found a pattern, the display is working if the computer is turned on while the tv is off AND was turned off while was select another hdmi port
in this condition when turning on the tv is misdetected as 85" but with right 3840x2160 30Hz any other attempt detected 43" and then nothing works to get the appropriate 3840x2160 30Hz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725395 Title: screen resolution detected is incompatible with UHD tv To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1725395/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
