hroi@ht-desktop:~/Desktop/loc1_24mm$ dpkg -l | grep nvidia
rc  nvidia-331                                            331.38-0ubuntu7.1                                   amd64        NVIDIA binary driver - version 331.38
ii  nvidia-331-updates                                    331.113-0ubuntu0.0.4                                amd64        NVIDIA binary driver - version 331.113
rc  nvidia-libopencl1-331                                 331.38-0ubuntu7.1                                   amd64        NVIDIA OpenCL Driver and ICD Loader library
ii  nvidia-opencl-icd-331                                 331.113-0ubuntu0.0.4                                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
hroi@ht-desktop:~/Desktop/loc1_24mm$