Linux Mint 17 NVIDIA PPA Install
Hello Mint User! The Tip shows you How to Add the NVIDIA PPA Repository for Mint 17 GNU/Linux Desktops.
And this Linux Mint 17 NVIDIA PPA Installation includes most of the NVIDIA Driver.

Linux Mint Terminal Tutorial for Beginners
Then Add NVIDIA PPA Repository.
For the latest Dev Releases:
sudo add-apt-repository ppa:graphics-drivers/ppa
For further Insight see the Official Documentation.
If Got “User is Not in Sudoers file” then see: How to Enable sudoFinally, Refresh Apt Repositories.
sudo apt-get update
Now you should be able to Install the Latest NVIDIA Driver in Linux Mint 17 thanks to The “Graphic Drivers” Developers!