Hello My Friend,

Welcome to Just Answer.com. My name is XXXXX XXXXX X am a Microsoft- Certified Technician who will assist you today.

Please, follow these steps on the computer(like your desktop computer) which is connected to the router using an ethernet cable. However, if you have only laptop, please connect an extra cable from router to laptop

Also, please make sure that Modem must be connected to the Internet/wan port of the router.

Open an Internet Explorer browser and type the router IP address
192.168.1.1
Hit enter.
Now, type the use name=admin
password=password
Now, click OK.
Select Wireless Settings from the Setup menu in the left-hand navigation bar.
Under Wireless Network, you will see your network name in the Name (SSID) box.
Under Security Options, you will find your security key.

Note: Fixing computer is a lengthy process. If not fixed, please ask me again and I will provide you new steps immediately.
Confirm this expert's assistance by pressing the ACCEPT button.