i know its not the best name but. I left it on after night and when i when i later tried to switch it onit seems all that is meant to be black is some greenish colour.

Like so... whats wrong with it?

http://i41.tinypic.com/v7s4jp.jpg

Hello and welcome to the forum. I'm assuming your display is a flat panel LCD, I suggest you post your issue int he LCD Flat Panel section under Display Devices.

http://www.avsforum.com/avs-vb/forumdisplay.php?f=9