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  1. #1
    iMac takes about 10 attempts to power on.

    Member Since
    Mar 05, 2008
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    66
    iMac takes about 10 attempts to power on.
    My Imac 20" G4 1.25Ghz was taking 10 attempts to turn on. Now I can't get it to power on at all. I opened the bottom and pushed the Reset PMU button once and it still didn't do anything. Does anybody have any ideas?

  2. #2
    iMac takes about 10 attempts to power on.

    Member Since
    Jun 10, 2008
    Posts
    12
    Perhaps it's a broken contact or something like that. I hope reparing doens't cost you an arm and a leg.

  3. #3
    iMac takes about 10 attempts to power on.
    hughvane's Avatar
    Member Since
    May 18, 2008
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    Banks Peninsula, New Zealand
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    Specs:
    MacMini 2.4, 8 Gb, OS 10.10 and 10.6; MacBook 2.4, 4 Gb, OS 10.6.8
    Quote Originally Posted by ktreece777 View Post
    My Imac 20" G4 1.25Ghz was taking 10 attempts to turn on. Now I can't get it to power on at all.
    This reads like it's a power supply unit (psu) failure, possibly bad RAM. Are you in a position to test the psu with a multimeter? You really need to know how to open up your iMac, and which contacts to put the probes on to while your Mac is connected to a power supply. Wear medical rubber gloves while you're at it.

    Second - have you tried a different power cord? May seem simplistic, but sometimes the simple solutions are the best ones.

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