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Mac randomly changes display arrangements on its own.

How do you prevent the macos from occasionally changing or resetting the display arrangement on its own upon waking up or a reboot?

Posted on Sep 26, 2020 7:50 AM

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Posted on Sep 26, 2020 8:03 AM

Go to Apple > System Preferences > Mission Control > un-check "Automatically rearrange spaces" and "Displays have separate spaces" to see if that helps.


FWIW I have a couple of different Mac's with dual displays and I run those with all of the Mission Control boxes un-checked.

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Mac randomly changes display arrangements on its own.

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