I am using Nvidia GeForce GT 630 MB 2 gb graphics card, and I have installed the drivers of the same from https://wiki.debian.org/NvidiaGraphicsDrivers#Debian_7_.22Wheezy.22 It is optimus enabled so I installed bumblebee for the driver. The video is mp4 format. -- Regards, Anubhav Yadav, Computer Engineering Final Year Student, Imperial College of Engineering and Research, Pune.