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Lenovo G570 Brightness Control

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Hello, first I'm sorry about my english but I'm French.


I successfully installed Lion 10.7.2 via iAtkos L2 with QE/CI working on a Lenovo G570 (Intel Core i3-2310m with HD 3000 Graphics)


I can set brightness following this post : http://www.insanelymac.com/forum/index.php?showtopic=236835&st=0 but I have a problem.

The brightness steps aren't good : when the slider is on 0, screen goes black but if I put slider on 1 position, brightness is at 50/60%, which is too high.

I think we can fix this with DSDT but I don't know how.



There is my DSDT : http://www.mediafire.com/?9vkjbj8nw1qh73s


Thanks for your replies.

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can you please tell me you install L2 via usb or direct dvd? boot flags you used? i have also the same laptop as yours, please help me to install Mac OS X Lion. please

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Did you ever find a way to fix this? I have a g570, too, QE/CI working, et cetera; however, my Intel i3-2310m is one I bought on eBay and put into the machine, replacing the Pentium B940 it originally had.


I'm running 10.7.4 -- same brightness issues as you. It works, but lowest usable step above black screen is too bright. Running F.lux helps at night, though.


My DSDT is here: https://www.dropbox.com/sh/eo9zuoqnkirz5y3/2UDIyKCCVM

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Why no help with installacion for this Boy????


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