It looks like you triggered the screen magnifier. Try holding the Windows key and pressing +/- or =/-
Please also run this command to collect more system information: apport-collect 2077825 ** Package changed: xorg (Ubuntu) => plasma-desktop (Ubuntu) ** Changed in: plasma-desktop (Ubuntu) Status: New => Incomplete -- 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 plasma-desktop package in Ubuntu: Incomplete 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/plasma-desktop/+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