macos catalina keeps restarting my computer

Since I installed macOS Catalina 2 days ago on my new imac 2019, every time I return to my computer after more than a few hours of it being asleep, it has been restarted and I get the error message, you computer was restarted because of a problem, ive attached the report


iMac Line (2012 and Later)

Posted on Oct 9, 2019 11:04 AM

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Posted on May 14, 2020 2:05 AM

Hey @poil66, I had the same problem not knowing why then it came to my mind I upgraded my RAM to 128Gb and used RAM modules from different companies a absolute no go. So I took out 64Gb now I have left 64GB in my iMac from the same company. Never had a Crash again.

107 replies

Mar 28, 2020 7:59 AM in response to poil66

This seems to be a common problem. See other threads about this. Both my MacBook Pro (2014) and my i9 iMac (2019) which is a month old is doing this. Restarting in sleep and error message. I keep sending it to Apple, maybe one day they will sort it out.

I have no fix for this. Tried resetting, safe mode, various key combinations etc. Does not seem to help.

Catalina seems to be faulty....?

Apr 15, 2020 7:50 AM in response to dbgfede

Latest update 10.15.4 seems to have helped slightly. I'm getting less restarts it seems. Haven't noticed any "xyz needs permission" popups anymore so at least that's something.

Only major annoyance right now is that my laptop is mostly docked and on some mornings it won't wake up no matter how hard I mash on the external keyboard or mouse. I need to remove the laptop from the dock, open it and press the power button. In majority of those cases I am again greeted by the notorious "restarted due to a problem" message, but the "doesn't wake up" thing seems to be a separate issue and the update may not be the safest also as outlined here -> https://www.tomsguide.com/news/nasty-macos-flaw-is-bricking-macbooks-dont-install-this-update


If anyone is wondering - I'm not using any fancy docking stations, it's just a thunderbolt to 2x hdmi adapter + a basic usb-c to usb-a adapter for the peripherals. The restarts are also happening without any accessories connected, just my desk setup isn't the greatest right now, so getting the laptop out from the jumble of wires and opening it to turn it on is a slight pain


@dbgfede hope the reinstall works for you, but from what I've seen in other threads it seems to be a 50/50 shot, so I'll just bite the bullet and keep hoping for some update from Apple. It hasn't impacted my work and I haven't lost any files (yet) so right now this whole thing is just a slight annoyance/ritual each time I open the laptop.

Apr 19, 2020 9:47 PM in response to Merthade

@DesignStunt; @Merthade; you're right, once again the same issue this morning "Your computer was restarted because of a problem" ..Today 20 Apr 6:21panic(cpu 0 caller 0xffffff8019291b2c): Sleep transition timed out after 180 seconds while notifying clients about upcoming system capability changes. Suspected bundle: com.apple.iokit.IOGraphicsFamily. Thread 0x74.

Backtracing specified thread.... -

It's sad. While Apple "takes note", will return the MBP 16.


@DesignStunt; @Merthade; @GreenBadger; thank you for support. Will keep following this thread.




Apr 23, 2020 8:16 AM in response to poil66

Thank you to everyone who reported their problems. I was concerned I was getting the restarts because I’m on an older machine, but seeing that brand new ones have the same problem gives me a little reassurance. I came here after having my machine restart on me for no reason right in the middle of work. Frustrating beyond belief. I’m going to explore downgrading to Mojave since it sounds like some people have had better luck with that.

Jun 27, 2020 9:50 AM in response to poil66

10.15.5 and still the sam problem.

I have noticed a few things though.

The restart only happen whe doing something in iMovie, like, exporting a movie.

I updated iMovie to latest but no luck.

However, if I do other works, like browsing internet, during the movie is exporting, there is no restart.

This is not a parmanent solution, but seems like it wants me to keep doing something continuously. If I leave it idle, BAM!

Oct 12, 2019 2:04 PM in response to poil66

Hello poil66,



Thanks for that info and for choosing the Apple Support Communities. If I understand correctly, you are having an issue with your iMac restarting unexpectedly and you get a popup message that it restarted because of a problem. To help with this, please follow the relevant steps in this Apple resource, like the steps to check your software and hardware:



If your Mac restarted because of a problem



Cheers!

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macos catalina keeps restarting my computer

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