If your wireless network is not secured then anyone can connect to your wireless network and they can access your Internet.
So make sure that your wireless network is secured.
If your network is not secured then make it secured today.
To change the wireless settings of the router, you will need to open the router set up page.
Set up page of the router is a place where you can change the settings of the router.

What wireless settings do you need to change ? You can change the name of the wireless network ( SSID) and the type of security.WEP / WPA / WPA2 are the type of security for the wireless network

Follow the Easy steps of Easy setup Guide.
Is there any computer connected to the router with the Ethernet cable ?

If not then you will need to connect the computer to the router in one of the Ethernet ports on the router. It is recommended that the computer should be connected to the router with the cable. If you change the wireless settings of the router using a wireless computer then you will lose the connections to the network.

If you have computer connected to the router then we will open the router set up page.

What is the Operating system of your computer ?

 

WINDOWS ME /98 >>     WINDOWS XP / 2000 >>

WINDOWS VISTA / 7 >>     MAC OS >>

 

How to check the Operating system on the windows computer ?
Click Start ==> You will see " My computer" or " Computer ". Right click on it and go to Properties option. It will open a new window. On this window you will see the operating system of your computer.
OR click Start ==> Go to RUN ==> In the RUN box type winver and click OK.