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reset admin password w/o discs?

556 Views 4 Replies Latest reply: Feb 17, 2013 2:22 PM by miktoxic RSS
miktoxic Level 1 Level 1 (5 points)
Currently Being Moderated
Feb 17, 2013 8:38 AM

ok, so i'm a mac geek. i've got 2 g5s and a g4 quicksilver in the closet. i live in an apartment building and the other day someone had left a g4 in the community area up for grabs. it's a lot nicer than the g4 i have in the closet and it has some interesting software installed on it that i've never even heard of before. the person was obviously a professional photographer because of the software and the amount of personal info he left on the HDs.


well anyways i went ahead and deleted all of his personal stuff and all of the freeware and trial software he had on the dock. but here's the prob: i want to install some of my own personal software onto this computer that i have license to for multiple installs. but what keeps getting in the way is the fact that he was the admin account user (actually there are 2 accounts, one for him and another for someone else) and to install or make any changes the admin account adminstrator pops up and asks for the password of course of which i have no idea.


i've looked on the web and there are posts of people after rebooting holding the command and s keys down and getting into the initial bootup code. but they always show their code as reading


:/ root#


well mine reads


localhost:/ root#


and it won't allow me to follow the code instructions given by the posters.


and i don't have an old 10.4 install disc to boot to. what i do have is a 10.2 disc which i tried to boot to by holding down the c key while booting but it keeps going to the startup screen with the 2 account users window.


anybody got any clues to what i can do? any help would be greatly appreciated!


thanks. -tim.

g4 and g5, Mac OS X (10.5.5), os 9.2.2
  • BDAqua Level 10 Level 10 (114,685 points)
    Currently Being Moderated
    Feb 17, 2013 11:22 AM (in response to miktoxic)

    What happens when you hit enter at that prompt?

  • Texas Mac Man Level 8 Level 8 (44,210 points)
    Currently Being Moderated
    Feb 17, 2013 2:15 PM (in response to miktoxic)

    Here's the instructions if you have the discs.

    Mac OS X: Changing or resetting an account password


    Changing your administrator password


    Here's one method to reset the password without the install disc:


    1. boot computer and hold the "apple" key and the "s" key.

    2. wait for terminal show

    3. release keys

    4. type without the quotes: "/sbin/mount -uaw"

    5. press enter

    6. type without the quotes: "rm /var/db/.applesetupdone

    7. press enter

    8. type without the quotes: "reboot"

    9. press enter


    This will let you create a new admin account when you reboot your computer.


    Also, without the discs, look at Mac OS X Tip - No Password, No Root, No CD? No Problem.


    Here is a way to get around not knowing the admin password on Macs.


    To reset your OS X password without an OS X CD you need to enter terminal and create a new admin account:


       1. Reboot

       2. Hold apple + s down after you hear the chime.

       3. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):

              * mount -uw /

              * rm /var/db/.AppleSetupDone

              * shutdown -h now

       4. After rebooting you should have a brand new admin account. When you login as the new admin you can simply delete the old one and you’re good to go again!


     Cheers, Tom


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