Rene Greuel, it will help immensely if you filed a new report via a terminal: ubuntu-bug xorg
Please ensure you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information. Also, please feel free to subscribe me to it. -- 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/1449560 Title: Cannot login with Nvidia Optimus hardware installed(Ubuntu 15.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1449560/+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