I have not tried it myself yet but there is a workaround mentioned on askubuntu.[0] Delete your ~/.config/monitors.xml
[0] https://askubuntu.com/questions/23869/could-not-apply-the-stored- configuration-for-the-monitor -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1511247 Title: Ubuntu 15.10 Could not apply the stored configuration for monitors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1511247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs