Connect to wireless network in ubuntu

Connecting using Network Manager

Network Manager (System → Administration → Network) supports Roaming mode. This allows you to connect to any available wireless network in range.

1. In the Taskbar click the Network Manager icon.
2. Select your wireless network from the list.
3. Enter your Network Key.
4. Click Connect.

Manually connecting

1. Select the connection and press Properties.
2. From the Network Name drop down box choose your router. If it is not shown your router may not broadcast its ID. In this case manually enter the ESSID.
3. Select the Password Type and enter your password.
4. If your ISP gave you a static IP address then select Static IP Address from the Configuration box.
5. If your router assigns IP addresses then leave the Configuration as Automatic Configuration (DHCP).
6. Click OK.