[ubuntu] Broadcom wireless on Ubuntu 12.04

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http://ubuntuforums.org – Hi folks. There seems to be a common problem with Broadcom and Ubuntu but I cannot find my particular issue among the threads. I have just (yesterday) installed Pangolin on my Acer 9300 and it didn't pick up the built-in wireless so I used a usb adapter. I have since installed drivers for Broadcom and nVidia through "Additional Drivers" as the system suggested and they are installed and activated ok, (so it says). But I still can't use the built-in wireless, only the dongle. I have re-booted without the dongle but it will not pick up the built-in wireless. Any clues please. (Hardware)