There was an error message about reinstalling my iOS. It seemed that the easiest was to shut the computer down and reboot as a First Step. However, now it will not open back up. All I get is the white apple logo with nothing happening beyond that.
[Re-Titled by Moderator]
iMac 27″, macOS 12.7
Start up from macOS Recovery
Option-⌘-R
Upgrade to the latest macOS compatible with your Mac.
In Disk Utility>View, select Show all Devices, highlight the top left entry.
Run Disk First Aid on all items in the left panel, from top down.
Any news???
Thanks for trying. I did as you instructed but hit a dead end. Turns out my hard drive died. Thanks
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Aw, geez... it still could be useful by getting an external sSd to boot from.
I am unable to start my iMac running macOS Monterey with error message about reinstalling my macOS
