I have a wired connection and up until a few weeks ago I have had no issues with my connection to XBL marketplace or any games. Now when I turn my xbox on and load any game, I immediately get disconnected from XBL. When I try to reconnect it fails and lets me test the connection which obviously returns me to the xbox dashboard. Once out of the game and back to the dashboard, my XBL connects again without any problems. I can download and search the marketplace without an issue. My roommate has an xbox 360 also and hasn't had any connection issues even when we try the same games at the same time. I dont know much about the technical side of this but any info or help would be appreciated!