Same here - 
Nvidia 3060 Ti on AMD X570 platform
Panasonic 4K TV via HDMI cable.

While welcome screen is fine - the one with "Install" or "try ubuntu",
then the screen blink for a while then return with fluo-green-yellow
colorset. It is hard to read anything.

Re-inserting HDMI cable to force reset the link has no effect.

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which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1969959

Title:
  [nouveau][amdgpu] Weird colors after startup (Ubuntu 22.04)

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