rcarrtect

Q: computer won't start.  tried unplugging and holding in start button.  After about a half hour and unplugging a few times, finally got it going.  Happen to anyone else?   Imac G5

computer won't start.  tried unplugging and holding in start button.  After about a half hour and unplugging a few times, finally got it going.  Happen to anyone else?   Imac G5

iMac, Mac OS X (10.5)

Posted on Jun 21, 2012 10:58 AM

Close

Q: computer won't start.  tried unplugging and holding in start button.  After about a half hour and unplugging a few times ... more

  • All replies
  • Helpful answers

  • by Kenichi Watanabe,

    Kenichi Watanabe Kenichi Watanabe Jun 21, 2012 1:41 PM in response to rcarrtect
    Level 8 (39,326 points)
    Mac OS X
    Jun 21, 2012 1:41 PM in response to rcarrtect

    If this problem recurs, it could be a problem with the PRAM battery, if it has never been changed.  A weak or dead PRAM battery can cause odd startup issues.

     

    Hopefully, your iMac's SMU (power management) just needed to be reset, which sounds like what you did.

     

    http://support.apple.com/kb/HT1767

  • by -Rotten Apple-,

    -Rotten Apple- -Rotten Apple- Jun 22, 2012 5:37 AM in response to rcarrtect
    Level 1 (45 points)
    Jun 22, 2012 5:37 AM in response to rcarrtect

    I recently had a PC which had similar issues. When it was cold, it took couple attemps for it boot and after that it worked without any problems. Problem was capacitors, when they fail or are near total failure they might still work when they warm little bit (same thing sometimes applies to solder connections under chipsas they expand in heat and might form connection again) and this was the case with that PC. After replacing them all was back to normal.

     

    I would check capacitors.