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[Solved] Wired Connection(eth0) not detected in Ubuntu 12.04

By: Nitheesh CS
July 23, 2012 - 23:11
49 Comments
Networking

Some of the latest Laptops especially Dell Inspiron 5420 and Lenovo G580 series comes with Atheros Network driver which has some problem with Ubuntu 12.04. The problem is that it will not detect the wired network connection(eth0) even though wireless connection is working fine. We can solve this issue by installing the proper network driver.

First you have to download the latest driver from here http://linuxwireless.org/download/compat-wireless-2.6/

Open Terminal (Alt+Ctrl+T) and extract the downloaded file using following command.

tar -xvf compat-wireless-2012-07-03-p.tar.bz2

Copy and paste the following commands one by one to change the working directory and install the driver

cd compat-wireless-2012-07-03-p
scripts/driver-select alx
make
sudo make install
sudo modprobe alx

Done. Now you should be able to connect to the Internet using wired network.

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Post your comments / questions

Aravindr (not verified)
July 27, 2012 - 18:16

I am facing the same problem.So I was trying to follow your instruction.But the alx folder is empty.atlx atl1e atl1c are non-empty

Anonymous (not verified)
August 15, 2012 - 10:22

pc.tar.bz2 works. p.tar.bz2 doesn't

Anonymous (not verified)
October 11, 2012 - 17:07

Thanks for the last reply! It´s the solution!

Anonymous (not verified)
November 15, 2012 - 22:42

Any other comment on that, I am having the same issue with my lenovo T420

Pkuphy (not verified)
August 26, 2012 - 06:15

Hi, it seems that the latest compat-drivers does not support alx anymore. So try the drivers released before 2012-05-10. Good luck ^_^

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