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21 lines
1.0 KiB
Markdown
21 lines
1.0 KiB
Markdown
# Fixing Backlight
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So what this SSDT does is create a PNLF device for macOS to play with, specifically one with a hardware ID of `APP0002`. WhateverGreen will handle the rest of the work
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No configuration required for most, just drop the prebuilt file into your EFI:
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* [SSDT-PNLF](https://github.com/khronokernel/Getting-Started-With-ACPI/blob/master/extra-files/SSDT-PNLF.aml)
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* For most users
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* [SSDT-PNLFCFL](https://i.applelife.ru/2019/12/463488_SSDT-PNLFCFL.aml.zip)
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* For Coffee Lake and newer
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Note: there are some rare cases where the iGPU is called `GPU0` or `VID`in the DSDT, you can double check by searching for `PCI0.GFX0`, `PCI0.VID` and `PCI0.GPU0`. Whichever shows up is your device
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If Windows has been installed on the device, you can also do the following:
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```text
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Device Manager -> Display Adapters -> Properties -> Details > BIOS device name
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```
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* Note some GPUs may be hiding under "BIOS device name"
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