As explained in https://wiki.ubuntu.com/Bugs/FindRightPackage
Graphical Environment The Ubuntu graphical environment is provided by a combination of the Linux kernel and the X Window System (aka X.org). The following symptoms typically are due to GPU issues in the kernel DRM driver (linux package): Blank or solid-colored screen instead of login screen, or immediately after login System freezes completely Wrong default screen resolution ** Package changed: ubuntu => xorg (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/2077825 Title: wrong screen resolution Status in xorg package in Ubuntu: New Bug description: Today the screen resolution jumped - on its own while working - to some small number, while still claiming to be the usual 1920X1080. This makes the screen unusable. Also there is a very slow video reponse. External monitor also wrong resolution. Can't use the device! Guess: machine jumped from WAYLAND to X11 by some unlucky key combination I typed. --------------------- machine: Dell XPS 13 OS: KUBUNTU 22.04 KDE Plasma 5.24.7 KDE framework 5.92.0 QT 5.15.3 Kernel 5.15.0-119-generic(64 bit) graphics platform X11 --- graphics processor Mesa Intel Xe graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/2077825/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp