How to add a new computer to the existing network ?
When you purchase a new computer or a new device, you will like to use it in the same existing network. If your router is already set up and one or more computers are already going online then in this case you don't need to change the settings on the router.You will need to check the settings of the new computer.
Sometimes it also happens that one of your computer would not be able to access the Internet. But still there are some computers online using the same network. In this case, the problem is not the router. It must be your computer. you will need to check the settings of that computer.
Adding a wired computer or a device to the network OR one of the wired computer is not working
You don't need to run the CD or any program to add a new computer to the network or one of your computer is not able to access the Internet.
If you are adding a desktop or any other device to the router which will always be connected to the router with the Ethernet cable, then in this case you don't need to do anything. You can just connect the Ethernet cable between the router and the computer and it should work.
Once you connect the cable between the computer and the router, your computer should get the IP address from the router and it should go online without any problem. If you are not able to go online even when it is connected properly then check IP address of the computer.Make sure that there is no static IP address on the computer . Also the Local area connection should be enabled.
Adding a wireless computer or device to the network OR one of the wireless computer is not working .
If you router is already set up and you want to add a new computer, you don't need to run the set up CD for the router again.
If you want to add a new wireless device ( laptop or any other wireless device) to the network, then you should know all the wireless settings of the router. What wireless settings do you need to know ?
You should know the wireless network name ( SSID ), wireless channel and the wireless security password ( network key ). Once you get all the wireless settings of the router , you will need to connect to the wireless network on the computer.
When you try to connect to the network , you will see your wireless network in the list. You just need to select your network and connect to it. If it is secured then you will need to enter the network key and you will be able to go online.