# Fixing Backlight (SSDT-PNLF)
# 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: