Maybe someone can help me out with this .... I have a DMP-4310g V5.3 connected via HDMI to an NEC E422 LCD which works fine with our telepresence equipment, the DMP can play video but there's no sound. I've tested with SWF, AVI, WMV .... I'm I missin...

I need some direction, I'm new to digital media player and my company purchased a DMP-4310G i'm able to loginand assign a static IP number but how in the world do you play video's? I don't have a DMM   BTW is a DMM a pieceof equipment or is it softwa...