Won't connect to linksys router - Motorola WU830G 802.11g/b (51272000100) Wireless Adapter

Has the AC jack been damaged in the Linksys, due to pulling of the cord? Try wiggling the plug at the rear of the linksys to verify the connection. Check, reseat ALL cables. If it's connected to the ISP modem, can you use a Ethernet cable on the Linksys to the computer to verify signal? It may be bad, hard to say for sure.

To reset the Linksys back to the default settings - Press and hold the pinhole RESET button at the back of the router with the power ON for 20 secs. then release the RESET button.
To connect to your wireless router, the router's wireless settings needs to be configured with the SSID, encryption etc. and also the wireless cards in all the laptops/computers needs to be configured with these router's wireless settings. Then the laptops/desktop computers can communicate with your wireless router.
Connect a LAN cable from the Linksys to the LAN port on your computer.
Open a browser and enter the Linksys configuration URL
http://192.168.1.1
The default login = admin
The default PW = admin
You can protect your router by changing the default admin PW (write it down and put it in a safe place)
Go to the wireless configuration and set up the SSID and WPA or WPA2 encryption to protect your wireless network and Internet from unauthorized access.
Now apply these settings to the wireless card in your laptop/computer.
To secure your wireless network from unauthorized access, please click on this link and follow my instructions :- http://www.fixya.com/support/r3559128-wireless_router_security

Are you trying to run the CD to setup your router?
You can setup your router manually also.
Connect the computer to the router and modem to the router.
Change the Internet connection settings on the router according to your Internet service provider.
Read Linksys router setup

Select the channel of the wireless network to 1.
This will start working.
Please follow the link.
Basic Wireless Settings

Check the wireless settings of your router. Connect the computer to the router and open the setup page of the router. The wireless settings might be changed. Follow this link to find wireless network key

reset ur router now connect to ur router using a wired connection now setup ur router...r use network magic to assist http://www.purenetworks.com/download/ if this help vote.

have you tried using a cat 5/6 cable to directly connect to the router, if you do not have an IP you won't be able to see it.

Here is the step-by-step instruction to reset Linksys WRT120N Router

• First af all you have to make sure the power is "On" . Power the router up while pressing the reset button located at the back of the router using pencil or paperclip
• After around 30 seconds you will be prompted with the boot loader. Connect the boot loader using the standard IP address if you have not changed it (http://192.168.1.1)
• Upgrade the firmware to the latest one from Cisco site
• Power cycle the router and allow it to come up.
• When it is fully up, press and hold the reset button for 5 secondsThe LED light will blink indicating that you're done holding the reset bottom. If the Power LED won't blink try to press and hold the Reset Button for I minute and then power cycle the router for another 1 minute.
• Power cycle the device and now you have reset your linksys WRT120N router See the following link if you forgot to setup linksys router

(http://infoteknotainment.com/reset-linksys-wrt120n-router)