[ubuntu] Crash on trying to install additional drivers

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http://ubuntuforums.org – I am a bit of a newbie to ubuntu and am having installation problems. I'm working on an HP EliteBook 8560w machine which came pre-installed with Windows. I was able to install Ubuntu 12.04 alongside windows in a separate partition (Ubuntu automatically created the partition). Initially I had some issues with Nvidia drivers and had to made changes to the GRUB menu and include a nomodeset kernel parameter to the GRUB options in order for the display to work. After the ubuntu install completed I had to install the nVidia drivers through System settings->Additional drivers and it all worked f (Hardware)