[Solved] Wired Connection(eth0) not detected in Ubuntu 12.04
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BY nitheesh.cs
6 years ago
Networking
49
comments comment

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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Anonymous (not verified)
access_time 20 Jul 2019 - 17:50

maybe spelling mistake -- I used 'modprobe' instead of modeprobe


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Anonymous (not verified)
access_time 20 Jul 2019 - 17:50

Thanks a lot, nitheesh, this solved the problem on a Lenovo G580. A minor correction:
Last 3 terminal commands need sudo, otherwise there will be "permission denied" errors.


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Anonymous (not verified)
access_time 20 Jul 2019 - 17:50

I have purchased a laptop g580 3 rd gen my laptop dvd drive is not visible,every time scan hardware change,device manager every time w7 please help me

regards
karthik


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yogesh (not verified)
access_time 20 Jul 2019 - 17:50

In reply to by Anonymous (not verified)

in this series the energy management software disable drive after 2 min. if u disable or uninstal energy management software it work fine..


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Sebastiaan (not verified)
access_time 20 Jul 2019 - 17:50

Hi, I downloaded the latest tar (compat-wireless-2012-09-27.pc.tar.bz2) and followed instructions above. All's well, except for one thing: when I reboot the Ethernet isn't recognized again. Am I doing something wrong? Installing in a wrong place (/home/user/Downloads/compat-wireless-2012-09-27/)? Ideas are welcome!
Thanx up front.