Enabling Proprietary Drivers

 How do I enable proprietary drivers for Ubuntu 12.04?

Proprietary graphics card drivers are provided by graphics card manufacturers and can provide improved performance and additional features when compared with open source Ubuntu drivers. To enable proprietary drivers for your machine, do the following:

1. Open Ubuntu Software Center.
2. From the top-level menu, select Edit | Software Sources ... .
3. Enable the Proprietary drivers for devices (restricted) ... option.
4. Click the Close button.

To see what proprietary drivers are available for your machine's hardware, do the following:

• Open Additional Drivers either through Systems Settings or by clicking the Unity dash icon and entering "additional drivers".

For more information related to video drivers, see https://wiki.ubuntu.com/Valve.