Also, in case it's related to bug 1883497 you might want to try: https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.7
Please also try 'Ubuntu on Wayland', which you can select after entering your username, in the bottom right of the login screen. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1895301 Title: XrandR does not propose 3440x1440 21:9 resolution Status in xorg-server package in Ubuntu: Incomplete Bug description: XrandR does not propose 3440x1440 21:9 resolution on Ubuntu 20.04 : How to reproduce : - Connect on HDMI 1.4 Intel HD 630 mobile a UWUHD 3440x1440 monitor - Only 16:9 are proposed by xrandR - XrandR should propose all supported resolutions WorkAround : manually add the mode xrandr --newmode "3440x1440_30.00" 196.90 3440 3600 3960 4480 1440 1441 1444 1465 -HSync +Vsync xrandr --addmode HDMI-2 3440x1440_30.00 xrandr --output HDMI-2 --mode 3440x1440_30.00 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1895301/+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