[ubuntu netbook remix] Connects to router, dsl modem, but no internet

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http://ubuntuforums.org – I recently installed Ubuntu Netbook Remix 9.10 on a Dell Inspiron Mini. I'm having trouble getting any sort of networking working on the system, however. I can access my router and DSL modem through ethernet, however, when I try to access a website it times out very quickly in Firefox. Also, I'm having trouble getting the Wireless to activate as well. It wants me to use the proprietary Broadcom drivers, except when I enter my password and click authenticate it doesn't actually turn them on, it just puts me back at the Hardware Drivers screen, without actually activating the drivers. (HowTos)