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I have two monitors in my machine. One is an old LCS samsung monitor. Recently, I started to hear a small hum in my speakers (subwoofer) and replaced them. The new one also got the issues then I found our that its a grounding issue. I unplugged the PC's power chord. The monitor is still switched on. When I checked, there's current in the earth pin (ground pin). When I unplug the monitor, there's no current and the speaker is normal. Now, I have moved that monitor to my dad's machine and took his monitor.
My question is, is it a big issues? The house's earthing system is working and its grounding the current. I won't feel it if I touch the machine like in many other cases.
But still, is it good to keep that monitor attached to my machine?
Can it harm the computer?
What should I do?
Related: Why is there electricity flowing through my VGA and other ports?
– Breakthrough – 2013-06-28T03:03:09.280@Breakthrough That question is related to the charger of a laptop. This is a desktop and related to a monitor. In that case and most of the others the house have a grounding problem. But in my case, the house have a good grounding system and the current flows through it without giving a shock to anyone who touch the equipment. I asked, even if there is a good earthing system, since a stray current is flawing through the VGA port and going out through the ground of the PC, can it still damage my machine? – THpubs – 2013-06-28T03:10:03.823
I'm assuming you mean LCD and not LCS - does the monitor have a separate power supply or is it built into the LCD. Do you see any sparks when plugging in the VGA cable? – Journeyman Geek – 2013-06-28T03:48:07.253
1A stray current is never safe. – Xavierjazz – 2013-06-28T06:20:25.687