Multimedia keys don't work after downgrading lion

frinker · frinker #1 (**permalink**)

12-21-2011, 08:26 AM

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

chas_m · chas_m #2 (**permalink**)

12-21-2011, 09:12 AM

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

chscag · chscag #3 (**permalink**)

12-21-2011, 01:03 PM

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?

chas_m #2 (permalink)
Member Since: Jan 22, 2010 Location: Victoria, BC Posts: 13,705 Mac Specs: 2009 MacBook Pro, Black speakers, Black Benq second monitor, black iPhone 4, Black 2012 iPad, etc.	12-21-2011, 09:12 AM "downgrade to Snow Leopard" -- and what so of disk did you use for that? Cheers, chas_m -- My essay for switchers and newbies
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Multimedia keys don't work after downgrading lion

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frinker #1 (permalink)
Member Since: Dec 21, 2011 Posts: 1	12-21-2011, 08:26 AM 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
	QUOTE Thanks

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