Edit: it was the heat after all, as a few suggested. I didn’t think a laptop less than 2 years old would already have thermal paste and putty going bad, but it did. New paste and putty and it’s back in action. Thank you to the team for their help.
I installed Bazzite Debian this morning, updated everything, installed a few productivity apps, then went to download my games from Steam. Within a few minutes, the laptop would crash all the way out without warning. Powering back up boots normally and I can do updates, check email, whatever, then when I open Steam, it crashes anywhere from instantly to a few minutes.
So far, I have tried running Steam before update, installing both stable and beta, updating the bios, ensuring bios settings matched install instructions. None of this helps.
System specs: Asus ROG Strix G17 Gaming Laptop G713PV
AMD Ryzen 9 7945HX Mobile
RTX 4060 Laptop
16GB (2x 8GB) DDR5 SO-DIMM
2x 2tb NVMe m.2 SSD
This is frustrating. I really liked the idea of an immutable OS for the wife and kids to use, but I am beginning to have doubts. Hopefully it’s something simpleish.