ii  nvidia-355                                            355.11-0ubuntu0~gpu14.04.1                          amd64        NVIDIA binary driver - version 355.11
ii  nvidia-opencl-icd-355                                 355.11-0ubuntu0~gpu14.04.1                          amd64        NVIDIA OpenCL ICD
ii  nvidia-prime                                          0.6.2                                               amd64        Tools to enable NVIDIA's Prime
ii  nvidia-settings                                       355.11-0ubuntu0~gpu14.04.1                          amd64        Tool for configuring the NVIDIA graphics driver