I need help reinstalling Big Sur
how do I reinstall Big Sur on my MacBook Pro m1?
MacBook Pro (2020 and later)
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aronski21 Said:
"I need help reinstalling Big Sur: how do I reinstall Big Sur on my MacBook Pro m1?"
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Reinstall How?
Are you looking to (A)reinstall the macOS, or (B)reinstall the macOS anew?
A. Reinstalling the macOS:
Go Here: How to Reinstall macOS from macOS Recovery - Apple Support
Important: First, Back Up your Mac:
Create a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong with the reinstall. Take this as a learning experience, knowing to always create a backup of your Mac, prior to making any major changes to it (i.e. update installation)
or...
B. Reinstalling the macOS Anew:
See if this Site Helps: How to Reinstall the macOS Anew - No TMB Prior to Upgrade - User Tip. Format the hard drive with Big Sur, on step D.
In Depth:
Pretty much, it is a matter of:
- Erasing: and formatting your hard drive to APFS
- Installing: Big Sur via a USB Bootable Installer
- Restoring: info from a Time Machine Backup, using Migration Assistan