i have log in problems with MacOS 10.13.6 High Sierra on an otherwise terrific 15" MBP of 2011 but I cannot get in!
It has worked for years but crashed more than a year ago and has since been to the Recovery System Cmd R or Cmd shift R or Cmnd Option R more than once and the problem is always the same - the Log in PW and username have been forgotten. I can set up new ones try as I may - even the route through my Apple ID doesn't help - the hints don't change and the new Log in PWs don't work.
Any advice?
Colin
MacBook Pro 15″, macOS 10.13