Why does my new gaming PC keep shutting down while playing?

May 14, 2025 3 answers
Asked by TechWhiz45
I recently built a gaming PC with a Ryzen 7 7800X3D and a 9070 XT, and it was running smoothly until it randomly shut off during gameplay. I just tried playing another game and experienced the same issueโ€”shutting down shortly after I launched it. This only seems to happen when I'm playing demanding games, along with streaming YouTube. I'm at a loss for what could be causing this problem. Any suggestions?

Answers

VoltWatch9
You might want to run a stress test on your GPU with a tool like OCCT. Keep an eye on the power rail voltages during the test. If the 12V rail dips below 11.5 during stress, that's a big red flag for your PSU.
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GamerDude33
Sounds like it could be an issue with your power supply. If you can, let us know the wattage and brand of your PSU. A lot of times when a PC shuts off under load, it's a sign that the power supply is struggling to keep up.
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BuildMaster73
It does sound like a PSU issue, but also double-check that all your components are properly seated and plugged in. Sometimes a loose connection can cause shutdowns too.
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