Sounds like a duplicate of Bug #250486 Have you tried:
sudo aptitude reinstall xserver-xorg-core sudo aptitude reinstall libgl1-mesa-glx sudo aptitude install nvidia-glx-173 ? -- nvidia package could not install https://bugs.launchpad.net/bugs/322599 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
