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My wireless doesn't work with Ubuntu 12.04.(it worked with 10.04 LTS) I have a Dell Inspiron 1501. I followed the steps posted below:

Run these:

sudo apt-get install --reinstall bcmwl-kernel-source broadcom-sta-common broadcom-sta-source

echo "blacklist brcmsmac" | sudo tee -a /etc/modprobe.d/blacklist.conf

echo "blacklist bcma" | sudo tee -a /etc/modprobe.d/blacklist.conf

The first makes sure that the sta driver is in place, the second and third blacklists the two drivers brcmsmac and bcma which clash with the correct sta driver. Copy/paste or make sure your typing is correct! The last step is to go to 'Additional drivers' and enable the driver.**

....and now i have no Network device on my PC(wired or wireless)

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Can you add the hardware specs to the question - lspci -nn | grep -i net. Simply removing entries from /etc/modprobe.d/blacklist.conf probably won't help. –  mikewhatever Oct 17 '12 at 11:57
    
Yeah, I was thinking the same but I did answer the question ;) I came to the conclusion that it might be better to ask a new question on HOW to get wireless working. Purging the 1st command might not getting the desired results either :( –  Rinzwind Oct 17 '12 at 12:02

1 Answer 1

You can remove the alterations from the last 2 commands with vi.

sudo vi /etc/modprobe.d/blacklist.conf

And remove the lines that says

blacklist brcmsmac
blacklist bcma

Navigate with the arrow keys to those lines. dd to remove a line. {escape}:wq to save the alterations.

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Thanks, i asked a new question with :how to...because removing the lines did not help. In my blacklist file, this two lines still appear ... –  Angelo Daul Oct 25 '12 at 10:12
    
The hardware specs are: 05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01) 08:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02) –  Angelo Daul Oct 25 '12 at 10:34

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