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The long-awaited refresh of the popular Mac mini. Processor options include 3.6 GHz quad-core Intel Core i3, 3.0 GHz 6-core Intel Core i5, and 3.2GHz 6-core Intel Core i7 processors.

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Crash/ boot loop after ram upgrade

I recently upgraded to 64GB ram on my 2018 Mac mini. After the install, everything booted up and worked great.

Could see the new ram cards displayed in the about this Mac section, so I thought everything was great.

However, I’ve been experiencing persistent system crashes and forced reboots, which usually result in a boot loop that doesn’t resolve itself. I’ve tried booting in various modes. Resetting PRAM. All the usual steps for a Mac with booting issues. There is a noticeable “whooshing” noise associated with these crashes and boot loops when the system tries to reset. In my standard workflow, the system would freeze and then reboot into an endless loop. It’s intermittently happening, and I unplug all cables and wait for the unibody to cool down. Sometimes it works, and sometimes it doesn’t. The only thing I haven’t done is reinstall the stock ram cards.

Could this be a symptom of the system overheating? I may look into additional cooling options, but all my research told me these ram cards were compatible with my Mac and now i’m over here scratching my head after a purchase that I thought would improve my workflow. Any advice would be greatly appreciated. Thanks!

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No, your issue is not a cooling issue.

I would take the SO-DIMM’s you put in out and put the original ones in. Is the system stable then? If it is you got some bad RAM or you didn’t fully seat them.

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If that were the case, would the computer boot at all? It’s been working fine for weeks after the ram upgrade.

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@Justin - That even points more heavily to a bad SO-DIMM then. All it takes is one memory cell to fail to knock you. Trust me you've got a bad SO-DIMM here.

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Dang, that's a bummer. I replaced the ram with what came stock, and it booted back up and also gave me an alert about a kernel panic, and something being disabled in my preferences to reduce the risk of that issue persisting. I'm not sure what ifixit's policy is for stuff like this, but a non-functional $400 ram kit isn't what I was hoping for. Thanks for the advice!

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