MacBook Pro M1 "Disk Not Ejected Properly"

I have a new Mac Mini M1 and an OWC Thunderbolt Dock 4 with several LaCie Thunderbolt 2 external drives hooked up. The Mac Mini goes to sleep and a list of "Disk Not Ejected properly shows up when the computer is accessed. Will this corrupt the LaCie external drives?A fix is needed.

Posted on Aug 31, 2021 2:33 PM

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Nov 3, 2021 2:08 AM in response to keithb6363

Hi! I have a Mac mini M1, connected to a 2Tb external disk with a USB-C interface for Time Machine backups. Everything worked flawlessly with Big Sur, but something odd happened with the backup system after upgrading to Monterey. Time Machine now starts but cannot complete a single backup, giving me a long list of "Disk not ejected properly" on the left side of my screen.

As I can see in the forum (and even in entries in the developer forum), this happened before with other upgrades, and I wonder if there's a solution for this (rather common) error.


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MacBook Pro M1 "Disk Not Ejected Properly"

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