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Hard Disk won't show / Monterey

Made an update on my "new" iMac to Monterey. Since then my Hard Disk, which I used as Backup, won't show up/not accessible. It does show up on my old computer. So it's not the cable or the Hard drive.

Erased it with disk utility on my old computer. But connecting it to my new one still doesn't work.

Thanks

iMac 27″, macOS 11.0

Posted on Nov 17, 2021 1:30 AM

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Posted on Nov 17, 2021 5:38 AM

If you're using TimeMachine for backup, the format must be APFS (Case-sensitive). Did you use that?



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Hard Disk won't show / Monterey

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