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Keyboard Backlight not working Macbook Pro Mountain Lion

Since updating to 10.8.3 it seems my keyboard light has entirely gone out. I have reset the SMC and the PRAM. I do not have File Vault installed. I've tried Pin Tick app and also obviously played around with everything possible in preferences to make it light up...nothing. Any other suggestions? Mid 2010 Macbook Pro.

MacBook Pro, OS X Mountain Lion (10.8.3)

Posted on Jun 1, 2013 5:57 PM

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Posted on Jun 1, 2013 6:04 PM

Try this:


Go to Library / Preferences and trash this file: com.apple.iokit.AmbientLightSensor.plist.


Restart.

37 replies

Keyboard Backlight not working Macbook Pro Mountain Lion

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