Problems installing macOS Monterey 12.6.5

It downloads, appears to install, and reboots; then it goes into a loop on the sign-in page. The cursor appears and disappears and the screen alternates between the default system screen and black. It flashes through pretty quickly--insuffiicient time to type in my password or easily click the Restart or Shut Down button.


I have tried this twice. The late 2014 Mac Mini is running macOS 12.6.4, has 16 GB RAM, and 202 GB hard-drive space available.

Mac mini, macOS 12.6

Posted on Apr 11, 2023 10:29 AM

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2 replies

Apr 12, 2023 02:55 AM in response to pgm1

Part 1 of 2


There are no known Windows-like Viruses in the wild that self replicate and affect macOS, because of the underling UNIX  Foundation and Permission Limitation. 


Additionally, in macOS 11 Big Sur, macOS 12 Monterey and macOS 13 Ventura. 


The Operating System resides in a Sealed and Read Only Volume that can not be opened by the User nor by Third Party Applications.


The only Entity that can open and modify or alter this Volume is Apple.


That would occur when a update or UpGrade is performed.


The Only thing this Antivirus software is protecting is the Bank Account of the Developers and for zero return to the User aside from the problems this software creates.


AntiVirus Developers purposefully Market their product to create a “ Fear Factor “. In so doing, creating a False Need for their Product.


The The Built in Security  is all that is required to protect the computer.


Part 2 of 2


Any Third Party Applications that will interfere with the normal operation of the OS,  is an invitation for disaster.


Any of the below should be removed as per Developers Instructions 


Third Party Security Software 


Intego AntiVirus


Read some of the posting and arrive at your own conclusions.

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Problems installing macOS Monterey 12.6.5

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