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Can't boot w/ Install disk.

3537 Views 14 Replies Latest reply: Jan 5, 2010 11:22 AM by BDAqua RSS
Russ Johnson Level 1 Level 1 (0 points)
Currently Being Moderated
Oct 26, 2009 5:29 PM
On my older iMac G5 (1.9GHz) my system password got corrupted (teenaged boys?) and I couldn't find my original system disks. So I got a replacement install disk from Apply (matched to my serial number). The computer will not boot from the CD. The only CD I've been able to boot from is TechTools but it doesn't have a password reset utility. Anybody got any ideas have I can go about resetting the password?
MacBook, Mac OS X (10.5.8), also iBook, PowerBook, iMac (2)
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Oct 26, 2009 5:41 PM (in response to Russ Johnson)
    Hi Russ, and a warm welcome to the forums!

    Reset OS X Password Without an OS X CD...

    http://theappleblog.com/2008/06/22/reset-os-x-password-without-an-os-x-cd/

    It'll boot like a newly setup Mac, but all your stuff should still be there once filling out the stuff with a new username.
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Nov 19, 2009 4:17 PM (in response to Russ Johnson)
    Sounds like either RAM or Hard Drive problems, either can prevent booting.

    Boot off your Install Disk while holding down the *d key*, (not c key), then run the extended Apple Hardware Test. Some disks require you to use the Option key at bootup to select AHT.
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Nov 22, 2009 7:27 PM (in response to Russ Johnson)
    Hold the Mouse button down whilePowering up, that should eject it.

    Also, you can hold the Option/alt key down at the same time to give you boot options.
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Nov 24, 2009 9:52 AM (in response to Russ Johnson)
    Try the original Install Disc for that exact computer, then just hold the Option key down at boot... does AHT show then?
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Nov 24, 2009 11:32 AM (in response to Russ Johnson)
    Hmmm, pointing a little bit more to some kind of Hardware problem, does Techtool still run & say OK?
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Jan 5, 2010 11:22 AM (in response to Russ Johnson)
    Thanks for the report Russ!

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