If your Mac is asking you for your iCloud login, or Apple ID, then read about what to do if you forget your Apple ID password here.
Unfortunately, the only way to change this setting is to log onto your Mac.
Press the Delete key, then click Delete References.
Select the account you do know the password.If you were able to reset your password with the Reset Password assistant, log in to your account using your new password.If they (or you) know the password to another account for the Mac you can bmw k1200s repair manual use this account to reset your password.Here plus two english textbook is what to do if you've forgotten your Mac password and can't log on, can't install apps, or can't make changes in System Preferences.Enter the new Password, Verify fields and Password hint field.That said, you don't have to use your Apple ID password to unlock your Mac.Click on the, apple icon in the upper left corner of the screen.Only an admin account can do that.Enter your current Mac login password.Tick the box for Allow user to reset password using Apple.If you still can't log in If you still can't log in with your password, contact Apple Support for help.
Click, then enter the admin name and password again.If you just changed that password and the new password isn't working, try the old password first.Your account password and login keychain password now match again.There are some steps you can take to protect your data though.Select the account you have forgotten the password for in the sidebar.If it's been a while since you changed your Mac's login password (or if you never have now is a great time to.Click the lock to prevent further changes.Log in with the name and password of the other admin account.Do you share the Mac with another person, and do they have their own account?