This PC Giving me Current Shocks

Aug 5, 2024
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My PC has been giving me current for like 10 days. (Rainy season going on too) It is a low voltage shock, kindof like a 3 volt. Comes from the case, the HDMI. I opened it up for cleaning today and I think I found the culprit. The 3 RGB fans on my PC are connected by a small ANT Esports thing htat has ports for 10 fans, and it is connected to the psu via a wire.
But the RGB lights on the front of the case and one fan that came with the case, both came with the case, are connected by those round type connectors, old type, those which were used in the Hardrives in older times. So I feel some current when I touch those connectors, Even if the PC is off. There is a little voltage going on there.

And to add to it, the fan isn't working. It is only connected to the power but doesn't run anymore. I did not realise it until now, because this fan is placed infront of the case and is not visible unless you really want to. It worked before though.

So this PC has been around for like 3 years, I made it myself. Case is ANT esports ICE model, closed from front and having RGB lights at the front. PSU is high quality 450 watt 90+ certified, umm it is from coolermaster. Bronze rating.
Core i5 3470
GT 1030
12 GB RAM