I've been working on this all weekend and I can't figure it out. Here's the setup and problem - I have a Creative Z2 Platinum sound card, a Viewsonic N6 video processor, and set of Klipsch 2.1 Pro ...

I'm trying to figure out a way to deal with a ground loop problem I have at home, this is 60hz mains hum that comes out of speakers, even when nothing is connected to the device besides power cable. I ...