Dell Inspiron 8500 - Manual (Page 95)

Setting Up a Home and Office Network 95
7 Enter the name of your network in the Network name (SSID) field.
8 If you are connecting to an ad-hoc network, which does not use any
routers or access points, click the check box labeled This is a
computer-to-computer (ad hoc) network; wireless access points are
not used.
9 Click OK.
Your new network name appears in the Preferred networks area.