Is there a way to prevent the second monitor to turn black when an application in the first monitor is made full screen? I have this problem in Mac.
1 Answer
Yes there is (And if you use a Mac, I also believe that there is enough information on the issue to answer the question).
Just go to System Preferences > Mission Control and check the option that says "Displays have separate Spaces".
That solves the issue on one monitor going black when there is an app on fullscreen mode in the other.
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3Note that relogging is required for this to work. "Requires log out" is visible on the screenshot you're linking to, but not in the settings dialog I'm actually getting.– MorawskiApr 8, 2016 at 9:41
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17Note that turning on "Displays have separate Spaces" prevents application windows from spanning more than one screen. You cannot have that and useful full screen on multiple monitors at the same time. OS X's multi screen/monitor/desktop and full screen implementation choices are fundamentally broken. A window manager add-on that does "manual" vs native full screen like Divvy is a reasonable workaround if the app doesn't have "special" full screen behavior you need.– MetaxisJul 25, 2018 at 1:08
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1My Firefox on macOS 10.14.6 will full-screen only on one monitor/display even if
Displays have separate Spaces
is unchecked (and I prefer to keep it unchecked per the above issues that @Metaxis mentions above). No other web-browser can do this, on my system anyway. Sep 22, 2020 at 23:49 -
6I do not really see this as a solution. I do not want to have separate spaces on different displays. I just do not want my 2nd screen go black if the first one has fullscreen app.– scarfaceMar 20, 2022 at 20:55
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2Seven years later and this is still an issue, are there any solutions to this besides enabling "Displays have separate spaces"?– Alex SDec 4, 2022 at 18:17