Hi, not sure it works on PI4.
What i see is that you forgot the new option for pi4 in config.txt
:
enable_tvout=1
Edit: yes you added it
https://www.raspberrypi.org/documentation/configuration/config-txt/video.md
I'm struggling on crt with pi4 right now, and i'm not sure it will work even with this option.
global.videomode=default
must be in recalbox.conf
btw
Are you sure you have the right cable ?