# Backlight PNLF · GitBook

> Last modified: Thu Jun 18 2020 03:09:33 GMT+0000 (Coordinated Universal Time)

# Fixing Backlight (SSDT-PNLF)

- What this SSDT does
- Methods to make this SSDT

## What this SSDT does

The purpose of this SSDT is to create a PNLF device for macOS to play with, specifically one with a hardware ID of `APP0002`. Luckily WhateverGreen will handle the rest of the work for us.

## Methods to make this SSDT

For the backlight fix, there are 2 methods you can choose from:

- Prebuilt
- Manual

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