When I open my computer, the screen shuts off.

I am currently running OS X Lion. There are no system updates. My macbook pro JUST started doing this. It never did it before. When I shut my computer and let it sit for however long and then open my computer, the screen comes on, and then about 5 seconds after that, the screen goes blank. In order to turn my screen on, I have to adjust the brightness on my keyboard EVERY single time. Please help me!

Try Reset PRAM.  http://support.apple.com/kb/PH4405
      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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  • Why is it when i open my account the screen is blank.i lost all my data., why is it when i open my account the screen is blank.i lost all my data.

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    Message was edited by: BingDrT

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