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can't upgrade from my iMac Pro retina 5K 27" late 2015 to MacOS Monterey -apple says its compatible

I have iMac Pro - iMac retina 5K 27" late 2015 Big Sur- macOS Big Sur Version 11.2.3. 8 GB installed 899.17 gb available of 1.02TB

Want to upgrade to MacOS Monterey 12.7 - 12.4 GB

Tried several times and it will not upgrade.

Plese help

iPhone 5c, iOS 10

Posted on Oct 9, 2023 9:02 AM

Reply
Question marked as Top-ranking reply

Posted on Oct 10, 2023 11:43 AM

Try upgrading in Safe Mode, as per > If an error occurred while updating or installing macOS - Apple Support

3 replies

can't upgrade from my iMac Pro retina 5K 27" late 2015 to MacOS Monterey -apple says its compatible

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