Upgrading to Monterey: no signal after verbose

I'm working on a Dell T30 (E3-1225v5, P530 iGPU). Followed https://github.com/cstrouse/Dell-PowerEdge-T30-Hackintosh but too many things are broken now. Basically I updated BIOS to 1.8.1 and started over using OpenCore 0.8.0. After 3 days I finally made everything perfect on Big Sur 11.6.5.

However when I try to install Monterey 12.3.1 I got no signal after verbose.

boot-args:

-v keepsyms=1 debug=0x100 npci=0x2000 alcid=3 igfxonln=1 

iGPU injection:

framebuffer-patch-enable 01000000 framebuffer-stolenmem 00003001 framebuffer-fbmem 00009000 device-id 1B190000 hda-gfx onboard-1

Any ideas?

Author: @United-Layer-5405