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iMac crashes at least weekly, thoughts? (1 Viewer)

John Dirk

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Apple does have a reputation for departments siloing themselves away from other departments who are developing for the same platform. To be fair though, my Windows PC at work crashes about half the time when resuming from the company-forced screensaver.

I never intended to turn this into a MAC vs PC discussion. Sorry if it came across that way. That said, what you're experiencing seems different to me in that Dave's issue is almost certainly the fault of Apple's Catalina OS, whereas yours might very well be attributable to 3rd party software.
 

John Dirk

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I spoke too soon, kinda. My iMac has seemingly crashed in the middle of the latest OS update. I’m leaving it until tomorrow. Maybe magic elves will fix it while I sleep.

That sounds like a separate issue, which is what I think you're also saying. The random crashes seem to have stopped, correct?
 

JohnRice

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That sounds like a separate issue, which is what I think you're also saying. The random crashes seem to have stopped, correct?
The most likely cause of that is probably a drive problem, would you think? Maybe a failing drive.
 

Clinton McClure

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I never intended to turn this into a MAC vs PC discussion. Sorry if it came across that way. That said, what you're experiencing seems different to me in that Dave's issue is almost certainly the fault of Apple's Catalina OS, whereas yours might very well be attributable to 3rd party software.
No worries. I’m sure my issue stems from one of the myriad number of new unnecessary software bits the IT department pushes out every few weeks. I wish I could turn off the screensaver on my work PC because it’s a PitA but group policy will not let me because IT doesn’t trust end users to press Windows-L and lock their computers before leaving them. After observing other employees just walking away and leaving their PCs unlocked until the forced screensaver turns on, I gotta agree with the IT department.

With the number of issues reported online of Macs crashing in similar ways as Dave’s, it probably is an OS bug with the sleep or power nap feature, which is why I don’t use them on my Mac. Years ago when I exclusively used windows at home, I experienced similar issues, BSOD, and other random weirdness associated with sleep and hibernate so I stopped using those features. I guess the point I’m making is I have seen the same behavior out of both Mac and PC and found that using sleep / hibernate / etc... just isn’t worth the hassle and you’re much better off not using them.
 

John Dirk

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The most likely cause of that is probably a drive problem, would you think? Maybe a failing drive.

Certainly possible. Could also just be a bad patch. I'm really scratching my head with MAC reliability, something I never knew was an issue before this thread.
 

JohnRice

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FWIW, I manage all the Macs at work, plus at home and my parents’, and I have very few problems. I have not done the latest OS though, since it does seem to be a bit twitchy. In my experience, failed updates have always been a failing drive. But I also install the update on a flash drive and use that to update.
 

DaveF

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I spoke too soon, kinda. My iMac has seemingly crashed in the middle of the latest OS update. I’m leaving it until tomorrow. Maybe magic elves will fix it while I sleep.
All’s well that ends well :)

I did a hard reboot, and basically it came back fine. The upgrade was successful despite having frozen on the progress screen. And no crashes so far today since.
 

Johnny Angell

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All’s well that ends well :)

I did a hard reboot, and basically it came back fine. The upgrade was successful despite having frozen on the progress screen. And no crashes so far today since.
That is just weird. You’d think an OS update freezing would be the kiss of death. It would seem the update continued even though the screen display indicated no progress. Perhaps waiting overnight gave it plenty of time to finish the update. If you had done the reboot shortly after the screen freeze, that might have been another story.
 

DaveF

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That is just weird. You’d think an OS update freezing would be the kiss of death. It would seem the update continued even though the screen display indicated no progress. Perhaps waiting overnight gave it plenty of time to finish the update. If you had done the reboot shortly after the screen freeze, that might have been another story.
Yeah, I was preparing to spend the day restoring from backup. And that is why I left it alone overnight — that and having learned not to jump into computer problems end of day when I’m exhausted. :)

I think the upgrade proceeded correctly, but the status screen was locked. A weird situation, I’ve never seen before. But it was fairly minor ultimately.
 

DaveF

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iCloud tabs weren’t syncing so reboot my iMac to trying and get it fixed.

my iMac hasnt been able to restart since. It’s crashing and hanging again on boot. I’ve gone into the Command-R recovery system, and am trying to reinstall Big Sur for the second time.

this just sucks

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DaveF

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Trying to figure out what if anything to do to be ready in case iMac is near death -- hopefully PRAM was problem that past year, but ???

My main "gap" is SuperDuper isn't BigSur compatible yet so my SD clone is stuck on Catalina, right before BigSur upgrade. Thinking of swtiching to CCC and overwriting the SD backtup to get updated with current BigSur. In case I have to buy a new computer and want to easily recover from a clone. (TimeMachine is up to date, but I have a little more confidence in a simple clone than the weirdness that is TM.)
 

John Dirk

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Too much MAC specific terminology for me to be sure what's going on but this does not sound like a hardware problem and so should be recoverable. The problem is, you really should let an Apple support professional restore it at this point and that's just not an easy thing to accomplish these days. Sounds like you've got a good current backup, which is likely the best you can do for now.

Hope you get this permanently resolved soon. Maybe it's part of the 2020 curse. :(
 

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