Ok hier even een kopietje van iets wat ik op een ander forum in het engels heb gepost, anders moet ik alles opnieuw typen
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Ok I have the MSI Via KT4 mobo, using the onboard 5.1 soundcard as a decoder for my 5.1 set. I watch movies with DTS and Dolby with it.
Now I recently made this connection, normally my 5.1 set was only connected to my DVD player. I extended the minijack cables (front/rear/and sub/center, which go into my soundcard), and connected it to my PC. Now at first this worked absolutely fine, for a day.
Now when I switch on my 5.1 Set and it's connected to my PC, it makes this high-pitched whining sound, a tone that gives you a headache. Not really loud, but just high-pitched zooming-like. I can't make it go away. It sounds like something is causing disturbance in the signal, but I dunno.