How to Connect Xfinity to TV?

How to Connect Xfinity to TV

Xfinity from Comcast is a service that delivers quality cable TV to your TV along with phone services and Internet. Now keep on reading to find out how to connect the Xfinity cable box to your HDTV to get some quality digital cable channels.

Comcast’s Xfinity has a cable box service you can connect directly to your TV for some classic cable television packages. However, the thing that separates Xfinity from its rivals is the fact that it combines Internet, phone, and cable into one service (and a single bill).

Aside from learning how to connect Xfinity to tv in cable box terms, you can also learn how to use Xfinity’s cable TV and Internet packages to allow for Xfinity TV and Streaming for both cable and on-demand online TV.

How to Connect Xfinity to TV

You can connect the Xfinity cable box to your TV through the usual means of HDMI or AV cables. On top of setting up your cable box with your TV, you can also use Xfinity’s Internet by Ethernet or Wi-Fi connection in order to also do streaming on top of viewing cable TV channels.

The landline doesn’t really figure into your HDTV connections or home entertainment setup. You should be good to go in connecting two out of three Xfinity services to your smart TV. If you feel like the landline is redundant, you can opt for Xfinity Double Play Bundles & Packages.

How Much Do Double Play Packages Cost?

If you don’t wish to go the Triple Play package because you don’t want a landline phone (you already have a smartphone, after all), you can avail of different Double Play packages that vary from state to state.

To be more specific, you can watch Xfinity TV with On Demand videos and channels as well as normal cable TV in one package. However, you still need to connect the cable box and the Wi-Fi or Ethernet connection separately unto your TV set.

  • STANDARD+ and SELECT+: For Connecticut, District of Columbia, Delaware, Massachusetts, Maryland, Maine, New Hampshire, New Jersey, Pennsylvania, Virginia, Vermont, and West Virginia, you can avail of the STANDARD+ package at 300 Mbps for $79.99 a month.

The SELECT+, meanwhile, offers 400 Mbps at $89.99 per month.

  • Popular, Ultimate, and Premier: For Arizona, California, Colorado, Kansas, Minnesota, Missouri, New Mexico, Oregon, Texas, Utah, Washington, and Wisconsin, you can avail of Popular Double Play for your HDTV or smart TV for $79.99 a month at 300 Mbps.

Meanwhile, there’s also Ultimate Double Play for $109.99 a month at 600 Mbps. Finally, there’s Premier Double Play at $134.99 per month at 1,200 Mbps.

  • Fast and Superfast: For Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Michigan, Mississippi, South Carolina, Tennessee, you can avail of Fast Internet with Popular TV for $80 a month at 300 Mbps.

There’s also Superfast Internet with Ultimate TV at 600 Mbps for $100 a month.

How to Connect Xfinity Cable Box by HDMI

After Xfinity is installed in your home by Comcast technicians, you can now plug the coaxial (COAX) TV cable from the wall outlet to the back of the Xfinity TV box (if the technicians hadn’t already).

  • Plug in the Coax: The coaxial cable should be screwed into the cable’s port in a clockwise fashion. The tiny pin should also line up to the pinhole in the middle of the cable box jack to avoid pin bending.
  • Plug HDMI to Cable Box: Line up the plug of the HDMI cable to the correct connection or HDMI-Out port at the back of the box. The HDMI cable will only connect when it’s oriented properly like with a USB plug. Push until the plug is seated fully into the port.
  • Plug into HDTV: Connect HDMI’s opposite end into the HDMI-In port of your TV. If you have more than one HDMI port, note which HDMI port you used (HDMI1, HDMI2, and so forth). Furthermore, plug the cable box into the power outlet and allow the system to connect.
  • Turn on the Cable Box: Switch the Xfinity TV cable box on and set your TV to the correct input you took note of earlier. Finally, to stream with Xfinity Internet, just go to settings and put in your Wi-FI password and/or plug an Ethernet cable into the TV’s Ethernet port.

