rc  nvidia-331                                            331.113-0ubuntu1~xedgers14.04.1                     amd64        NVIDIA binary driver - version 331.113
ii  nvidia-common                                         1:0.2.91.7                                          amd64        transitional package for ubuntu-drivers-common
rc  nvidia-libopencl1-331                                 331.113-0ubuntu1~xedgers14.04.1                     amd64        NVIDIA OpenCL Driver and ICD Loader library
rc  nvidia-opencl-icd-331                                 331.113-0ubuntu1~xedgers14.04.1                     amd64        NVIDIA OpenCL ICD
rc  nvidia-prime                                          0.6.2                                               amd64        Tools to enable NVIDIA's Prime
rc  nvidia-settings                                       346.47-0ubuntu1~xedgers14.04.1                      amd64        Tool for configuring the NVIDIA graphics driver