![]() If you're using SortedOrder in your ist, make sure you add SSDT-PNLF.aml to it. It will not work if your IGPU is not at _SB.PCI0.IGPU.Ĭopy the SSDT-PNLF.aml to your EFI/Clover/ACPI/patched (on your EFI partition). ![]() Note: If you already have patched your DSDT (or SSDT) with a "Brightness" patch (PNLF), you must remove it! Same if you're using Clover's AddPNLF_1000000 or AddPNLF (in ist/ACPI/DSDT/Fixes).Īlso Note: The SSDT-PNLF.aml assumes that GFX0 (or VID on Thinkpads) is already renamed to IGPU. AppleBacklightFixup.kext installed to /L/E To use this technique requires three components: You probably already have it from following the laptop guide: Note: AppleBacklightFixup.kext requires Lilu.kext. You will find AppleBacklightFixup.kext in the Release folder (of the ZIP) and SSDT-PNLF.aml in the root. CoffeeLake graphics/brightness control is still a work-in-progress.ĭownload the latest AppleBacklightFixup.kext and SSDT-PNLF.aml from bitbucket: ![]() It will work with Arrandale, Sandy Bridge, Ivy Bridge, Haswell, Broadwell, Skylake and Kaby Lake. This guide is only for Intel graphics laptops. ![]() SSDT-PNLF.aml to activate the AppleBacklight kext a single pre-built AppleBacklightFixup.kext This guide will simplify it by using two components that work together to create the solution: That guide can be a bit complex for the novice. ![]() I wrote about how to use a patched AppleBacklight.kext or AppleBacklightInjector.kext a while ago: After you have working brightness via SysPrefs->Displays, refer to the original guide for activating the brightness keys.īut as you probably already know, IntelBacklight.kext and ACPIBacklight.kext were broken by the 10.12.4 update. Note: The guide above is still useful for mapping your brightness keys. There is the original backlight guide using ACPIBacklight.kext or IntelBacklight.kext here: This is going to be a quick guide for how to implement backlight control for laptop internal displays on macOS/OS X. Building a CustoMac Hackintosh: Buyer's Guide ![]()
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