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I want to install Big Sur on an external drive to boot from it. I formated the drive with the GUID partition map scheme but when I try to install Big Sur, I select the drive and it says the volume is not compatible with this upgrade. The external drive is a LaCie Rugged 500GB Thunderbolt USB-C.
Any clues?
MacBook Pro
GUID partition scheme is not enough. It requires being Formatted as APFS and not HFS ( Journaled ). Verify and if required re-format the external drive accordingly and try again
GUID partition scheme is not enough. It requires being Formatted as APFS and not HFS ( Journaled ). Verify and if required re-format the external drive accordingly and try again
Volume not compatible with this update
