[ubuntu] Where is my proprietary drivers?

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http://ubuntuforums.org – I had 9.04 on my HP Pavilion DV6570, everything worked fine until I decided to install 9.10. I installed a fresh setup and now I can't use my broadcom wireless, when I go to Hardware drivers to enable proprietary drivers there is nothing to activate, no wireless driver, no graphic driver! Therefor I use wired connection to internet, but every time I restart the system I have to unplug the cable and plug it again so that the connection be established. I am disappointed with this Koala! (Hardware)