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Install / Uninstall Accelerated Graphics packages

There are three ways to add or remove programs in Ubuntu:

1. From the Add / Remove menu (For newbies)
   
2. From the menu System-Administration-Synaptic Package Manager
3. From console with the command sudo aptitude install / remove (package name) (Recommended)
   
4. From console with the command sudo apt-get install / remove (package name)

With the command sudo apt-get remove those packages autoremove q are no longer used or unnecessary.

during an installation if there is any dependency problem, we can solve it with the command sudo apt-get install -F