Tried to update operating system from High Sierra Monterey. No nothing works as it stops with less than one minute to go and freezers. I can’t open in safe mode. What do you suggest?

I tried to operate system upgrade to Monterey from High Sierra. Will not load and freezers at less than a minute remaining. Computer will not open in safe mode. Does anybody have any suggestions.

iMac 21.5″, macOS 10.13

Posted on Mar 29, 2022 01:21 PM

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Posted on Mar 29, 2022 02:49 PM

I managed to get to a reboot with control r. I then reloaded Monterey and started to install and again froze at less than a minute remaining.I’m leaving it for an hour or so to see if it finally takes this time. Thanks for your input it was helpful.

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Tried to update operating system from High Sierra Monterey. No nothing works as it stops with less than one minute to go and freezers. I can’t open in safe mode. What do you suggest?

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