[Ubuntu-x-swat] [Bug 1895794] [NEW] Plugging an external monitor on USB-C port does not show up. Need to reboot each time

Public bug reported: Whenever I plug an external monitor (Dell P2720DC) on my ThinkPad X1 (8th gen.) with Ubuntu 20.04, it is not directly recognized. I need to reboot the system so that it can find the monitor. Here is an extract of dmesg: [87389.923632] usb 1-5: new high-speed USB device number

[Ubuntu-x-swat] [Bug 1311881] Re: dual screen ubuntu 14.04, second screen only partially displaying desktop

This seems to be a problem related to the following file `~/.config/monitors.xml`. I deleted it then relogged then everything was fine. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1311881 Title

[Ubuntu-x-swat] [Bug 1242259] Re: Thinkpad x1 Volume up down and mute keys stopped working after upgrade to Ubuntu 13.10

Same problem with ThinkPad X1 on Ubuntu 12.04 with recent kernel upgrade. Volume Up and Volume Down buttons are recognized by the system but the « VolumeUp » and « VolumeDown » commands do not respond anymore. Even if I assign them other shortcut keys (Parameters > Keyboard > Shortcuts). The probl