XPS M1530 black screen

I was watching a movie and, my screen went totally dark coudn't do anything, so I shut it down and restarted, when I restart the screen starts completly white and then gradually turns to black. The sound works fine and when I pluged into an external monitor it's alright. Allthough it's at its lowest resolution and won't let me change it. At first there was green horizontal lines on the external monitor but I uninstalled the Microsoft Silverlight program and the green lines went away. Now the only problem is that my laptop Monitor is still black? I\m running my anti-virus after that I'll try to run the Diagnostics test somehow...anyone know what I should do? How to solve this problem?

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