I received an xbox for Christmas and I've been trying to connect it. Unfortunately, when I connect it using an HDMI cable, I get picture but no sound. I've made sure my TV is set to "TV Speaker" (it's a Samsung Plasma), but with no luck. I've made sure that my volume is un-muted and turned up in order to hear the game, but no sound seems to be coming from the TV.
I also tried to connect the A/V cords in the back of the xbox so that I can route sound to my receiver, thinking that perhaps the HDMI connection on the xbox doesn't support audio, but it seems that when you connect the A/V cable (i.e. the RCA convertor) to the back of the xbox, it makes i