Question about Apple iMac G5 Desktop

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My Imac G5 has a long tone and flashing sleep light upon pressing the power button. It also no longer sleeps. When I put it to sleep it immediately shuts down and doesn't go through the normal shut down process.

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  • mjear Jul 07, 2009

    Is this something I can change myself? or is this something I should have brought in and replaced?

  • mjear Jul 07, 2009

    Yes, it starts up, and sometimes it does the thing with the fan blowing at max. :(

  • mjear Jul 24, 2009

    Thanks for attempting to solve my issue. It finally refused to boot! Long story short, I took it into the apple store...conduits blown on the motherboard...Computer is toast. :(.

  • Luke Kim
    Luke Kim May 11, 2010

    is the imac starting up then you hear the boooop, then do the fans sound like they are blowing at max also? This might be because your internal battery the PRAM clock battery is failing or has failed. Thus you get the long tone and shut downs. you might want to get a new one.

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The long tone and flashing light has to do with your firmware. If your mac boots up, you could try to download the latest firmware update and install it. But more than likely you will need to take this one into the shop.

Posted on Jul 24, 2009

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under advance tab, double check the option when i press sleep button

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