Dell TrueMobile 2350 User Manual page 27

Once you have determined what service pack is installed then follow on of the below sections
How to Setup Microsoft Windows XP Clients without Service Pack 2 to Connect to the Router
How to Setup Microsoft Windows XP Clients with Service Pack 2 to Connect to the Router
How To Setup Microsoft Windows XP Clients with Service Pack 1 to Connect To
The Router
Configuring Automatic Network Connections
To configure one or more wireless networks for auto connection, follow these steps:
1. Click the Start button, and then click Control Panel.
2. If you are looking at the Category View of Control Panel, click Switch to Classic View.
3. Double-click Network Connections.
4. Right-click the Wireless Network Connection icon, and then left-click Properties.
5. Click the Wireless Networks tab.
The network name you set up should be present.
Wireless Network Connection Properties