How to Turn Off Password Login on Mac Mojave Your Mac's countersign is used for many different purposes. In addition to assuasive you lot to log in to your user account, it allows you lot to unlock the screen when it has automatically locked. It besides allows you to enable privileges for apps detailed in the Security & Privacy pane of System Preferences. You can't disable the password completely. However, y'all tin fix your Mac upwardly so that you don't demand to type in the password every time you unlock the screen. Hither'southward how to turn off the password on your Mac. How to remove the login countersign on your Mac The login password is useful where multiple people utilize your Mac or where you use your MacBook in a public setting. Still, if you take a desktop Mac and are the just person who uses it, you don't really need it.