Problem solved. No idea what these parameters do, but it worked.
https://askubuntu.com/questions/1347476/ubuntu-20-04-2-64bit-fails-to-boot-on-raspberry-pi-4
nostr:note147qq5wwy8xp7ggsww8cu6s9rdeptyxnfy9ye8hcmqfnscfapkm8syyzn2z
Discussion
Raspberry PI Imager as well as Balena Etcher burn ubuntu on SDCARD n change settings in SDcard before booting with it.
config.txt
dtoverlay=vc4-fkms-v3d
forums.raspberrypi.com/viewtopic.php?t=326126
Ubuntu Desktop (this method requires Pi4, keyboard, and display)
Ubuntu Server (this includes the non-display you seek)