Clean install MacOS Big Sur using a bootable drive

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emmablo Author

Level 1

4 points

Clean install MacOS Big Sur using a bootable drive

I erased my MacBook Air 2018, in order to clean install Mac OS Big Sur, from a bootable drive.

the problem I am facing is that, when I try installing from my bootable drive, it goes into internet recovery mode.

Is there a way I can bypass this and install directly from the usb drive.

Responses will be greatly appreciated.

Thanks.

Posted on Nov 24, 2021 2:06 AM

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Answer 1

Nov 24, 2021 11:04 AM in response to emmablo

Are you holding down the "option" key when booting? If the external drive was created correctly, it should show up as an option to select. If it is not showing up, the bootable installer was not made correctly.

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Answer 2

ku4hx

Level 7

23,676 points

Nov 24, 2021 5:58 AM in response to emmablo

I understand using a local drive, but internet recovery works well. Is there a particular reason you don't want to use it?

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Clean install MacOS Big Sur using a bootable drive

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