My Panasonic Viera TX-L42E5B has no picture but has sound i dont have a clue what to do someone please help

I just purchased the Panasonic TC-L42E5 and am trying to take advantage of the DLNA aspect of the TV My home is networked to a W7 64 bit PC that acts in my home as a server. The PC is connected to a Verizon FIOS router and then runs to a Monoprice 8port switch. I have CAT6a run to various...

Hello does anyone have calibration settings for this set?