The Problem was solved when the new kernel was installed. Works now again...
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1378744 Title: nVidia GK106GLM [Quadro K2100M] [10de:11fc] Connect to HDMI / DP port with open-source driver will cause Xorg crash To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1378744/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp