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Up to date September 29, 2025: Apple launched the macOS Tahoe 26.0.1 replace. In line with the discharge notes, “This replace offers vital bug fixes, safety updates, and resolves a problem that prevented some customers from upgrading to macOS Tahoe on Mac Studio (M3 Extremely, 2025).” The article under was initially posted on September 17, 2025.
When Apple releases main updates to its working methods, we right here at Macworld often advise individuals to carry off for a number of days earlier than putting in, simply in case. Although this time, following the discharge of macOS Tahoe final Monday, we didn’t really feel as cautious as we did previously, as a result of the betas have been actually steady. But it surely appears to be like like we must always’ve heeded our previous recommendation.
The Apple Help Neighborhood has a thread concerning the M3 Extremely Mac Studio and customers who can’t set up macOS Tahoe. In lots of cases, customers run the set up and all the things appears to maneuver alongside properly, however when the Mac reboots (which is required when updating macOS), the system launches into macOS Sequoia, not Tahoe.
Ken Gruberman, who writes The Tech Daddy Substack, encountered this drawback when making an attempt to put in Tahoe on his personal M3 Extremely Mac Studio. He informed me through e-mail that he spent the “higher half” of a day making an attempt to do the set up within the inner SSD, in addition to on an exterior drive.
Gruberman and the Apple Help postings level out that the problematic Mac Studios had Sequoia 15.7 put in; Sequoia 15.7 was launched on Monday, together with Tahoe. Evidently through the set up, Tahoe is in search of a driver however fails to search out it, leading to a failed set up. Different posts within the thread state that different methods of performing an set up (resembling in Protected Mode or with an installer on an exterior USB drive) additionally failed.
A submit within the thread states that Apple Help Europe is conscious of the issue and is engaged on a repair. Apple PR was contacted for remark and didn’t reply on the time of this posting.
If the problem is certainly tied to the Sequoia 15.7 replace, that would clarify the way it was not caught earlier than each updates had been launched. Apple typically follows up main releases with level updates to repair these points. M3 Extremely Mac Studio homeowners who up to date to Sequoia 15.7 and haven’t up to date to Tahoe but ought to wait till such an replace is obtainable. Customers who tried to do the set up however failed can take some solace in that the Mac reverts to Sequoia and continues to be usable.
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