Question What is happening?

Mar 20, 2022
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Quite a while ago, I started hearing an electrical sparking noise or something like that, thing I never heard before. I moved the PSU cable a bit and it stopped, then it started again and again, never ending. It's been 3-4 weeks now with the same problem and now my PC also freezes randomly when that sound starts, also buttons like Restart/Power button don't work. Any idea of what that could be?
I'll leave my PC specs over here:
Proccesor: Intel Core i5-9400F 2.9 GHz Coffee Lake Socket 1151 v2
Graphics card: GTX 1660 OC 6G
Motherboard: ASUS PRIME B360-PLUS
SSD: Patriot Burst 960GB Sata-III 2.5 inch
RAM: HyperX Fury Black DDR4, 8G 2666 MHz
PSU: Segotep SG-600B 500 Watt, 80+ Bronze