There are essentially two ways that you can connect to a network: via wired and wireless connections.
By default, the icon is loaded on your main panel. If the icon is a red X, your machine is not currently connected to a network:
Figure 75 Main Panel When Not Connected to a Network

Make sure that an Ethernet cable is connected to your computer's network interface card.
Click the icon on the main panel, then click .
After a wired network connection is established, the icon changes to display two desktops.
Figure 76 Main Panel When Connected to a Wired Network

A connection to the network is confirmed when (active) is listed next to the menu item. You can also confirm connectivity by clicking the icon and then clicking . If connected, the Connection Information window displays your IP address.
Make sure that an Ethernet cable is connected to your computer's network interface card.
Click the icon on the main panel, then click .
The Network Connections icon changes to a wireless signal strength bar, and any detected wireless networks are displayed in the menu.
Figure 77 Main Panel When Connected to a Wireless Network

If your network name is displayed, select the network name
from the menu. After you
are connected, the icon turns
blue (
).
If you do not see your wireless network name in the menu:
Click the icon on the main panel, then click .
In the Specify an ESSID dialog, type the wireless network name in the field.
(Conditional) If the wireless network is encrypted, click to display the field.
Type the encryption code, then click .
Your wireless network's name should now appear in the menu.
Select the wireless network's name.
Upon connection, the icon turns blue.
You can also confirm connection by selecting from the menu. If connected, your IP address is displayed in the Connection Information dialog.