Log on as another user or administrator
How do I log on as another user I’m locked out of my MacBook and I recently changed the administrator name
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Hatingnewapp wrote:
How do I log on as another user I’m locked out of my MacBook and I recently changed the administrator name
I would not recommend changing the Admin name...it typically does not end well.
ref: Change the name of your macOS user account and home folder
If you have a time Machine backup the easiest thing to do is restore
Restore your Mac from a backup
Restore your Mac from a backup - Apple Support