Monterey running on iMac 27 inch late 2015 model

I am thinking of upgrading to Monterey on my 27 inch iMac late 2015 model.


Is anyone else using Monterey with the 27 inch iMac late 2015 model?


Are there problems or is this a bad idea to upgrade now?


iMac 27″, macOS 11.7

Posted on Jan 22, 2025 10:05 AM

Reply
5 replies

Jan 22, 2025 10:35 AM in response to swaha5

For me macOS 12 Monterey was more stable than macOS 11 Big Sur.

see > Update macOS on Mac - Apple Support


If you're iMac is currently having any issues or low on disk space, then you need to fix those before upgrading.

If you need help looking for and sorting out problems.

Download and run the free version of EtreCheckPro, from > https://etrecheck.com/en/index.html

Then post your Report, as per > How to use the Add Text Feature When Post… - Apple Community


EDIT: I started to post to this in the iMac forum and it took me 10 minutes to be able to post after it was moved here....

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Monterey running on iMac 27 inch late 2015 model

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