Apple Fixes 2023 Mac Pro Hard Drive Issue in macOS Ventura 13.5
In a support document published last month, Apple said certain SATA hard drives might unexpectedly disconnect from the 2023 Mac Pro after the computer wakes from sleep. Apple said it was aware of the issue and would fix it in a future macOS update, and the company followed through on that promise today.
Apple updated the support document today to indicate that the issue has been resolved in the macOS Ventura 13.5 update released today, so users simply need to update their Mac. The issue will also likely be resolved in the macOS Sonoma beta.
The Issue
While the Mac Pro is configured with SSD storage, it has SATA ports for connecting internal hard drives, and sometimes the drives could disconnect due to a bug.
"Certain models of internal SATA drives might unexpectedly disconnect from your computer after your Mac wakes from sleep," said Apple. "This can occur if your Mac automatically goes to sleep or if you manually put your Mac to sleep. If you see a message that your disk was not ejected properly, you can restart your Mac to reconnect to the drive."
New Mac Pro
Unveiled at WWDC last month, the new Mac Pro features Apple's M2 Ultra chip. The desktop tower has the same design as the Intel-based model from 2019, but lacks graphics card support and user-upgradeable RAM due to Apple silicon's unified architecture. Customers who do not need PCIe expansion should consider the Mac Studio instead.
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Top Rated Comments
I have a Mac Studio Ultra and a very important enclosure will not maintain a connection for more than about 3 hours, even without any sleep during that 3 hours. In fact, it "unexpectedly ejects" even when actively transferring files to/from it (so neither end is asleep).
Unhook it from Studio Ultra and hook it to old Intel Macs running macOS BEFORE Big Sur and all is fine again (same cable, same enclosure, same drives, same connection type).
* 2 Old Macs or a PC = stable connection.
* 1 "latest & greatest", "most powerful" Mac = unexpected ejections within about 3 hours.
I know this is not a problem for everyone: some enclosures (including some of my own, including one from the same brand) work just fine. But I'm far from the only one with this problem (many threads about this, identifying many different enclosures with this issue). And I've tested enough to feel very confident that this is a bug(s) in macOS (so please fans/ADF: no "redirection" posts trying to blame enclosure, cable, firmware, etc. Been there, tested through ALL of that more than a few times). Hopefully this fix for Mac Pro is actually a fix for all Macs.
I'd love to see some people not enjoying this same bug (too) chime in that this update resolved it for their (not Mac Pro) Macs.
Nice typos with MacOS version, it’s suppose to be 13, not 12.
[HEADING=2]If you see 'disk not ejected properly' on your Mac Pro (2023)[/HEADING]
If an internal SATA drive unexpectedly disconnects from your Mac Pro, update to macOS Ventura 12.5 or later ('https://support.apple.com/kb/HT201541').
Certain models of internal SATA drives might unexpectedly disconnect from your computer after your Mac wakes from sleep. This can occur if your Mac automatically goes to sleep or if you manually put your Mac to sleep.
To resolve this issue, update to macOS Ventura 12.5 or later ('https://support.apple.com/kb/HT201541').
Published Date: July 24, 2023
* $7000 machine
* Spinning disk drives
* Took a month and a half to fix