iMac freezing and crashing

Question

iMac freezing and crashing

My 2020 iMac 27" 3.6 GHz 10-core i9, 128Gb RAM, Radeon Pro 5700 16Gb

keeps on freezing then shutting down.

It's happening when I'm on a live stream or Zoom meeting mostly, or when I'm mastering on FCPX. Never crashes at any other time.

I thought it was an OBS issue to begin with, because there are lots of reports of crashes on that, but it's happened twice when just using Zoom recently. My business relies on live streams and Xoom meetings. Help!

I've just used Clean My Mac before writing this. I'm not expecting that to cure it, but it didn't detect any malware.

Online forums suggest a CPU or GPU overuse, but this is a high spec machine so shouldn't have any trouble with video, graphics or sound. When I bought it, it was the basic model with only 8Gb of RAM and I maxed it out. Is that a problem?

I still have Catalina because Cubase are still saying they've not fully tested their app for Mojave yet.

Any ideas. Etrecheck report attached

Etrecheck report

iMac 27″, macOS 10.15

Posted on Feb 22, 2021 7:43 AM

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Answer 1

rkaufmann87

Level 10

148,500 points

Feb 22, 2021 7:44 AM in response to Skatz the Singer

The best antivirus, cleaning app, and overall maintenance app for Mac OS is Mac OS itself. All you need to do with Mac OS to keep it secure and running well is to keep it up-to-date and do periodic (about 1x per week) restarts. Other than that, leave it alone. Adding third party antivirus, cleaning, security and other types of maintenance apps to Mac OS adds no additional level of security. The only thing these apps do is have the opposite affect users want. They make Mac OS slow, unstable, generate odd behavior (much like you are experiencing) and make Mac OS appear buggy.

Please locate the developers uninstall instructions for CleanMyMac and follow to the letter. Then restart in Safe Mode per the directions in Use safe mode to isolate issues with your Mac and then restart normally.

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Answer 2

rkaufmann87

Level 10

148,500 points

Feb 23, 2021 7:41 AM in response to Skatz the Singer

You have nothing to lose by following the advice, CMM adds no benefit to your system. It does NOTHING that Mac OS already does and in many cases modifies Mac OS so it has odd behavior much like you are experiencing.

You can use uninstalling CMM as a starting point and then test, if the problem continues then there is something else that can be looked for.

Up to you though of course.

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Answer 3

Feb 23, 2021 7:59 AM in response to rkaufmann87

Your advice has nothing to do with the problem, as I said, this problem is ongoing long before I installed CMM.

I need to know why the computer is freezing up and shutting down, how can CMM possibly have caused it if it wasn't installed when the problems happened????????

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Answer 4

Feb 23, 2021 2:01 AM in response to rkaufmann87

Well that’s the most unhelpful answer I’ve ever had. The clean up app isn’t the issue, I clearly said I’ve only just got the thing and the problem has been happening for a while.

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Answer 5

Feb 23, 2021 8:01 AM in response to Skatz the Singer

Perhaps if someone can read the Etrecheck and give me some solutions that would be great. Surely someone can do that

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iMac freezing and crashing

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