Help! I Noticed a Spark at the Back of My PC, What Should I Do?

January 9, 2026 3 answers
Asked by GamerGuru73
I was gaming on my PC when it suddenly shut down. I figured it might have overheated, so idiotically I turned the power supply unit (PSU) off and on again. Then, I saw a white spark and heard a bang from the back of the computer. I unplugged everything and haven't tried to turn it on since. My guess is that I might have broken the PSU, but I'm worried if other parts could be damaged too. What do I do now?

Answers

SafetySally88
It really depends on how well your PSU was protected. I recommend checking against a PSU tier list online to see how itโ€™s rated. If itโ€™s on the lower end, you might have some issues with other parts, unfortunately.

GamerGuru73: I checked and mine is in the E tier... does that mean I'm in trouble?

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FixerFrankie
Yes, it's a real concern that something else could have been damaged. Itโ€™s hard to know for sure until you check everything out. Just be careful when you start testing things again!
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TechieTim123
It's definitely possible that other components might have been affected, especially if your PSU wasn't great. What model are you using?
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