Ubuntu updating video driver
The jockey-text command was removed with the release of Ubuntu 14.04.You can now use ubuntu-drivers to get the list of packages for each driver, and then install the packages using apt-get.Also type dmesg to see if there are other related informations here.
Many of the configurations settings in use aren't explicitly set by the files in this directory, but are rather hard-coded into the system.
It is important to know what the capabilities of your hardware is before you start.
It is a good idea to find out maximum resolution, vertical and horizontal sync ranges and have them close at hand for both the monitor and video card.
By default Ubuntu will use the open source video driver Nouveau for your NVIDIA graphics card.
This driver lacks support for 3D acceleration and may not work with the very latest video cards or technologies from NVIDIA.
If you want to generate an old-style xorg.conf, you can boot into recovery mode, select root shell, and do: Before you start modifying your d directory or file, it is strongly suggested you print out this page.