How to get wireless and wired network working again on my Dell Inspiron 1501?

Posted by Angelo Daul on Ask Ubuntu See other posts from Ask Ubuntu or by Angelo Daul
Published on 2012-10-25T10:07:37Z Indexed on 2012/10/25 11:16 UTC
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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:(from a similar tag, but...)

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

....and now i have no Network device on my PC(wired or wireless) I can use wired conection if i start my laptop with a"previsious version of Linux"...2.26.43...

I am a beginner in Linux These are my hardware:

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)

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