[SOLVED] Wired Internet Connection Problem On Ubuntu 12.04 Broadcom - Now I will share how to fix internet connection using wired LAN (Ethernet). I'm using Ubuntu 12.04 on Lenovo g480. You are need a alx driver, for installing, below this tutorial. Before you are following this tutorial, you should disable wireless using command below ~$ rfkill list all First download driver here http://www.orbit-lab.org/kernel/compat-wireless-3-stable/v3.5/compat-wireless-3.5.1-1-snpc.tar.bz2 And then extract that archive using command at below ~$ tar -xf compat-wireless-3.5.1-1-snpc.tar.bz2 Change your directory active to the directory of extracted it archive ~$ cd compat-wireless-3.5.1-1-snpc Execution that script ~$ ./scripts/driver-select alx ~$ make ~$ sudo make install ~$ sudo modprobe alx Finish :) If you are geting a problem, you can leave a comment. source http://ubuntuforums.org/showthread.php?t=2050126 Paper 4Share - [SOLVED] Wired Internet Connection Problem On Ubuntu 12.04