I discovered today that the problem can be circumvented by placing the laptop with open lid in the docking station. Then the external display will always be recognized.
-- Display error when returning from sleep after docking https://bugs.launchpad.net/bugs/531069 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ 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

