In article ,
Justin Ulysses Morse wrote:

You have a grounding problem. The three types are "not enough ground,"
"too much ground," or "mislocated ground."
SNIP
If neither of these is your problem, then you're in a tough spot
because you can't do much about the 3rd possibility.

I think that sometimes the Cable as in cable TV or Broadband connection
jack has it's ground elsewhere, try pulling that if you have one ...

--
Joakim Wendel
Remove obvious mail JUNK block for mail reply.

My homepage : http://violinist.nu