Dell Inspiron 600m Owner's Manual page 89

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