ii  nvidia-355                                  355.06-0ubuntu0~xedgers14.04.1                         amd64        NVIDIA binary driver - version 355.06
ii  nvidia-opencl-icd-355                       355.06-0ubuntu0~xedgers14.04.1                         amd64        NVIDIA OpenCL ICD
ii  nvidia-prime                                0.6.2                                                  amd64        Tools to enable NVIDIA's Prime
ii  nvidia-settings                             355.06-0ubuntu0~xedgers14.04.1                         amd64        Tool for configuring the NVIDIA graphics driver