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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Multimedia keys don't work after downgrading lion


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frinker

 
Member Since: Dec 21, 2011
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Hi guys,

I'm quite new to Mac. After got my MBP from my company, I had to downgrade from lion to snowleopard because of the stupid issue of my project. Unfortunately after downgrading, all the media keys (F1-F12) don't work. Especially I want the F1/F2 (brightness up/down), F10/F11/F12 (volume mute/down/up). How can I make these keys work again? Do I need to install some driver or update the firmware?

Thanks
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chas_m

 
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"downgrade to Snow Leopard" -- and what so of disk did you use for that?
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chscag

 
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It would also help if you provided us with some specs on the MBP. Year, and model. Specifically if it's a 2011 MBP that was preinstalled with Lion, it can not be successfully downgraded. And yes, as chas asked, what disk did you use?
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