How To Activate a New Comcast Modem

How To Activate a New Comcast Modem

What is Comcast Modem?

A modem is a device that connects your home, usually through a coax cable connection, to your Internet service provider (ISP), like Xfinity. The modem takes signals from your ISP and translates them into signals your local devices can use, and vice versa.

How To Activate a New Comcast Modem

  1. Download the Xfinity app for free from Google Play or the App Store.
  2. Sign in using your Xfinity ID and password.
    • Notes:
      • If you don’t have an Xfinity ID and password, you can create these on the sign-in page.
      • If you’re activating a gateway, you might be prompted to start the activation as soon as you sign in.
        • If you aren’t prompted, proceed to Step 3.
  3. Once you’re signed in, select the Account tab from the bottom right of the Xfinity app.
  4. Select Activate xFi Gateway or Modem under the Devices section.
  5. If you’re activating WiFi Boost Pods, select Activate WiFi Boost Pods under the Devices section.
    • Note: You can also begin the activation of a Flex streaming TV Box using the Xfinity app.
    • For more information, see Xfinity Flex activation process overview.

Frequently Asked Questions

How do I get Xfinity to recognize my new modem?

If you aren’t prompted to begin the activation process as soon as you sign in to the app, navigate to the activation entry point by selecting the Account tab from the bottom right corner of the Xfinity app and then pick Activate xFi Gateway or Modem under the Devices section.

How do I get my new modem to work?

Plug the power cord into the power port on the back of your modem and the other end into an electrical outlet that is not connected to a switch. Result: The modem lights start to flash and light up. Allow the modem up to 15 minutes to finish processing.

Do I need to call Comcast to activate my modem?

Go online and you will automatically be connected to the XFINITY Activation Web page. 3. Follow the instructions on the displayed screens. Or, if you would like to activate your new XFINITY Internet service using your phone, please call 1-800-931-0790.

Why won t my new Xfinity modem connect?

Confirm the equipment cables are plugged in and the coaxial cable has been tightened as much as possible using your fingers to both the wall outlet and your equipment. Unplug your equipment, wait one minute, and then plug it back in. This method, known as powercycling or restarting, can fix many connection problems.

What is Comcast new modem?

The latest generation xFi Advanced Gateway allows you to supercharge your home with supersonic WiFi. It’s super-fast at handling multi-Gig speeds, capable of powering hundreds of devices at once and has three times the bandwidth for more reliable connections.

Is Comcast and Xfinity the same?

Yes. Comcast owns Xfinity and launched the brand back in 2010. Comcast offers internet, TV, home security and phone services under the Xfinity brand.

How does a Comcast modem work?

A modem is a device that connects your home, usually through a coax cable connection, to your Internet service provider (ISP), like Xfinity. The modem takes signals from your ISP and translates them into signals your local devices can use, and vice versa.

How do I activate my Comcast cable box online?

Go online to www.comcast.com/activate to be connected to the XFINITY Activation Web page. 3. Follow the instructions on the displayed screens. Or, if you would like to activate your new XFINITY TV service using your phone, please call 1-888-270-6445.

Why is my new modem not working?

Examine all of your cables and make sure nothing is loose or damaged. Also, test your coax outlets to make sure you are getting an Internet signal. Reboot/Restart your router and modem. Sometimes your cable modem and router need a reboot/restart.

Why is my modem connected but no internet?

There can be a number of reasons for having no internet, even when the Wi-Fi symbol shows that you’re connected. The most common cause is a problem with your router or modem, or a loose cable, but your internet can also fail because of a more technical reason.

What to do if my modem says no Internet connection?

Unplug your modem for at least 10 seconds, then plug it back in. Unplug your router for at least 10 seconds, then plug it back in. Wait for your router’s power, internet signal, and Wi-Fi lights to turn on. When the internet signal light starts blinking, reboot your computer.