The wireless clients seem to be communicating, but they do not appear in the My Computer screen or in the My Network Places screen.
Verify that File and Printer Sharing is enabled on all the computers on your network.
Open Control Panel.
Note for Windows Vista and XP Users: If you are looking at Category View in Windows Vista or XP, click Switch to Classic View.
In Control Panel, double-click Network and Sharing Center, Network Connections, or Network and Dial-up Connections, depending on your version of Windows.
Windows Vista Users:
Click Manage network connections.
Right-click the network connection for your wireless adapter and then click Properties.
In the network connection properties screen, verify that the File and Printer Sharing for Microsoft Networks check box is selected. If this item is not present, click Install. In the Select Network Component Type box, select Service and click Add. In the Select Network Service box, select File and Printer Sharing for Microsoft Networks and click OK. Close the network connection properties screen.