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forgot password

336 Views 1 Reply Latest reply: Jan 28, 2013 10:17 AM by Kappy RSS
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Jan 28, 2013 10:16 AM

forgot password to mac mini what to do ?

Mac mini, OS X Mountain Lion (10.8)
  • Kappy Level 10 Level 10 (220,950 points)
    Currently Being Moderated
    Jan 28, 2013 10:17 AM (in response to SBEH)

    Forgot Your Account Password

     

    For Snow Leopard and earlier

     

         Mac OS X 10.6- If you forget your administrator password

     

    For Lion/Mountain Lion

     

        Boot to the Recovery HD:

     

    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

     

         When the menubar appears select Terminal from the Utilities menu.

         Enter resetpassword at the prompt and press RETURN. Follow

         instructions in the dialog window that will appear.

     

         Or see Reset a Mac OS X 10.7 Lion Password and

         OS X Lion- Apple ID can be used to reset your user account password.

     

    If you cannot do the above then try this:

     

      1. Boot to Safe Mode by restarting and after the chime press and hold down the COMMAND-S keys until a black screen with white type appears.

     

      2. At the prompt, type the following commands pressing return after each command line:

     

         /sbin/fsck -yf

     

         If you do not receive a "Filesystem OK" message then repeat this command until

         you do.  If after seven tries you still do not receive a "Filesystem OK" message,

         then the system is corrupted and needs to be reinstalled.

     

         mount -uw /

         cd /private/var/db/netinfo

         mv local.nidb local.old

         rm ../.AppleSetupDone

         shutdown -r now

     

    The second-to-last command above will cause OS X to think that the operating system is newly installed, and when the new owner starts up the computer it will send him/her to the startup wizard where he/she can start a new user without reinstalling.

     

    This last method does not actually change a password. It simply removes the user accounts and lets you create an initial admin account as if the computer were new out of the box.

     

    How to reset the OS X password without a startup CD:

    Reboot into Single-user Mode. Enter the following and press RETURN after each command line

     

       1. Type fsck -fy

       2. Type mount -uw /

       3. Type passwd <username>

     

    I have never tried this method myself.

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