I am so frustrated right now. It's a brand new 250GB Xbox. It works perfectly on other TVs, and on my computer monitor. The TV that's giving me so much trouble is a Samsung LN R-328W. It supports up to 720p/1080i. When I plug the Xbox in (exact same thing happens with both HDMI and component video cables), the TV does not recognize that anything is plugged in. It displays the same message I see if nothing is plugged into the inputs. I've tried restarted both the Xbox and the TV. I know the inputs on the TV work, they recognize other sources immediately. I've tried plugging the Xbox back into my computer monitor, changing the resolution (I've tried 720p, 640x480, everything), and then going back to the TV: Nothing. The controller flashes the same as it does if I don't have any video cables plugged into the Xbox. The worst part is that it worked fine when I first got it, but I've been using my computer monitor for the last few months, and now the TV won't recognize it at all. Cliffs: -New Xbox -Samsung R-328W -Neither TV nor Xbox recognizes that something is plugged in. -TV's inputs work with other sources, and the Xbox works with other displays. Help! I don't know what else to try, and Googling this has turned up nothing.