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Should I do something to prepare time machine? Last time I got message that time machine had been created on the earlier OS and could not be opened!

How do I convince time machine to open the external hard drive backup? Last time the pop-up said that time machine had been prepared with n earlier OS than the one just installed effectively deleting that back-up!

MacBook Pro 13″, macOS 10.12

Posted on Sep 26, 2021 7:24 PM

Top-ranking reply

BDAqua

Level 10

245,435 points

Posted on Sep 27, 2021 8:27 AM

Hi,

Time Machine - Troubleshooting B5. Would you like to inherit (or re-use) the backup . . . ? (oldtoad.net)

Time Machine - Troubleshooting B6. "Reconnecting" to your backups (oldtoad.net)

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Should I do something to prepare time machine? Last time I got message that time machine had been created on the earlier OS and could not be opened!

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