- Turn on Mac
- Hold down COMMAND + R keys during startup to enter RECOVERY MODE
- Once in Recovery Mode, click UTILITIES, then TERMINAL
- Once Terminal opens, type: resetpassword
- Press ENTER
- Close Terminal and you will see a window behind it.
- Select the User Account from the list
- Type in your new password twice, and a hint
- Click SAVE
- Restart the Mac
When you login again, use the new password. A message will appear that the Keychain cannot be unlocked. You will need to click CREATE NEW KEYCHAIN