ii  nvidia-331                                                  340.76-0ubuntu0.1                                   amd64        Transitional package for nvidia-331
ii  nvidia-340                                                  340.76-0ubuntu0.1                                   amd64        NVIDIA binary driver - version 340.76
rc  nvidia-libopencl1-331                                       331.113-0ubuntu0.0.4                                amd64        NVIDIA OpenCL Driver and ICD Loader library
ii  nvidia-opencl-icd-340                                       340.76-0ubuntu0.1                                   amd64        NVIDIA OpenCL ICD
ii  nvidia-prime                                                0.6.2                                               amd64        Tools to enable NVIDIA's Prime
ii  nvidia-settings                                             331.20-0ubuntu8                                     amd64        Tool for configuring the NVIDIA graphics driver