PC Stuck in BIOS Loop After Overheating โ€“ Need Help!

July 6, 2025 2 answers
Asked by TechWhizKid42
Hi everyone! I'm having some trouble with my PC after it overheated during a game. I was updating shaders when it got super hot (my bad for keeping the case closed). Suddenly, I got a blue screen and then the bootup screen, but there were vertical color lines on the display. After giving it a break and trying again, I had to switch to a different HDMI slot to get a signal, but now it's stuck in a BIOS loop with no color lines appearing. Here's what I've tried so far: reseating all the components, cleaning and reapplying the thermal paste, updating the BIOS, and fiddling with different boot settings between UEFI, CSM, and Legacy. My specs are: PRIME B350-PLUS motherboard, AMD Ryzen 5 5600x CPU, Radeon RX 6750 XT GPU, 32GB Kingston RAM, and an MSI 23.6" monitor. The CPU temp is 48C and the motherboard is at 34C. I'm a newbie to PC building, so any straightforward advice would be really appreciated! Thanks!

Answers

MonitorMaster24
Just to double-check, are you using a 4K TV? Sometimes that can cause issues with compatibility and lead to BIOS loops. If it's not a TV, that's good because it rules out a common problem!

TechWhizKid42: Nope, I'm using an MSI monitor. I'll add that detail to my post.

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GamerGuru88
You might want to try booting from a USB device to reinstall Windows. Sometimes a corrupt installation can cause these loops, and a clean install could help you out. Itโ€™s worth a shot!

TechWhizKid42: I tried booting from USB, but unfortunately, reinstalling Windows didn't fix the issue.

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