Is it possible to completely hide the menu bar on an external monitor? I'm using my laptop with a projector, and while I can set the desktop background to completely black, the menu bar is still there. Even in dark mode there is still text. I would like to avoid showing any desktop UI if the presentation (Keynote) exits.

1 Answer 1


I think it's possibly 'Displays have separate Spaces' in System Prefs > Mission Control.
I've had that switched off since it was added to prefs, & only have a menu bar on my main monitor.

I don't want to switch it back to test, it messes things up ;-)

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  • Turn it on to see you have the correct answer, then turn it back off. You won't mess anything up. ;-)
    – IconDaemon
    Commented Mar 24, 2015 at 13:53
  • @IconDaemon I have so many pre-designed Spaces in use, I don't dare ;)
    – Tetsujin
    Commented Mar 24, 2015 at 13:55
  • 1
    I don't want the wrath of @Tetsujin on my head if it does mess up. Well played.
    – IconDaemon
    Commented Mar 24, 2015 at 14:01

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