How to set a custom text to a Mac login screen

When you are not logged in to a user account on Mac, you will be able to see the login screen on the Mac. This login screen provides names of the user accounts created on that particular Mac and you can log in to one of them if you know that user’s login details. Along with the users’ names, the login screen also provides a text message. There is a text message provided by Mac by default on the login screen. However, if you want, you can change this text message on the login screen. To know how to do that, continue reading. There are 2 ways to set a custom text on the Mac login screen. One way is by using the system preferences and the other way is by using the terminal app of the Mac.

See also: How to lock screen on Mac

How to set a custom text to a Mac login screen

Using system preferences:

  1. First, click on the Apple icon to open the Apple menu. You will find the Apple icon on the top-left corner of the screen in the menu bar.
  2. A drop-down menu will open. From this menu, you need to click on the ‘security and privacy’ option to open it.
  3. A window titled ‘security and privacy’ will open. On this window, click on the tab named ‘general’.
  4. On the ‘general’ tab, you will be able to see a lock-shaped icon in the bottom-left corner. Beside this lock, it will be written ‘click the lock to make changes’. What you need to do is click on this lock icon.
  5. Now, a dialog box will open asking you the administrator username and password. Provide these details in the dialog box.
  6. After you have finished providing these details, click on the ‘unlock’ option in the dialog box.
  7. Check to see if the checkbox beside which it is written ‘show a message when the screen is locked’ is check-marked. If it is not check-marked, you should click on the checkbox to put a checkmark on it.
  8. Beside this checkbox, you will see a button labelled ‘set lock message’. You need to click on this button.
  9. A small window appears. In this window, what you need to do is write that custom message/text that you want to set to the Mac login screen.
  10. Now, click on the ‘ok’ button in the window.
  11. Now, you will be able to see the custom text on the Mac login screen when you are next logged out of your user account.

Using the terminal:

  1. In the Mac dock, click on the ‘launchpad’ icon. Now, you will see a search bar. Click on it and then type ‘terminal’. You will now be able to see the terminal app being displayed on the screen below the search bar. Click on this terminal app to open it.
  2. In the terminal app, what you need to do is type a command. The command is: sudo defaults write /Library/Preferences/ LoginwindowText “here, type the custom text that you want to set on the Mac login screen”.
  3. Remember to replace the “here, type the custom text that you want to set on the Mac login screen” part in the above command to the message (within double quotes) that you want on the Mac login screen.
  4. Now, just press the return button on the keyboard.
  5. It might ask you the administrator password. Provide the password and press the return button on the keyboard.
  6. You are done setting the custom text to the Mac login screen.

Revert to default

In case you want to change the text that appears on the Mac login screen to the default text instead of the custom text, you can do so too. Just follow the steps given under the ‘using the terminal’ heading in this article but in the command where you have to write a custom text within double-quotes, write nothing within double-quotes. Once you are finished with the rest of the steps, the default text will appear once again on the Mac login screen.

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