macOS · Personalization

Configure Lock Screen Settings on Mac

Lock Screen settings control when your Mac requires a password after sleep or screen saver, how long it waits before locking, and what's shown at the login window — all central to protecting your Mac from casual tampering or unauthorized access.

How to open Lock Screen

  1. Open System Settings → Lock Screen.
  2. Set how long before the display turns off, on both battery and power.
  3. Choose how soon a password is required after sleep or screen saver starts.
  4. Adjust login window options, like showing or hiding the user list.

What you should know

  • Choose exactly how soon a password is required after the display sleeps or the screen saver starts.
  • Login window options let you show a list of users, or hide it and require typing a name and password.
  • You can control whether password hints, restart/shutdown buttons, or other users appear at the lock screen.
  • Lock Screen settings also govern how quickly the display dims and turns off when idle.

Setting 'Require password' to anything other than 'immediately' leaves a window of time after sleep where your Mac can be accessed without authentication.

Why it matters

Lock Screen settings are the practical front line of physical security for your Mac — they determine the actual window of time someone could pick up an unattended Mac and get in before it locks. On a shared or family Mac, hiding the user list and disabling restart/shutdown buttons at login also reduces the chance of accidental changes by someone who isn't you. Combined with Touch ID or a fast password entry, a strict Lock Screen setting adds real protection with very little day-to-day inconvenience.

Best practices

  • Set 'Require password' to 'immediately' on any Mac that leaves the house or is used in shared spaces.
  • Hide the list of other users at the login window on a shared family Mac to reduce accidental account switching.
  • Pair a strict Lock Screen timeout with Touch ID (if available) so re-authenticating stays fast despite the tighter security.
  • Disable the option to shut down or restart from the login window on Macs where only you should have that control.

Common problems and fixes

Mac locks so quickly it interrupts presentations or media playback.
Temporarily extend 'Turn display off' timing before a presentation, or use Presenter Overlay/keep-awake features in the presentation app instead of changing the permanent Lock Screen setting.
Password prompt takes several seconds too long to appear after waking the Mac.
Check that the Mac isn't waking from a deeper sleep state, and confirm no delay is set under 'Require password' beyond 'immediately'.
A shared Mac's login window doesn't show the account you expect.
Check whether 'Display login window as: Name and password' is enabled instead of a user list, which hides all accounts until a name is typed manually.

Tips and tricks

  • Combine a fast lock timeout with a corner-triggered hot corner to lock your screen instantly with a single mouse movement.
  • Use Command-Control-Q as a keyboard shortcut to lock your Mac's screen instantly, without waiting for any timeout at all.

Frequently asked questions

What's the difference between display sleep and Lock Screen settings?

Display sleep just turns off the screen to save power, while Lock Screen settings control the separate password requirement that determines whether the Mac is actually protected once it wakes back up.

Can I require a password immediately but still allow a short display-off delay?

Yes, display sleep timing and password requirement timing are configured independently in Lock Screen settings, so you can have a longer screen-off delay with an immediate password requirement.

Does Touch ID replace the need for a password?

No, Touch ID is a faster way to authenticate but your Mac still has an underlying password, which you'll be asked for after a restart or if Touch ID fails a few times.

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