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=== Graphic Driver Problems in Ubuntu ===For cards made by manufacturers such as Nvidia the drivers are often not open source. With each new release of the OS, video drivers may become outdated and no longer work. For example, many users are reporting problems with the Nvidia drivers in Ubuntu 16.04. Troubleshooting can involve a number of steps. Resolution may also require you to use an older version of the Linux distribution until the manufacturer releases current or updated drivers.Example driver location for Nvidia cards on Ubuntu: [http://www.nvidia.com/Download/driverResults.aspx/69366/en-us Linux x64 (AMD64/EM64T) Display Driver]