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Need your wisdom I have the past 4 hours trying to get my wireless to work. I have updated Ubuntu with no joy below are the few commands that I have already done

sudo modprobe -r b43 ssb wl
sudo apt-get remove bcmwl-kernel-source
sudo apt-get install build-essential dkms linux-headers-generic
sudo apt-get install bcmwl-kernel-source

NO JOY THEIR

sudo apt-get install b43-fwcutter firmware-b43-installer
sudo apt-get install broadcom-sta-common broadcom-sta-source bcmwl-kernel

NO JOY THEIR

in my software sources I can see that BCM4321 802.11a/b/g/n is installed

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useryusuf@ubuntu:~$ lspci | grep Broadcom 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755M Gigabit Ethernet PCI Express (rev 02) 0c:00.0 Network controller: Broadcom Corporation BCM4321 802.11a/b/g/n (rev 03) –  Yusuf Apr 22 '13 at 7:05
    
Check the PCI ID of the wifi adapter by lspci -nnv | grep 14e4 –  grimpitch Apr 23 '13 at 2:53
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