How do I get 5.1 audio to my receiver?

ingeborgdot

Golden Member
Jan 12, 2005
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I have an ATI 2600XT video card and I have it hooked up to my Denon 3808Ci receiver via HDMI. I get picture and sound but I don't get 5.1 or 7.1 audio. Is there something I'm missing? What do I need to do?