Am Mittwoch, 13. August 2008 schrieb Martin Horn: > On Wed, Aug 13, 2008 at 3:18 AM, Shawn Wallis <miesco251@xxxxxxxxx> wrote: > > When I unplug my AC for my laptop, the noise stops... WHen add > > brightness to my laptop screen I get less noise... > I suppose your laptop has an earth connection on the power cord. Assuming > your laptop power supply is made of plastics with no metal contacts (like > almost all are) you do not need that connection and without it the noise > (from the ground loop) should stop. Just put some kind of isolating tape > over the metal contacts from the earth ground (maybe two layers, because it > might get cut when plugging in) and your ready to go. If you don't want to > carry that tape with you all the time you should try to exchange your power > cord (those from electric shavers looking like an "8" work sometimes). And here came the advice of the stuff you shouldn't do. Yes, it might fix your problem. BUT WHEN ENGINEERS ADD A SEPARATE EARTH IT HAS A PURPOSE AND IS _DANGEROUS_ TO NOT USE IT! Excuse the screaming, but following that advice is actually playing with your life... only do that if you have a death wish. Arnold -- visit http://www.arnoldarts.de/ --- Hi, I am a .signature virus. Please copy me into your ~/.signature and send me to all your contacts. After a month or so log in as root and do a "rm -rf /". Or ask your administrator to do so...
Attachment:
signature.asc
Description: This is a digitally signed message part.
_______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
