac g5 shutting itself off

    Further to my previous note. i am managing to get it started again after several attempts and it's staying on for a period of 72 hours then it shuts back down again. When i'm away from the machine for an extended period should i put it to sleep. is leaving it on compounding my problem?

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