When I have the apple tv plugged into my downstairs tv I can hear the previews from apple tv but not any sound when I play the actual movie. Why????????\r\n\r\nI have checked all the hdmi inputs, use it with and without the surrsound, everything. If I get sound with previews and in netflix how can I not get sound with the actual movie in apple tv?\r\n\r\nWhen I use this upstairs on the other tv, it works fine. WTF?