HT2173: iMac G5: Troubleshooting when your computer won't turn on

Learn about iMac G5: Troubleshooting when your computer won't turn on
Yeswola

Q: Gray screen with a question mark

iMac will not turn on and it has face with a question mark

iMac G5 (20-inch Ambient Light Sensor), iOS 5.0.1

Posted on Dec 27, 2012 6:16 AM

Close

Q: Gray screen with a question mark

  • All replies
  • Helpful answers

  • by edex67,

    edex67 edex67 Dec 27, 2012 7:02 AM in response to Yeswola
    Level 4 (3,250 points)
    Dec 27, 2012 7:02 AM in response to Yeswola

    This means that either:

    1. The operating system is missing from the iMac's hard drive. You will need to restore your system from the grey discs that came with your Mac.
    2. The hard disk is damaged. In this case you will need a new hard drive. Once you or a specialist has installed it you can then restore your system using the grey discs.