These are pretty easy to do use higher the numbers for more then one cards.First open your favorite "Terminal Window"1. To install Xorg type these into the Terminal Window - hit... moreThese are pretty easy to do use higher the numbers for more then one cards.First open your favorite "Terminal Window"1. To install Xorg type these into the Terminal Window - hit enter after each one.(If you have already added these skip to #2)Always run this first: sudo apt-get updatesudo apt-get install xauthsudo apt-get install xserver-xorg-coresudo apt-get install xserver-xorgsudo apt-get install xorgsudo apt-get install xorg openboxAlways run this first and last:sudo apt-get update2. Enabling coolbits so you can change your fan speeds, over or underclock your nvidia card/s.Type these in the terminal window - hit enter after each.Always run this first: sudo apt-get updateCreates an xorg.config file: sudo nvidia-xconfigUnlocks the fan & clock settings on one video card: sudo nvidia-xconfig --cool-bits=4If you have two, three, four video cards: sudo nvidia-xconfig -a --cool-bits=28Always run this first and last: sudo apt-get updateOther numbers that also work - for one card 8 - for multiple... less