After installed Ubuntu 12.04 on my brand-new laptop, one of the confusing things is to setup the wireless network connection. This simple tutorial will show you how to
(Optional) First of all, I strongly recommend installing wicd to replace the default gnome network manager. wicd has a clean and easy-to-use interface, I like it much more than gnome-network-manager.
To install wicd, hit Ctrl+Alt+T to launch a terminal, install wicd via:
sudo apt-get install wicd
Then remove gnome-network-manager:
sudo apt-get remove network-manager
This is a screenshot of wicd network manager:
In Regular Way:
Normal way to setup wireless network in Ubuntu is first to connect wired network, then:
- 1. Launch Additional Drivers from the dash (or from system settings menu).
- 2. Active available wireless driver, and finally connect to wireless network at next boot.
For B43 wireless card:
If the normal way doesn’t work and you get the b43 wireless card, check it using this command:
sudo lshw -C network
It outputs something like this (bcm4313):
In this case:
- Remove bcmwl-kernel-source and any wireless driver in Additional Drivers.
sudo apt-get remove bcmwl-kernel-source
- Install this one:
sudo apt-get install b43-fwcutter firmware-b43-installer
Then restart Ubuntu and try to connect to wireless network!
NOTE: In router settings set the wireless channel under 12. In my case, I can’t connect to wireless network until I changed wireless channel to lower than 12.