@Taihsiang Can you do a system update and test again? There is a fix in ubuntu-drivers-common 0.2.91.7 which should have fixed this bug.
** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Changed in: hwe-next Status: New => Incomplete ** Changed in: hwe-next Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1364805 Title: [Lenovo ThinkPad T440p][10de:1290] hot key "video out" could not work under graphic performance mode. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1364805/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs