Turn the router off, and unplug the AC power.
Turn the router on, and wait until the lamps show that it's fully ready.
Be sure that you have _not_ disabled your laptop's wireless networking.
On your laptop, click to "view available networks".
Does the router's "SSID" show up in the output?
Connect an Ethernet cable between the Ethernet-port on the router and the Ethernet-adapter on your laptop.
Click Start
Click Run
Type 'cmd' and press ENTER.
In the "black" window, enter 'IPCONFIG'.
Find the line showing the IP-address of the "Gateway", probably something like '192.168.xxx.yyy'.
Start your web-browser, and enter:
http://192.168.xxx.yyy
to connect to the router's web-interface.
Click to run the "Wireless Network Setup Wizard".
The router should restart.
Disconnect the Ethernet cable.
Repeat the "Show available wireless networks".
Or, try some other wireless-ready laptop or wireless-ready iPod Touch, to see if these devices can "see" your router's SSID.
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