Hallo,
Paul Winkler hat gesagt: // Paul Winkler wrote:
On Sat, Apr 19, 2003 at 12:33:25PM +0200, Frank
Barknecht wrote:
One can also try to cut the earth of the
laptop's powers supply if
one has a death wish... ;) I mean, don't do that.
I have the same buzz problem on my laptop...
i wouldn't physically cut the prong, but I have used one of those
little 2-prong to 3-prong adapters - common in the US, you can find them
in any hardware store here, i assume there's an equivalent elsewhere.
You probably know the type - about 1 inch square, it's got a standard US
3-prong outlet on one side and a 2-prong plug on the other,
with a little tab that you're meant to screw into the center screw of
the wall outlet.
If you ensure that the tab doesn't contact anything grounded,
voila, ground is broken.
is this a safety hazard? I'm not really sure.
Be careful.
Actually I'm also not sure, if it must be a safety hazard. I read
about this solution and I also asked Acer, if they could provide a
2-prong plugged cable for their laptops. They wrote me, that in
Germany they are not allowed to supply such a cable for their laptops,
but I could try to find one somewhere else...
I guess, that the case of a laptop is well isolated from its innards,
and also a lot of cases are plastic, so it seems.
But if it's not isolated, the user would be the ground connection
chosen, and that'll hurt. ;)
Then the epanorama docs say "Do not do this", because it's
"potentially very dangerous":
http://www.epanorama.net/documents/groundloop/problem_solving.html
They call the plug-solution a "cheater plug":
http://www.epanorama.net/documents/groundloop/cheater.gif
ciao
--
Frank Barknecht _ ______footils.org__