troubleshooting electric shocks coming from my pc (long and weird story)

Thank you for the suggestion. I went around the house armed with a multimeter and an old lcd monitor. I chose to use this monitor as a guinea pig because it got some exposed screws (?) on the back that I can easily test with the multimeter. Turns out that all of the outlets in the house are giving the same symptoms, only differing in how much voltage it "leaks" ( if that's the correct term). There is always the chance that this monitor is faulty to begin with though...


Yes, that is what's worrying me, which makes the whole story really weird since the computer still runs. I probably wouldn't noticed it if not because i accidentally touching my lips to it...

(Apologies for the looooooong story that follows, I'm gonna write this down while it's still fresh in my mind... Might be useful for others, who knows...)
Since I don't know anything about grounding or wiring, even if today's a Sunday, I called the power company and told them about the "electrocution" issue. They sent two guys to the house immediately to check.

After checking the main fusebox, they claim that everything's fine and the voltage given is fine. I kept insisting that we have a "grounding" issue, as per your suggestion. They went around checking all the outlets and kept saying everything is fine. At that point I showed them my monitor trick, and insisted that there must be something fishy going on.

Later Things got a bit ridiculous when they said that my (monitor) power cable is defective and causing a short... So i brought out my collection of power cables (I got a box full of them, I'm sure everyone here got one too heheh) and said "here, please check these. What are the chances of every cable in the box is faulty?"

About fourty minutes later they are ready to give up again and blame my guinea pig monitor for having "bad regulator" or something. They also admitted that they don't have much experience handling computer equipment ads opposed to normal electronic appliances.

At that point I might have said something to the effect of "computers need a ground at the outlet, otherwise there will be a floating ground that ended up zapping people". It seems that the whole back and forth seems to give this one guy an idea, so he was whispering to the other guy about "maybe we should connect the zero to the ground" (? Not 100% sure though) the other guy was reluctant since "that might be dangerous", but then they proceed to tinker with the one outlet in my room and it passes my guinea pig monitor test.

They are in a hurry to leave so I was really wondering if they really solved the issue or whether this is actually a worse thing for me. I haven't done anything else since I'm happy that at least I got one working outlet. Small victories eh?
Posting everything here before I go get some sleep. First thing in the morning I'm gonna check all the cables just in case the guy was at least partially correct (something about weakened strands of copper inside), reassemble my computer, reconnect all the peripherals, and crossing my fingers.

Oh and my PSU seems to be fine connected to the "good" outlet..., no measurable voltage on any parts. But one thing is still bothering me: I still have no idea what could be causing the whole thing. I have been using the room for years and this only happened last week...

Should I call a third party electrician for second opinions of sort? (Cons:expensive and I doubt I can find a guy that knows computer equipment down here...)
Any comments or advice are welcome. Thank you all!

PS:
(I'm a newbie here, for long updates like this, should I make a new post or update my original post? Apologies if I'm doing it wrong.)