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Help! My PC Keeps Restarting Under Heavy Load

January 9, 2026 3 answers
Asked by TechWhiz2010
I've been having some trouble with my PC lately. It restarts unexpectedly when I'm playing games like Overwatch or running stress tests with Furmark. I think it might be linked to my GPU since the problem only occurs during these heavy loads. I've only seen a BSOD once, but it's restarted without any errors around a dozen times. The temperatures get pretty high—around the 80s, with hotspots reaching the 90s—but everything else seems to be running fine. Here are my specs: Windows 11, B760 GAMING X AX motherboard, a 13th Gen i5-13600KF CPU, GTX 1080 GPU, 32GB of DDR5 RAM, and an EVGA SuperNOVA 650 P2, 80+ PLATINUM 650W PSU. This issue started about two weeks ago. I have already done a full reinstall of my drivers. I'm considering pulling the GPU out and reapplying thermal paste, but I don't think the temps are the main issue. I'd like to think it's a power supply or software problem, especially since I was about to hand the 1080 over to my roommate when I upgrade. Any help would be greatly appreciated!
GPU issues Hardware Overwatch PC restart PSU problems stress test troubleshooting

Answers

GamerGuru87
It sounds like your power supply unit (PSU) might be having some issues, especially since it’s getting old. If the PSU is failing, it could cause random restarts under heavy load. You might want to check how old it really is. Also, you can test your PSU using a multimeter or try a different PSU if you have one lying around. Just make sure to back up any important data before making any changes!
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BitsAndBytes4Ever
I had a similar problem with my GTX 980ti. It worked fine until I pushed it too hard, then it would restart. It turned out the GPU couldn't handle the load because it was underpowered. You might want to see if your GTX 1080 is functioning properly under stress and consider checking the wattage needed versus what your PSU can provide.
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HardwareHacker101
Before jumping to conclusions, you should collect some dump files from your system. They can give you clues about what’s causing the BSODs. Check in C:WindowsMinidump for those logs, zip them up, and upload them somewhere we can access. Multiple dump files are best for a thorough analysis.
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