How can I use two screens to display one window

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How can I use two screens to display one window

Before Ventura (and Before Mevericks), MAC OS allowed you to use two screens (next to each other) in order to display one (big) window of one application.

That would mean that a window would start on your left screen en would continue on the right screen.

With Ventura, however, this not possible any more. The window of the application can only be seen on ONE of the screens (i.e. the left one).

Can any one tell me whether I've missed certain options or how to adjust my settings in order to get this feature back?

Mac mini, macOS 13.4

Posted on Jun 29, 2023 2:01 PM

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Answer 1

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Servant of Cats

Level 8

40,613 points

Jun 29, 2023 10:47 PM in response to berryamin

Web searches suggest the following:

In order to span windows across multiple displays, you need to uncheck the Mission Control preference Displays have separate Spaces.
In Ventura, Mission Control preferences are under the Desktop & Dock area in System Settings.
After you change this setting, you may need to log out and back in for the change to take effect.

Spaces is a feature that lets you set up multiple desktops, so I'd guess that if you select Displays have separate Spaces, the system is set up to treat each display as being largely isolated from the others.

Work in multiple spaces on Mac - Apple Support

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Answer 2

berryamin Author

Level 1

4 points

Jun 30, 2023 1:54 PM in response to Servant of Cats

Hi,

thanks for this feedback. Unfortunatelly, the behaviour is still the same. VLC, for example, goes to left or right screen, while the other side gets black. Same with youtube video in fullscreen using any browser.

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Answer 3

berryamin Author

Level 1

4 points

Jul 3, 2023 2:02 AM in response to Servant of Cats

Hello,

the same happens for any application, when put in fullscreen mode, one display goes all black. On the other, the application is fullscreen. So in fullscreen, one display is totally lost ... I manage to extend any window accross two displays, no issue, until I try fullscreen, which leads to the black display issue.

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Answer 4

Jun 30, 2023 3:40 PM in response to berryamin

I notice that you only mention video players. What about still content?

Also, wouldn't full screen mode be incompatible with extending a window across multiple monitors?

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How can I use two screens to display one window

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