I was just browsing on my PC when I suddenly heard a loud pop sound that I could even feel through my desk. Interestingly, my PC didn't shut down and I didn't smell any burning or smoke. After hearing the pop, I thought it might be a blown capacitor, so I shut down the PC, turned off the power supply unit (PSU), and unplugged it. I haven't turned it back on yet, but it was working fine right before I powered it down.
I checked the motherboard but didn't see anything unusual, and I can't really look inside my PSU. Just before the pop, I unplugged and replugged a data cable on my Cyberpower UPS, which is also connected to my PC. I also experienced some brownouts earlier, but my UPS handled it like usual. The weather has been really hot here at around 40°C (104°F), although the airflow seems good and the temp readings are normal. My PC is about 5 years old, with a new CPU (upgraded from a 5600X to a 5700X3D) and a newer GPU (RX 9070 from RTX 3070). I have a SeaSonic FOCUS GX-750W Gold PSU and a Gigabyte B550 Aorus Pro motherboard. I'm confused about what to do next. Should I consider returning the PSU, or should I look for something else?
1 Answer
First, look up pictures of blown electrolytic capacitors and check your motherboard and PSU for any visible signs. Just don't open the PSU to check inside as it can be dangerous. If your PC is still running fine, it might just keep working, since not all capacitors are critical. If you have a warranty, definitely take advantage of it. Also, if the sound was loud, it might have been something arcing in your UPS.
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