Mojave Random Restarts when PC is idle

Been working away at setting up my Optiplex 7050 Micro for a few days now. I've gotten it mostly working aside from the usual wifi/bt, wake/sleep, etc.

I've been having a couple odd problems though. When I reboot, I'll always get a message saying it didn't shut down properly and/or that the computer forced a restart.

Also and more concerning is that it actually does force restart at times. It's happened to me twice in the past couple days I've been working on it. I've never experienced it while actively using it, but if I leave it idle for a few hours, I'll come back to see it has restarted itself.

I've all but ruled out hardware failure/fault as before the project of Hackintoshing it, it's been running solid for over a year under various Linux distributions without and similar issue.

submitted by /u/khuul_
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