Posted by
Garth Hitchens on
URL: https://www.es-forum.com/shielding-a-computer-keyboard-mouse-tp1543473p1543476.html
Agreed. It is not neccesary to have high electric fields from the
keyboard/mouse, especially if you are using a desktop computer.
Grounding your computer case should cure the problem completely. If
your computer has a 3 prong (grounded) plug, it should be already
grounded, so there could be a problem with the grounding in the
outlet or the grounding inside the computer. If your computer only
has a 2 prong plug (rare for a desktop), I would suggest running a
grounding wire from a metal screw on the computer case to a known
electrical ground (sometimes the center screw of the outlet cover
works well). Also, with a 2 prong plug, you might try first in the
computer "the other way" an see if that helps.
I had/still have some problems because laptops are usually not
connected through 3 prong plugs, and therefore often have high stray
electric fields, whereas desktop computers usually are grounded and
don't usually have those stray electric fields.
Garth
On Feb 16, 2007, at 9:46 AM, Marc Martin wrote:
>> It appears that anything plugged into the computer, including
>> headphones, mic, etc. all carry the field full-strength, including
>> along the entire length of the cable.
>
> Hmmm, could be an electrical problem with the outlet the computer
> is plugged into? Like it is not properly grounded. You could
> buy an inexpensive outlet tester to see if it is wired correctly.
>
> Generally, people here don't seem to worry much about their
> mouse and keyboard. Although, with wireless versions becoming
> more popular, perhaps they will...
>
> (me, I've got an old-fashioned wired keyboard and a wired
> "ball" mouse)
>
> Marc
>
>
>
> Yahoo! Groups Links
>
>
>