Lenovo Z5070 Non-Touch Intel Core i7-4510U 2.00GHz 8GB (2x4GB) Memory NVIDIA GeForce GT 840M 4GB 8GB SSHD + 1TB 5400RPM HDD Windows 8.1 Single Language 64 bit 15.6" Full HD (1920 x
How to install Nvidia GT 840M graphics driver in Ubuntu 14.04 - Ask Ubuntu