My macbook pro retina is not working camera after updating Mountain lion.

My macbook pro retina is not working camera after updating Mountain lion.
I have also updated to latest update 10.8.1. Still its the same.

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".

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    For hardware related issues reset PRAM and SMC
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    Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
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