Can't log in to MacBook Pro
I Can not log in to my MacBook Pro, HELP
OS Sierra MacPro
I Can not log in to my MacBook Pro, HELP
OS Sierra MacPro
Change or reset the password of a macOS user account - Apple Support
It would be helpful if you indicated the EXACT model/year of your MBP and the current OSX. Also indicate what steps you have tried.
Ciao.
Can't log in to MacBook Pro