[ubuntu] trouble installing Nvidia driver

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http://ubuntuforums.org – I am using a dell precision M6500 with with a Nvidia- G92[Quadro FX 3800M] and I installed Ubuntu 12.10 64bit via flash drive. It used to have windows 7 installed(out of box) So I have tried these steps outlined in this article: Nvidia driver doesn't work in 12.10 followed by these steps: Remove the existing driver Codes: sudo apt-get update sudo apt-get purge nvidia-current sudo apt-get purge nvidia-current-updates Install NVIDIA driver Codes: sudo apt-add-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current Then restart the computer (Hardware)