ThinkPad T460p Ubuntu 18.04 / Linux Mint 19 uname -a Linux deus-ex-machina 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Mate Desktop
Same problem. If I boot with the dock, everything is fine. If I unplug and plug it again, my external monitors are still black and my internal keyboad and the USB are not working. But I get the message, that the ethernet cable is connected and that the laptop gets power. I also tested https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1552040/comments/14 from Sergey Menshikov (sergem) After adding /usr/share/X11/xorg.conf.d/20-intel.conf my computer was unusable, stopping at the bootscreen, with the message PKCS#7 signature not signed with a trusted key Secure Boot is deactivated. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1552040 Title: Laptop sometimes doesn't detect external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1552040/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
