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Situation :

I have a MacBook Pro 16"

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I configured it to run with 3 more monitors like do :

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Problem :

When I reboot my Mac sometimes from sleep, it messed up all my displays arrangement completely & horribly.

After rebooted, this still happening, can someone please tell me a permanent solution how to make my display arrangement stayed permanently.

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  • It's a common issue - basically, you have to make the screens wake earlier [also never power them off while the Mac thinks they're connected, they should only ever be in standby unless the Mac is also powered down]. Sometimes it's a case of poking any button on the display just to jog its elbow a bit, then wake the Mac. – Tetsujin Dec 30 '21 at 11:29
  • btw, `/Library/Preferences/com.apple.windowserver.plist` is a kind of 'base setup' used for boot. Your own personal prefs are in `~/Library/Preferences/ByHost/com.apple.windowserver.[UUID].plist` – Tetsujin Dec 30 '21 at 11:38

1 Answers1

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Actually, I just rebooted 3 times, log out & log back in 2 times, and these steps below seems to persist my displays arrangement now.

/Library/Preferences/com.apple.windowserver.plist

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I removed write access permission from the system

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