LG RZ42PX3RVA just died I think. It was ok this morning and I got someone to help me take it off the wall so I can plug in HDMI cable to connect DVD player.I notice some green dots on the screen when I put it back on but they went after a while. I put it on again later and it seemed to be working fine. I left the room for a bit and when I came back there was a black screen. The sound is still on but I can't see anything including menus etc. Anybody know whats wrong? Is it big? Can I get it fixed? How much is this going to cost me? Am I better replacing it? I have had it for just over a year and I think it is now out of warranty. Sods law!!