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Good day. I‘m trying to change something in my Settings, and the lock asked me for my User Name and password. Before restarting, I changed my username and it didnt‘t change when I restarted. So I came to change it again but there‘s no auto input in the user name. I entered my previous username and the recent username that didn‘t change. The password is correct but the username is the problem. I need help ASAP, thanks.

Mac Pro

Posted on Nov 19, 2020 3:49 AM

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Answer 1

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BDAqua

Level 10

245,189 points

Nov 19, 2020 11:11 AM in response to Zokè

See if you can create a new administrator account by restarting the Setup Assistant:

Boot into Single User Mode: Start/restart your Mac. As soon as you hear the startup tone, press and hold ⌘ + S until you see a black screen with white lettering. (If you end up back on the login screen after a flash of the black screen with white lettering, enter your password and it will return to the black screen.)
Check and repair the drive by typing /sbin/fsck -fy then ↩ enter - as directed by the on-screen text.
Mount the drive as read-write by typing /sbin/mount -uw / then ↩ enter.
Remove the Apple Setup Done file by typing rm /var/db/.AppleSetupDone then ↩ enter.
Reboot by typing reboot then ↩ enter.
Complete the setup process, creating a new admin account.

Be very careful to notice the spaces in those Terminal Commands.

Once you've done that the computer reboots and it's like the first time you used the machine, except all your data will stile there. Your old accounts are all safe. From there you just change all other account passwords in the account preferences!!

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