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os 10.5 has not admin account

404 Views 3 Replies Latest reply: Apr 1, 2012 11:07 AM by BDAqua RSS
Tom Nelson Level 1 Level 1 (5 points)
Currently Being Moderated
Mar 25, 2012 7:06 AM

Hi - recently upgraded my PPC Powerbook to OS 10.5.4 from 10.4.  Somehow what was formally my administrator account is a "standard" account.  I have no administrator account.  I cannot unlock any of the system preferences panes.  I cannot start-up from the OS Install disc.


I'm stuck.  The computer will not let me do anything, moving in finder, deleting, etc.


Any suggestions?


Tom Nelson

PowerBook, Mac OS X (10.5.4)
  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Mar 25, 2012 10:35 AM (in response to Tom Nelson)

    Hi Tom, what happens when you try to start from the Install Disc?


    Boot up while holding the Option/alt key down until you see the boot manager, do you see this...


    Firmware password protection in Mac OS X ...



    It would block usage of all the startup keys, like C, N, T, D, CMD+s, CMD+Option+p+r, CMD +v, Option, and Shift, as well as booting from anything but the Hard Drive.

  • BDAqua Level 10 Level 10 (114,670 points)
    Currently Being Moderated
    Apr 1, 2012 11:07 AM (in response to Tom Nelson)

    Force Removing Password Protection


    1) Add or remove DIMMs to change the total amount of RAM in the computer.


    2) Then, the PRAM must be reset 3 times. (Command + Option + P + R).



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