i have a samsung 22in hd rready,flat screen, only a few wks old, i have it conected to pc as to watch movies on, but it has now started to react funny when i try to use the remote, when i press menu it brings up a blue striped panel on the right hand side of screen, and when i try info button it brings up a black and white striped panel on the top right hand side of screen, and it is working volume and program movment,but not displaying on screen....?? any help ..please?