Can't install Nvidia drivers on Ubuntu 12.04 LTS 64 bit

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http://askubuntu.com – I have Acer V3-771G Laptop that has 1920×1080p full HD resolution. My OS is 64 bit Ubuntu 12.04. I have Nvidia 650M GPU and integrated Intel i5 2.5 CPU graphics HD4000. I can't install nvidia-current drivers properly. I just made fresh install of Ubuntu(I messed few times trying to configure Nvidia drivers) and this is the situation I have now http://postimg.org/image/onp1a9zqd/full/. Reading on Web about installation, I first did this: sudo apt-get install linux-headers-3.5.0-26-generic sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update sudo apt-get install nvidia-current Ins (HowTos)