You have been subscribed to a public bug: 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 ** Affects: xorg-server (Ubuntu) Importance: Undecided Status: New -- XrandR does not propose 3440x1440 21:9 resolution https://bugs.launchpad.net/bugs/1895301 You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. -- 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