Macbook Pro Brightness Controls Not Working

Ok, this is really weird. I have a Macbook Pro and after installing the new aluminum keyboard with the Keyboard 1.2 update my brightness controls in OSX no longer work. The weird part is if I go into Windows via Boot Camp my brightness controls (F1,F2) work fine. In Display Properties in OSX there is no brightness slider.
Can anyone help? Thank you.

"I just tried this. Go into System Preferences -> Display. Turn off Automatically adjust brightness as ambient light changes. Now move the Brightness slider right and left, left and right. Turn on Automatically adjust brightness as ambient light changes. When I changed it from far left to right then left again it was ok."
Hey, thanks for the tip Neil. I was trying to figure out why my computer would dim and then get brighter. It would keep changing after every little thing i'd do. Honestly, it was freakin annoying.

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