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e.goldan Author

Level 1

4 points

i'm upgrading to os monterey - while installing goes to "null" state

Posted on Sep 4, 2022 8:08 PM

Top-ranking reply

PRP_53

Level 10

91,765 points

Posted on Sep 5, 2022 2:35 AM

If an error occurred while updating or installing macOS

There are reports appearing on the ASC Forums regarding failed installation of Monterey on older Qualifying Apple Computers. In most cases this is related to having a NON Apple Original Internal Drive ?

The EFI Boot ROM included in Monterey is verifying for Original Apple Drive and if not found , may Balk or fail to upgrade to Monterey.

Reports indicate the EFI BOOT ROM is Required to Flash the Computer and is a requirement for a Successful Monterey Installation.

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i'm upgrading to os monterey - while installing goes to "null" state

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