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Lenovo G570 Brightness Control

lenovo g570 brightness dsdt osx86 intel hd 3000

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#1
Uryupinsk

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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.insanelym...pic=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...9vkjbj8nw1qh73s

Thanks for your replies.

#2
alich345

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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

#3
michaelc5047

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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....z5y3/2UDIyKCCVM

#4
HUSABER

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Why no help with installacion for this Boy????
alich345

#5
alich345

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thanks
HUSABER

i've solved my issue, now i'm running ML on my lenovo G570...
alich345.wordpress.com





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