Disk Not Ejected Properly -- AGAIN AGAIN AGAIN AND AGAIN...

Because I have been getting the error message in the subject for quite some time, I eject (Command E) the Storeva external hard drive, I unplug it, I shut down the Mac.


When I start up I plug in the Storeva. Yet, I still get hundreds of repeating error messages, over and over almost one per minute or less: "Disk Not Ejected Properly | Eject 'Storeva' before disconnecting or turning it off."


It seems to happen after the MacBook goes to sleep.


Apple: please fix this.


MacBook Pro 13.3.1 (22E261)



MacBook Pro 15″, macOS 13.3

Posted on Apr 16, 2023 9:35 AM

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Posted on Nov 3, 2023 12:30 PM

While is good data and expected/true, the problem is wide spread across many drive manufacturers. What has happened here is Apple set a precedent in pre-Venture OSes with sleep patterns and then it changed them. LaCIE, OWC, and other drives now exhibit this problem. A large part of the problem here is that Apple removed the ability to control sleep modes -- is Sonoma on a Mac Studio there are virtually no options to control this.


Rather this has to do with Apple changing sleep behaviors in the OS that do now work well with Thunderbolt connected NVME drives, which are not considered classic removable USB 'thumb drives' drives. Apple could address this with a fix by seeing what device is mounted and control sleep of that port accordingly. If PCI-EXPRESS, then do NOT sleep the power modes. If USB, then sleep aggressively.


I have had to resort to using an application called Amphetamine (was Caffeine) and set the 'Drive Alive' mode to prevent sleep. All the problems went away. It has nothing to do with 'frayed cables' or 'drives going bad'.




85 replies

Feb 18, 2024 5:32 PM in response to Jayne De Sesa

We ordered a brand new Thunderbolt cable and still having the issues. Amphetamine worked for about a week and then the message started again. It tends to be a couple of times a day now. It's happening on a brand new M3 MacBook Pro now, but has been an ongoing issue for several versions of OSX.


We've been using an older G-Technology enclosure (Thunderbolt). Should we switch to a brand new Terramaster (Thunderbolt 3)? The drives are Seagate.

Oct 12, 2023 2:32 PM in response to Jayne De Sesa

I've got a combo of 8 drives - HDD and SSD - attached to a USB3 Anker hub and connected to my 16" M1 MBP via USBA3/USBC cable. I had no problems while running Monterrey, ever. I recently switched to Ventura 13.5.2 and have been getting the "Disk not Ejected Properly" error ever since. It is rather unpredictable in that sometimes the error applies to all external drives, sometimes just some of the drives, but almost always the Crucial X6 when opening the laptop / waking from sleep. And like the OP, often the message is repeated, although only a few times. Oddly, I also sometimes get the error message after waking even though the drives were intentionally ejected before sleep.


It seems odd that the cables would have just "gone bad" at the exact same time I switched to Ventura, or that Ventura somehow found a problem with the cables that Monterrey did not. It does seem fair to assume it is a problem with Ventura.

Oct 24, 2023 2:49 PM in response to bdvirginia

All I can say is that a week after following instruction from Crucial to move my Crucial drive to a different Thunderbolt port on my MacMini 2018 I have not had any more Disk Not Ejected Properly messages. What they said, the problem also might originate with other connections, either a cable or a Hub. I'd suggest it's worth trying or at least complaining to the manufacturer of the drive that's giving you problems.

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Disk Not Ejected Properly -- AGAIN AGAIN AGAIN AND AGAIN...

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