You seem to get getting some of your graphics packages from the 'oibaf' PPA, which is not part of Ubuntu and is not supported here.
Please remove that from your system and then feel free to open new bugs for any problems you find. ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1873302 Title: Unable to use builtin monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1873302/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs