[ubuntu] Wireless and wired connectivity problems in Ubuntu 9.04

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http://ubuntuforums.org – Today I downgraded from Ubuntu 10.04 to 9.04 because of easy gdm themeing availabe in 9.04. The OS is installed on my external hard disk (320.1 GB).After installing the first problem I noticed was that my wireless card was not getting detected and my Broadcom Ethernet controller was also not being detected. But in my 10.04 installation the cards were being detected and I could access the net through wifi. I connected my Ethernet cable but I still couldn't get the net on my laptop. I even tried installing the Broadcom driver for my card which is Broadcom Ethernet Controller 1692. But it did not (Hardware)