How to install graphics card driver for NVIDIA or ATI
Titania runs best with the official graphics card driver from NVIDIA or ATI depending on your systems graphics card. This will enable more features and increases rendering speed.
If you want to install the latest graphics card driver from NVIDIA or ATI for Ubuntu open the »Software Manager«:
Now, click on the App Menu which is located in the top left corner of the screen in the the Top Bar and then click on »Software and Updates«. If »Software & Updates« is open click on the »Additional Drivers« tab. Now select the nvidia-updates or fgrlx-updates radio item. Then click on »Apply Changes«. Don't forget to reboot your computer after the installation process has completed.