[ubuntu] Need help installing NVidia driver onto 11.10

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http://ubuntuforums.org – Help. I'm testing / evaluating 64-bit Ubuntu by setting up a USB boot before installing onto my hard drive. I have Ubuntu 11.10 installed, but it didn't recognize the NVidia 520 based graphics card. Searching online I found a .deb file on a PPA site (not sure if terminology is correct, I just learning Ubuntu details). I was unable to install drivers through Additional Drivers since none were listed. I read that I need to install the latest driver to work with the GeForce GT520 based card. OK. I downloaded the 290.10 driver on a PPA site. I (think) I added the PPA information to the repository (Hardware)