Mac OS: How To Set A Lock Screen Message

I don’t setup new laptops often enough to remember how to add a message to the lock screen on Mac OS, so I’m leaving a reference here for it. Apple has a support page describing the steps. Just in case that page goes away, the steps are:

– Go to System Preferences and click on Security & Privacy.
– Click on the lock icon in the bottom left corner, provide your username and password.
– On the General tab enable “Show a message when the screen is locked”.
– Click on Set Lock Message.
– Type in your message, then click OK.

This is an easy way to leave a note on the screen about who to contact if your laptop is lost.


  1. Great tip.

    My usual technique is low-tech: I tape a business card to the bottom of the laptop. Bonus point for the airport security line and quick visual.

  2. josephscott

    Wed 1 Aug 2018 at 8:01 am

    In the past I’ve used a label maker to put contact info on the bottom of a laptop.

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