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mrfredmor_65 Author

Level 1

4 points

trouble creating bootable disk

having difficulty creating a bootable disk for MacOS Catalina using createmediainstaller command. I keep getting command not found error when using code pasted from Apple Support site

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

Powerbook

Posted on Oct 13, 2020 7:36 PM

Top-ranking reply

Barney-15E

Level 10

116,206 points

Posted on Oct 13, 2020 8:29 PM

How large is the installer you downloaded? It has to be 6+GB to use for a bootable installer.

You can generally only download that version if you are already running Catalina.

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trouble creating bootable disk

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