Macbook 13 boots to blank screen but still works on external. What's wrong?

My Late 2008 Macbook Aluminum Unibody screen suddenly stopped working for me today. I booted it up, heard a chime, but the screen is a dark blue tint. It doesn't show anything on the screen at all. I can change the brightness and darkness of the screen. I can hear sounds when I hit the volume up and down, but no display. I don't know what is wrong with it and why it suddenly stopped working. Why can I still control brightness, but can't see anything? It works on an external monitor just fine, just not on the screen itself.

Hi, firetiger.... i have the EXACT same problem!!! i have the same Macbook aluminum unibody screen also. I have no idea how to fix it. I'm also out of warranty and i've tried everything... resetting the pram, trying to restart in safe mode, trying to boot from a cd... .NOTHING WORKS!!! i can still control brightness itself but ive never tried attaching to an external monitor. I know everything is loaded correctly... i just don't know whats wrong. If you have any ideas.. please let me know. Also, I think apple will fix the macbook pros with a similar issue for free http://support.apple.com/kb/TS2377 but i know this doesnt apply for me. hopefully they work something out because I really love that computer!!!

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Hi Scott
The code is correct
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Hello pichastos,
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