Had very similar problem with my desktop PC (Asus PB5 Deluxe motherboard). The solution was disconnecting the case speaker cable from motherboard.
No way to edit posts?
How clean is the power where you live?
An Update here:Tried computer at a friends house. Problem still exists.Tried a different PSU. Problem still exists.What do now? Something to do with the motherboard?
As far as I can tell, one has no access at all to the controls without first triggering whatever switches are in the jacks.
Seemed to have fixed it with a simple ground loop isolator. Simple, simple fix.
Seemed to have fixed it with a simple ground loop isolator.
doesn't this only mitigate the problem rather than fix it ?(edit: your results "If I put my ear close the speak, I can still hear a little fuzz" seem to agree)