Problem updating to MacOS Monterey

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Level 1

11 points

Problem updating to MacOS Monterey

I am currently on MacOS Mohave (10.14.6) on a MacBook Pro, and am trying to upgrade to MacOS Monterey. I am able to download the update and run the installation. However, when the installation finishes and the computer restarts, I get an error message that says: "Storage system verify or repair failed.: (-69716)." The only option is to basically reboot back into 10.14.6. I thought maybe the download was corrupted somehow, so I removed it then downloaded the update again and re-installed. Unfortunately, I got the same error when I tried to restart. Any ideas on what this error is and how to fix it?

MacBook Pro 13″, macOS 10.14

Posted on Mar 2, 2022 6:55 AM

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Answer 1

Mar 2, 2022 7:03 AM in response to jarau

Boot into recovery and run Disk Utility repair disk. If anything gets fixed, run it again.

Do you have a Trusted disk-based backup on hand? you may need it soon.

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Answer 2

Mar 2, 2022 8:34 AM in response to jarau

You need to get settled and find that backup or create a new one. Or even two.

What needs to happen next is to ERASE your drive (which will delete ALL your files), but will restore your Volumes to working condition so that they can pass Disk First Aid. Then you will be able to re-install or upgrade MacOS, then restore your files from backup.

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Answer 3

jarau Author

Level 1

11 points

Mar 2, 2022 7:25 AM in response to Grant Bennet-Alder

Thank you. I booted into Recovery and ran FirstAid in Disk Utility. Unfortunately, it said the process failed, and didn't seem to fix whatever the error is. Any ideas on how to proceed from here? I do have a backup somewhere, but I am in the process of moving and don't currently have access to the disk where I have the backup.

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Problem updating to MacOS Monterey

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