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Hi I have a Dell Inspiron 6400 and have been running Ubuntu 12.04.2 LTS alongside windows for a few months. I decided to get rid of windows and move over to Ubuntu completely yesterday and started with a clean install. Since then my laptop won't connect to the wireless network and when I try and use the different fixes online it stops connecting via the Ethernet cable as well. I have the Broadcom BCM 4311 network adapter and I have tried installing the STA driver that Ubuntu suggests. As well as running the terminal commands to uninstall the bcmwl-b43 and then install the firmware-b43-installer and b43-fwcutter.

I'm sure it's an easy fix that I am overlooking but I really need someone's help with this.

BigAd028
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1 Answers1

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This is an easy one for me, because I have the same wifi card. I have re-installed ubuntu countless times, never dual-booted though on this laptop. To get the wifi to work, simply run the commands below. I would recommend doing this on a clean installation. It got mine working perfectly. If that doesn't work then refer to this forum (where I got it from) here.

sudo apt-get remove bcmwl-kernel-source
sudo apt-get install b43-fwcutter firmware-b43-installer

Then, reboot!

Community
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Finalbrez
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