I've noticed a strange electrical noise coming from my PC, but everything seems to be functioning fine. I've already replaced the power supply twice, yet the noise persists. It sounds like electricity, and it's emanating from both the motherboard and the power supply unit. It's not very loud, but I can hear it if I'm sitting at my desk. Is this something I should be concerned about?
3 Answers
It might help to share what the noise sounds like! Sometimes, hearing it can really help diagnose the issue better.
It’s probably just coil whine, which isn’t a serious issue, but it can be pretty annoying. Typically, PSUs and GPUs can cause this, but motherboards are often culprits too. If you’re lucky, it might get better over time! I noticed my motherboard's coil whine got quieter when I disabled the integrated GPU in BIOS since I'm using a separate graphics card. You could also try undervolting your components, but make sure you know what you’re doing.
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