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Level 1

32 points

Creating a macOS Monterey bootable USB

Hello all,

I have a 15inch 2017 MBP. I have upgraded my MAC to macOS Monterey. I feel my laptop is a bit sluggish and going to give it to my son for his use. I now want to do a fresh install of Monterey instead of continuing with the upgrade. I'm unable to create a bootable USB as when I download the macOS from the APP store, it automatically quits after download with an error screen since it is already in Monterey. Can someone help me here to create a bootable USB?

Posted on Nov 7, 2021 11:38 PM

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Matti Haveri

Level 6

14,454 points

Posted on Nov 8, 2021 1:42 AM

https://support.apple.com/en-us/HT201372

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3 replies

Best reply

Matti Haveri

Level 6

14,454 points

Nov 8, 2021 1:42 AM in response to arjuuns

https://support.apple.com/en-us/HT201372

Nov 8, 2021 1:16 AM in response to arjuuns

I was able to download the installer app using the Terminal command.

softwareupdate --fetch-full-installer --full-installer-version 12.0.1

I then erased and formatted a 32GB USB stick with name Untitled in HFS+ format and ran the following in Terminal.

sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled -- /Applications/Install\ macOS\ Monterey.app

PRP_53

Level 10

84,499 points

Nov 8, 2021 2:14 AM in response to CheviotView

Good work there, keep it up.

This one work for me and like yourself, the Untitled at end of command is the name given to the Destination Drive

sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled

Creating a macOS Monterey bootable USB