2020 iMac with second monitor crashes

I've been using my 2020 iMac as a primary machine and recently connected a 27" LG monitor as a secondary. It's been working fine. All of a sudden the entire system began crashing so I'm thinking it has something to do with my installation of Sonoma/ 14.1. Any thoughts on that?

iMac 27″, macOS 14.1

Posted on Nov 22, 2023 04:11 PM

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Nov 23, 2023 07:11 AM in response to robmark1966

Helo, 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.

https://www.etrecheck.com/


Thanks for Old Toad’s etrecheck instructions…

Slow iMac 2017 - Apple Community


Use the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck. In a Reply before you click post, look for this to add longer texts...

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2020 iMac with second monitor crashes

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