24" iMac Powers Off when Case is closed

Discussion in 'iMac' started by stereocilia, Feb 17, 2011.

  1. stereocilia macrumors newbie

    Mar 17, 2009
    Check this out.
    I have a youtube video that shows how to replace your imac hard drive.
    This user has issues getting the mac to power on when the case is 'closed' or attached.
    He made a video and posted it to show his problem:

    Any ideas?
  2. chris98vf macrumors regular


    Mar 3, 2010
    that's easy, something is touching a hot wire to ground, hard thing though is finding where. I would take the front panel off and look at all of the points where the aluminum goes into the case. Look for stray wires, wires that may have had the insulation stripped off, and possible loose screws that either aren't all the way in or actually out all together. Good luck and let us know what if anything you find.
  3. Johnf1285 macrumors 6502a


    Dec 25, 2010
    New Jersey
    Something might be touching the fan in the front preventing it from moving. Had a similar thing happen to me on a newer model. Nothing a little thick insulated electrical tape couldn't fix!
  4. stereocilia thread starter macrumors newbie

    Mar 17, 2009
    The user replied on youtube:

    Hey man, thanks for all your help. Got the case issue figured out. There was an obscure little wire that was being pinched at the bottom of the computer, down by the cooling fan, which, when the case went in all the way, was causing it to ground out. Touchy!

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