I can't see the problem in that screenshot. Still, please run this command to send us more information about the system:
apport-collect 1789043 ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1789043 Title: Gnome shell does not use part of the screen Status in gnome-shell package in Ubuntu: Incomplete Bug description: This happened after upgrading to 3.29.91. Shell is "smaller" than the screen and does not use it. Mutter does not have problems, of course windows can use all the screen. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1789043/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp