My MacBook Pro's screen just started randomly going blank, sometimes white sometimes black, and I won't be able to do anything no matter what key I press unless I restart it via the power button and even then I have a few minutes before it happens again

MacBook Pro's screen randomly goes blank (white sometimes dark), wont be able to do anything no matter what key i press unless i turn it off and on via the power button. When i do that I normally have just a few minutes before it happens again. Bought this back in december just started happening a few days ago. Only thing out of the ordinary I've done is install that microsoft silverlight or whatever it is netflix asked me to install to watch the videos but I uninstalled that quickly hoping it would fix my problem but it hasn't so please help me out if you know what to do

Try a SMC reset:
http://support.apple.com/kb/ht3964
Ciao.

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    wait a quarter minute.
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