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Last modified by Drunk Monkey on 2022-12-08 12:01
From version 7.1
edited by Drunk Monkey
on 2021-11-03 08:40
Change comment: Uploaded new attachment "macos-big-sur-terminal-create-bootable-installer.jpg", version {1}
To version 7.2
edited by Drunk Monkey
on 2021-11-03 08:41
Change comment: There is no comment for this version

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2 2  {{toc start="2" depth="5" numbered="true"/}}
3 3  {{/box}}
4 4  
5 -== Downgrade Big Sur (11.x) to Catalina (10.15) ==
5 +== Downgrade Big Sur (11.x) to Catalina (10.15) via a 11.x Host Computer ==
6 6  
7 7  1. download the Catalina installer for 10.15 ( [[https:~~/~~/support.apple.com/en-in/HT201372>>https://support.apple.com/en-in/HT201372]] ) from the apple app store (8GB). After downloading, the OS will try to run the installer and fail giving an error message. Just dismiss the dialog window and continue on.
8 8  1. "createinstallmedia" via the terminal window:
9 9  11. ##sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia ~-~-volume /Volumes/MyVolume##
10 +[[image:macos-big-sur-terminal-create-bootable-installer.jpg]]
10 10  
11 11  == Disable MacBook Pro Dedicated GPU ==
12 12