I just tried to connect my PC to my TV. I went to Media Player, Video, and played a AVI movie successfully. It plays perfect- however, there is NO WAY to fast forward, rewind or pause this!! None of the buttons on remote work.. In the MUSIC section, I can do it, but not in video... I...

If I want to output audio to my home theater, is the only way to do it with an optical cable? Can I not use HDMI on this tv to output to my a/v receiver?!