While running the stress tests I started suspecting it might have something to do with the RAM. I tried both ram sticks separately and they seemed to work, except for slot A2, which struggled with even booting. Will try different combinations and report back with more findings.
Ahh forgot, I've added them to the main post now.
I personally didn't find any of the temperatures out of place but, here are some GPUz logs from when the gaming started to when the crash happened.
View: https://imgur.com/a/SGu6zbj
A brand new PC crashes in a peculiar way, with the screens staying on but frozen. This happens hours into intensive use (gaming). It will then reboot itself after some 30 seconds of being in a frozen state. Sometimes it will fail to boot and retry up to 2-3 times before rebooting succesfully...
Thank you!
We might try to look into this CH341A BIOS programmer then if there's no other ideas. Do you have any good materials or videos that would guide on how to use this device? Never heard of it before.
Also the motherboard does have dual bios right? I might be misunderstanding but...
So, my friend returned from a 3-week vacation today, only to find that his PC won't post. Only fans spin, and the CPU LED lights up red. DRAM, VGA and BOOT lights remain off, which should mean they're fine. Everything worked fine before he left, and he had unplugged the computer before leaving...