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iMac keeps shutting down and overheating

My iMac 2015 21.5" Retina keeps shutting down after suddenly heating up. Most of the time it can run resource-intensive processes but sometimes it will fail running basic videos on Youtube. CPU heats up to 50-60C plus.

Attached is the error log from the iMac after restarting and an Etrecheck report. Please help



iMac 21.5″, macOS 10.15

Posted on Jul 22, 2021 2:46 AM

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1 reply

Jul 22, 2021 3:21 AM in response to someone125

Welcome to Apple Support Communities.


Notes:


  • No Time Machine backup It is very important to have a backup.


However, it appears that "Major Issues" are cut-off from the report. Please make sure nothing is listed under "major issues". Also, please re-run a NEW report, making sure that "Full Disk Access" is enabled so we can see diagnostic information.


-Jack

iMac keeps shutting down and overheating

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