Imac g5 20, 2004 problem

Discussion in 'PowerPC Macs' started by Grazhve, Apr 5, 2013.

  1. Grazhve
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    macrumors newbie

    Apr 5, 2013
    iMac g5, 1,8 powerpc, 160gb, osx 10.5.8
    Problem :
    1 when i press first time power button, loads about 15 seconds and immediatly turn off.
    2 when i press second time power button, loads about 25 seconds and immediatly turn off.
    3 when i press third time power button, loads and work computer all day without problems. Reinstall osx not help. Run apple service diagnostic disk all test passes.
  2. rabidz7
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    macrumors 65816


    Jun 24, 2012
    Your iMac may have the capacitor plauge.
    This is when capacitors explode,leak, or bulge due to bad manufacturing.

    Check your motherboard and power supply for bulging, leaky or exploded capacitors.
    This sounds like the PSU has the capacitor plauge.

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