Here is the xinput list-props while the second screen (AOC) is disconnected Here the touch works as expected
xinput list-props 11 Device 'Weida Hi-Tech CoolTouch® System': Device Enabled (169): 1 Coordinate Transformation Matrix (171): 0.500000, 0.000000, 0.500000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Calibration Matrix (308): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Calibration Matrix Default (309): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Send Events Modes Available (291): 1, 0 libinput Send Events Mode Enabled (292): 0, 0 libinput Send Events Mode Enabled Default (293): 0, 0 Device Node (294): "/dev/input/event4" Device Product ID (295): 9589, 49920 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1287341 Title: Touchscreen controls both screens in dual-monitor setup To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-settings-daemon/+bug/1287341/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs