The following packages have unmet dependencies:

nvidia-173: Depends: x11-common (>= 1:7.0.0) but 1:7.6+12ubuntu1 is to be installed
            Depends: xorg-video-abi-10 but it is not going to be installed
            Depends: xserver-xorg-core (>= 2:1.8.99.905-1ubuntu3) but 2:1.11.4-0ubuntu10.6 is to be installed