ii  bumblebee-nvidia                                      3.2.1-93~trustyppa1                                 amd64        NVIDIA Optimus support using the proprietary NVIDIA driver
ii  nvidia-304                                            304.135-0ubuntu0.14.04.1                            amd64        NVIDIA legacy binary driver - version 304.135
ii  nvidia-current                                        304.135-0ubuntu0.14.04.1                            amd64        Transitional package for nvidia-current
ii  nvidia-opencl-icd-304                                 304.135-0ubuntu0.14.04.1                            amd64        NVIDIA OpenCL ICD
ii  nvidia-settings                                       331.20-0ubuntu8                                     amd64        Tool for configuring the NVIDIA graphics driver