Dell PP04S Owner's Manual page 74

Click Add.
6
The Wireless network properties window appears.
Enter the name of your network in the Network name (SSID) field.
7
If you are connecting to an ad-hoc network, which does not use any routers or access
8
points, click the check box labeled This is a computer-to-computer (ad hoc) network;
wireless access points are not used.
74 Setting Up a Home and Office Network