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epicfaace/gist:cb2aec76a7b8fac79c46087fd6d8cbac

Created May 20, 2021 19:50
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mac unmount unreadable disk
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gistfile1.txt
diskutil list
diskutil unmountDisk force /dev/DRIVENAME
diskutil eraseDisk FAT32 NEWNAME /dev/DRIVENAME
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big sur install from bootable usb:

softwareupdate --fetch-full-installer

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

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epicfaace commented May 27, 2021 •
edited

diskutil unmountDisk force /dev/disk2
diskutil eraseDisk HFS+ NEWNAME /dev/disk2

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