macOS Monterey 12.7.6 won't install on my iMac

I'm running Monterey 12.7.2 on a 2018 iMac. I have tried numerous times to download and install the latest update for Monterey. All seems to be done correctly with restarts. When it looks like it is finished, I still see 12.7.2 as the OS. Have others had this problem? Should I just update to OS 13 and forget about it? Do I try to install in safe mode? Thanks


[Re-Titled by Moderator]

iMac 21.5″ 4K, macOS 12.7

Posted on Aug 19, 2024 12:12 PM

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Question marked as Top-ranking reply

Posted on Aug 22, 2024 9:13 AM

Check out System Report>Software>Installations.


n 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.


Are you running any VPN, Anti-Virus, or Cleaning apps?


We need to see what all is running, a report from this will not display any personal info...

Using EtreCheck - Apple Community


EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info. Give it Full Disk Access.

https://www.etrecheck.com/


Give etrecheck Full Disk Access before running.


Thanks for Old Toad’s etrecheck instructions…

Slow iMac 2017 - Apple Community


As I recall the cure was uninstalling AV ware & reinstalling the OS.

43 replies
Question marked as Top-ranking reply

Aug 22, 2024 9:13 AM in response to g8orlvr

Check out System Report>Software>Installations.


n 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.


Are you running any VPN, Anti-Virus, or Cleaning apps?


We need to see what all is running, a report from this will not display any personal info...

Using EtreCheck - Apple Community


EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info. Give it Full Disk Access.

https://www.etrecheck.com/


Give etrecheck Full Disk Access before running.


Thanks for Old Toad’s etrecheck instructions…

Slow iMac 2017 - Apple Community


As I recall the cure was uninstalling AV ware & reinstalling the OS.

Sep 26, 2024 8:21 AM in response to Jodes1976

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.



Are you running any VPN, Anti-Virus, or Cleaning apps?


We need to see what all is running, a report from this will not display any personal info...

Using EtreCheck - Apple Community


EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info. Give it Full Disk Access.

https://www.etrecheck.com/


Give etrecheck Full Disk Access before running.


Thanks for Old Toad’s etrecheck instructions…

Slow iMac 2017 - Apple Community


Aug 24, 2024 11:29 AM in response to BDAqua

Looks like my disk is too bad to fix. Using Recovery Mode-Disk Utilities-First aid, it came out as having failed. I guess I only have three options: Erase the disk and start over, go to an Apple store and have them fix it or get a new Mac. Mine is 7 years old now so maybe it's time. The only issue is if I get a new Mac and transfer data from the cloud or time machine, I'll still get apps that I don't want or shouldn't have like all the anti-virus apps. I've attached a pic to see if what I'm saying is right.

Aug 19, 2024 7:26 PM in response to g8orlvr

There is no 2018 iMac, so not sure if you have a 2017 or 2019. Only relevant because the 2017 can go to Ventura and the 2019 to Sonoma (and maybe it will support Sequoia too...haven't looked at that supported model list)


Some safe mode troubleshooting is certainly worthwhile to figure out and maybe solve whatever issue is preventing the update form installing. But after that is sorted, I'd upgrade regardless. Monterey is about to go to security patch-only support when Sequoia comes out this fall.

Sep 26, 2024 8:47 AM in response to Jodes1976

Hi Jodes1976...You probably need to do what I did which was to run your Mac in Recovery mode..use the utilities...do first aid and find out if you have a problem with your disk. I found that my disk was corrupted. I would have had to erase everything and start over then uninstall the apps dealing with malware, virus protection etc and hope that the OS could then be upgraded. At least you were able to remove the antivirus apps. I couldn't even do that and even if I did a complete erasure there was no guarantee that my disk still wasn't corrupted. I figured that since my Mac was 7 years old, it was time for a new one. I think I would have only been able to upgrade the OS to 13 at most with my 2017. With your 2015 you are at the end, too.


Have you used AppCleaner to totally remove the apps in question? There may be some hidden gremlins that are keeping you from updating completely.

Aug 21, 2024 7:09 AM in response to Old Toad

Hi Old Toad... I did try to install 12.7.6 in safe mode...no luck. Then I decided, what the hey..I'll just update to Ventura. I also was in safe mode. Nope. I seem to be stuck in 12.7.2.


My Mac is a 2017 (purchased in early 2018) and although g_wolfman gave me some good info, when I told him that I'm still stuck, he really didn't have any other suggestions. So please, Mr. Toad, what should I do now? I know Ventura is the last OS that I'll be able to upgrade to, but I can't seem to get out of Monterey. Not only have I tried in safe mode, but I have hardwired my keyboard, removed any other accessories and have used a hardwired mouse. Any help would be appreciated. Thanks.

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macOS Monterey 12.7.6 won't install on my iMac

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