Did a kernel upgrade in Fedora yesterday. Rebooted today. Wouldn’t boot, had errors. Rather than simple reboot, I decided to shut the whole machine down, then turn it on again. Now it’s dead.
Guess I’ll try swapping the power supply first. If that doesn’t work, sounds like a motherboard or CPU problem.
[Update a few minutes later]
Aaaaaaand, I can’t find any spare supplies. Have to run over to Fry’s to buy one, that probably isn’t the problem…
[Update after returning from Fry’s]
Welp, before I opened the new PS, I tried firing it up again. It booted without complaint. I guess I scared it with the new PS. #HappyHalloween
Seriously, though, it’s probably still a symptom of an incipient problem, probably from overheating.