how can I sort out the electric shocks from my PC case

backtothefuture · 2 Apr 2011 at 08:36

My PC case gives off slight electric shocks (upon touching it along the edges, at the bottom/back etc)... the top of the case and main door (both metal) and side panels are fine... (its a Lian Li PC1100V)

I've been told its not grounded properly... not sure how to fix that!

Had a rummage inside the case and all connections seem ok...also cleaned the dust etc..

the case is connected through a normal kettle lead into an extension socket. The extension socket is connected to the mains through a 3 pin plug (with earth connection)...

not sure what to do!

:confused:

drunkenmaster · 2 Apr 2011 at 08:49

Got a new mobo, my case would shock me and cause a instant crash when I put anything in the USB socket, no idea why, never seen anything like it, replaced mobo and rma'd it, problem dissappeared. It shouldn't happen, really at all in any conceivable way as basically the PSU itself should be grounded, and attached to the case which should ground it as should the atx to mobo with grounding wires.

Is it a new build, or a mobo/case that was fine then suddenly started doing it, if you've just installed something new, mobo, whatever, I'd suspect whatever it was, is faulty somehow.

Ripshod · 2 Apr 2011 at 09:48

Only thing I can suggest is using a DMM to make sure the earth is actually connected all the way through the mains leads (just cos the plugs have pins don't mean the wires are actually connected, it's difficult to tell if a sheathed wire is damaged). Test from the mains plug to the IEC (kettle) plug earth pins. Of course if you've already done this ignore me

backtothefuture · 2 Apr 2011 at 10:47

the set up is approx 5 years old... nothing new in it except the graphics card which was replaced approx a year back but it was fine back then, this whole shocking business started only recently...

I guess mobo must be passed its prime...its an old s939 a8n-sli deluxe that I am trying to stretch till the AMD Bulldozer has been released and is stabilised in the market...

guess I have to run an eletrical test!