[other] Problem with Samsung screen

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http://ubuntuforums.org – After getting back from vacation I turned on my desktop and noticed I wasn't getting any image on screen. Hooked up another screen and it worked fine. When I tried to hook up the other screen again I noticed that from a specific angle I was still able to see the desktop of my computer. I tried changing the brightness and sorts by feel (since it was very dark) but didn't make a difference. It's almost as if the "lighting" in my screen stopped working. Anyone who could point me in the right direction regarding a possible solution to this problem? The screen, should it matter, is a (Hardware)