Macbook Screen Black - won't brighten

I was using my macbook last night, and when I went to sleep, I closed my macbook and put it away, plugged in. When I woke up, it was fully charged, but when I opened it this morning, the screen was fully black and won't brighten. I restarted it and it made the noise that it makes when it starts, and for a second, the white screen with the apple showed up but then it went black again. I have it hooked up to my tv right now, and it is working fine otherwise, it just seems to be the screen that isn't working. The screen isnt completely black, It's just very dim. I can see the screen on my macbook but it is too dark to do anything, and when I try to turn the brightness up it says it is all the way up.

1. Restart.
2. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
Best.

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