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 have the Promedia Ultra 5.1 system and in the past few months it's developed a constant low hum (or it's always had the hum and it's just gotten worse). The google searches I've tried seem to point ...