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Apple Computing Products:
macOS - Operating System
Downgrading from Catalina to older os.
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<blockquote data-quote="MacInWin" data-source="post: 1836332" data-attributes="member: 396914"><p>Really? If you boot from an external drive, invoke Disk Utility, Show the entire drive and erase it that won't resolve the problem? That is stunning, if true. And if it is, it's surprising that diskutil can do it. </p><p></p><p>You can't change it if you are booted from the drive, of course, but if you boot from something else, it's just a drive and you should be able to do whatever you want.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1836332, member: 396914"] Really? If you boot from an external drive, invoke Disk Utility, Show the entire drive and erase it that won't resolve the problem? That is stunning, if true. And if it is, it's surprising that diskutil can do it. You can't change it if you are booted from the drive, of course, but if you boot from something else, it's just a drive and you should be able to do whatever you want. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Downgrading from Catalina to older os.
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