The tv is a 43" 3840x2160 samsung an by chance was misdetected as a 83" one
In this event it was working at native resolution and had the login visible.
I tried but I'm unable to make this happen at will.
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Desktop Bugs,
Public bug reported:
It was fine with 17.04 and all latest updates but after upgrade to 17.10
there is an issue.
At boot the UHD tv on hdmi is complaining that 720x480 60Hz is
unsupported and screen is displaying nothing.
With another monitor connected on display port looks like the higher
