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After upgrade I can’t reboot. Locks up!!!

Update to 10.13.6 locking up and I

cant reboot

iMac 27″, macOS 10.13

Posted on Nov 17, 2020 3:16 PM

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Posted on Nov 17, 2020 3:34 PM

Hold power button in until it shuts down.


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode?


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.



6 replies
Question marked as Best reply

Nov 17, 2020 3:34 PM in response to Mary Utley

Hold power button in until it shuts down.


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode?


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.



After upgrade I can’t reboot. Locks up!!!

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