Setting the video resolution in Gnome is described here:
https://help.gnome.org/users/gnome-help/stable/look-resolution.html.en

The resolutions supported by your monitor can be displayed with the
shell command edid-decode, e.g.

    edid-decode /sys/class/drm/card0-eDP-1/edid

The actual sub-path of /sys/class/drm/ depends on the connection to the
monitor that you chose.

You should see the same resolutions as those stated in the Xrandr.txt
that you supplied.

The default for Ubuntu with Gnome is to use Wayland and non Xorg. What is the 
output of
echo $XDG_SESSION_TYPE?

Are you able to change the resolution with the xrandr command in the
shell?

Best regards

Heinrich


** Changed in: xorg (Ubuntu)
       Status: New => Invalid

** Changed in: xorg (Ubuntu)
       Status: Invalid => Incomplete

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1987168

Title:
  Video problems

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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1987168/+subscriptions


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