iMac G5 iSight 20" won't start ?!

Discussion in 'PowerPC Macs' started by acidfan, Aug 10, 2009.

  1. acidfan macrumors newbie

    Aug 10, 2009
    hi all,
    not the first one with this problem but i couldn't find any solution.
    i have an imac here which won't start when i push the power button. nothing happens. there is no noise, no fan, no flashing on screen or something else. i already opend it and checked the 4 LEDs on the logicboard. nothing to see there too. the only thing i noticed is, when i connect the power supply i hear an short noise coming from the PSU, i think and one (i think the first) LED flashes one time. also tried to push the internal power button, without success. noticed NO exploded or damaged capacitors on PSU and Logicboard (but i think thas more a problem of older G5).
    so any idea what else i can try or how to test the PSU?

    thanks all, hope you understand my english:)
  2. zmttoxics macrumors 65816


    May 20, 2008
    Sounds like a bad PSU, could be bad logic board too. My recommendation? Take it out back to the barn and put it down like Old Yeller.
  3. donuttakedonuts macrumors regular

    Aug 9, 2009
    yeah, unless (somehow) you still have applecare on it, it's probably a dead computer. :(

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