Nvidia driver installation(after download XX.run installation file)
1. ctrl+Alt+F1 //go to virtual terminal
2.sudo service lightdm stop //stop X window
3.sudo init 3
4. sudo ./XX.run if Nouveaue is using,disable it. by [sudo update-initramfs -u]
5. sudo service lightdm start
sudo apt-get install cmake cmake-curses-gui //install cmake and GUI
download CUDA and install
sudo apt-get search qt5 // search for qt5 package and install availables
download opencv and build & install //using ccmake
have fun.ubuntu 16.04 + N驱动安装 ＋CUDA+Qt5 + opencv
原文：http://www.cnblogs.com/changkaizhao/p/6244309.html