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[Guide] Laptop backlight control using AppleBacklightFixup.kext

Is this the correct way to do it?

EDIT : Nvm, got it working! Now just need to figure out how to enable the brightness control from keyboard and keyboard backlighting lol. Thanks guys!
you will probably need AsusNBFnKeys.kext (do a search for it) and the patches that come with it for your DSDT
 
you will probably need AsusNBFnKeys.kext (do a search for it) and the patches that come with it for your DSDT

Will do! Thank you very much lol
 
Please help
My brightness becomes minimum (lowest)
No slider in display setting
Not able to increase my brightness
Using macOS Sierra 10.12.6

My laptop---
Hp 15-ac126tx
Intel i5 5th generation
Intel HD 5500 graphics
 

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  • Screen Shot 2017-09-15 at 8.02.45 AM.png
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Please help
My brightness becomes minimum (lowest)
No slider in display setting
Not able to increase my brightness
Using macOS Sierra 10.12.6

My laptop---
Hp 15-ac126tx
Intel i5 5th generation
Intel HD 5500 graphics

You forgot to attach ioreg.
But I can already see that you neglected to rename GFX0->IGPU.
As per post #1, SSDT-PNLF.aml assumes this essential rename.
 
Where and how to do that?
I didn't see anything like GFX0 in my config.plist
 
Changed...
See attached image
Is it correctly changed?
And what about SortedOrder??
 

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  • Screen Shot 2017-09-15 at 4.36.33 PM.png
    Screen Shot 2017-09-15 at 4.36.33 PM.png
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Thank you
Now, I got full brightness

But not got Slider in Display setting
 
Does the guide in the op work with an Asus laptop? I had working brightness keys until some days ago, without any update they don't work anymore and I don't understand why, probably the issue occured after permissions repair...

Someone can help me?
 
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