Success : Lenovo Thinkpad L540 - Monterey

https://preview.redd.it/wtjxnhek4knd1.jpg?width=2048&format=pjpg&auto=webp&s=a32538198262eda58db90a80e986c15dd278b7fc

specs :
Intel core i3-4000M
HD 4600 graphics
4Gb DDR3-800
500G 7200rpm HDD

I originally made the EFI myself but ran into issues with audio and gpu acceleration. i later found this EFI that worked on first try.