Hi. I am using my xbox 360 slim on a another TV. The HDMI to TV has worked perfectly before on other TVs, but now it will not work. Only the picture and no sound. Have tried different fixes by going to settings on the xbox , but it will not work. Sound and picture worked when used with a laptop. Cable and xbox has worked before. Can be used by using the composite av cable TV : Loewe concept L32. 1 x AV, 1 x S-Video, 1 x Component video, 2 x SCART, 1 x RGB, 1 x VGA, 1 x HDMI How do I get the HDMI to work, or what can I do to get a digital signal and sound in another way?