How to Reset a Lost Password on a MacBook (7 Steps)

Log out of your user account. Click on the 'Apple' menu, then scroll down to 'Log Out.' Click the blue 'Log Out' button when the confirmation window asks if you are sure you want to quit all applications.
Log in with the system administrator account and password. Choose 'System Preferences' from the 'Apple' menu. Select 'Accounts' from the 'View' menu. Click on the padlock icon. Enter the password for the administrator's account.
Click on the username whose password you want to reset, then click 'Change Password.' Type a new password in the 'Password' text box, then type it again in the 'Verify' text box. Create a hint to help you remember it next time, if desired.
Click 'Change Password.'
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