How to install cable moden in new computer

Download Article Explore this Article Steps. Tips and Warnings. Related Articles. Author Info Last Updated: September 15, Check your cable modem and its accessories.

Take the modem out of the box and determine if what you have is indeed a cable modem. It should have a coaxial port, or a small cylindrical protrusion located on its back. A DSL modem won't have that; instead, DSL modems have telephone cable ports like those you find on telephones into which you can plug in the telephone line coming from the wall.

Accessories should include the following: An Internet cable for connecting the modem to your computer The cable modem's power adapter A coaxial cable for connecting the modem to the cable line. Check the voltage rating of the power adapter. Before you plug a modem, make sure to read first the voltage rating written on the power adapter to make sure that it matches the voltage rating of the outlet you are going to plug it into.

Doing so will help avoid any short circuit. Power up. Once you've taken the cable modem out of the box, take the power adapter and plug it to the power port on the modem located along the area of the coaxial cable. Take the other end of the power adapter, and plug it to a power outlet.

Connect the cable to the modem. Take the coaxial cable coming from your wall and connect it to the port at the back of the modem. Tighten it securely by screwing the cable into the port.

Take the LAN, or Internet cable, and plug one end to the back of the cable modem. There's only one port on the modem where the Internet cable can fit into, so it's pretty easy find.

Take the other end of the Internet cable, and plug it to the back of your computer the same port with the modem. Switch on your computer and your cable modem. Press the Power button on your modem to switch it on. As it boots up, the lights on the cable modem will blink, telling you that it's trying to connect to the ISP's server. Once the cable modem establishes a connection, the lights will become steady. This cable will connect to your sound card , motherboard when onboard sound is present , or DVD decoder card.

After the modem has been installed, close the computer case. Reconnect the keyboard, monitor, and power cable. We recommend you do not connect all the cables yet. If problems are experienced, you may have to disconnect all the cables again. Turn the computer back on and as it begins booting, enter BIOS setup. Verify the serial interface COM port is enabled or set up on the port that you want the modem to use. The first thing you want to do is connect your router to a modem that is already working and connected to the internet.

You will want to connect your new router and go through all of the setup steps in order to set up a wifi network. Turn off your modem, connect your router, then turn your modem and router back on.

Most routers come with some built-in settings and the device works out of the box. These are the manufacture default WiFi settings and you should be able to connect to them. After that, check to see if your router requires any type of software to install either via download or a CD. If neither of those work, you should call tech support for the router and they will help you get started.

Disconnect your current modem and connect your new modem, copying the original cable configuration. Unlike routers, most ISPs require that you call and activate your new modem device with them.

Look at the side of your modem for a sticker. There should be a field that says MAC — this is the id that you will need to give your internet provider in order to have them activate your device on the network. This last step is only if you were renting your equipment from your provider. After activating your new modem, you should bring back all of your old equipment so that you get credited back on your monthly invoice.

We recommend that you take the equipment back in person and get a receipt in order to avoid any return issues.