TrackPad Not Found in opencore Catalina

[EliteMacx86]

thx for your support
i have 2 things
1st i use catalina 10.15.7 open core when i boot from hdd it work but after 3min of black screen desktop show up anything not to take this 3 min of black screen
2nd i use catalina why in system update its show me as attached screenshot to update to montery 12.4

For backlight, read here

GUIDE - How to Enable Backlight Control on Laptops [Clover/OpenCore]

How to Enable Backlight Control on Laptops [Clover/OpenCore] An EliteMacx86 Exclusive Guide - This guide covers the implementation of Backlight Control on Laptops using Clover and OpenCore. Overview With using a laptop, backlight control is necessary to make it suitable for the user and to...

elitemacx86.com

The system shows the Monterey update as it is available for install.