How to Connect Xfinity Cable Box by RCA

If you’re using an RCA Cable Connection for a non-HDMI TV, do the following.

  • Plug in the Coax: You will still have to plug the cable TV coaxial wire into the back of your Xfinity TV box. Lineup the metal connector with tiny pin inside into the center of the pinhole of your TV box then screw clockwise until it’s tightly connected.
  • Match RCA Video Plugs to Ports: Match the color of the RCA plugs to the ports designated to them on the cable box. Yellow video plug goes to yellow port and so forth. Component plugs have RGB video plugs instead of a single yellow video plug.
  • As for the RCA Audio Plugs: You’ll have both red and white plugs going into the “Audio Out” ports of your Xfinity TV cable box and the “Audio In” ports of your vintage CRT TV. Red plug is for the right stereo and white is for the left stereo.
  • Component vs. RCA: Component video plugs offer superior analog signals compared to the standard-definition quality of RCA composite AV plugs because it can deliver up to 1080i (interlaced) signals of the Full HD or high-definition kind.
  • What about HDTVs with no RCA? You can match the RCA plugs to your HDMI adapter’s/converter’s RCA end then simply plug into the HDMI end into your HDTV HDMI-In port if your TV lacks RCA connections.
  • Plug the Cable Box: Plug your Xfinity TV cable box into the power outlet and allow its system to connect to your CRT TV or flatscreen HDTV. Set your TV to the correct input (AV1, AV2, and so forth or “VIDEO” mode) to gain access to Xfinity TV’s multitude of channels.


Why isn’t my Xfinity connecting to my TV?

Make sure you’ve tightened all cable connections from the wall to your device, turned on your TV and TV Box, checked your remote batteries and that your TV is set to the right input. If none of these worked, tap Continue. We’ll scan your device for potential issues. Choose a System Refresh or Restart a Single TV Box.

What input should TV be on for cable?

HDMI, or “High-Definition Media Input,” is the go-to port for all your modern devices. HDMI ports in your TV are used for both video and audio. In addition, most computers have HDMI capabilities, so you can use an HDMI cable to hook your PC up to your TV.

How do I connect my TV to cable?

Cable-to-HDMI installation

  1. Fasten the cable from the wall to the cable box’s Input, then plug the HDMI cable into the HDMI port on the back panel.
  2. Plug the other end of the HDMI cable into one of your TV’s back-panel or side-panel HDMI ports (most new TVs have more than one to accommodate multiple devices).

Why is my Xfinity TV box not working?

If your Xfinity Cable Box isn’t working, restart the Comcast cable box. If this doesn’t get the Xfinity cable box to work, proceed to factory reset it. I’ve also talked about using the Xfinity My Account App to reset your cable box, using the restore default option, and calling Comcast Tech Support.

Why does my Xfinity say no signal?

If your Xfinity TV displays weak or no signal message on your TV screen, it means the TV is not receiving signal from your TV box. It can be caused by not turning off after use, not appropriately connected to the TV, or setting your TV to the wrong input.

Why does Xfinity Stream not work?

If Xfinity Stream is not Working on Chrome, clearing the browser’s cache and enabling Flash extension on Chrome does the trick. If Xfinity Stream is still not working, restart your computer and try using ethernet cables to connect your device to the internet.

Can I connect my cable box to my TV wirelessly?

With a wireless video HDMI kit, simply connect a transmitter to the existing set top box in your living room and a receiver to your TV. It’s a great option for people who don’t want to run cables across the house. Instead, you and your friends can enjoy a wireless streaming experience wherever you place your TV.

Do I need a coax cable for Xfinity TV?

X1 Wireless TV Boxes (Xi5 and Xi6) allow you to watch live TV through your in-home Xfinity network, without the need for a coaxial cable connection.

How do I connect my modem and cable box to my TV?

Insert your Ethernet cable into one of your modem’s “out” ports, then plug the other end of the Ethernet cable into your smart TV’s “internet in” port. Then, power on the TV and modem. Select Input on the TV, then choose Internet. Your internet options will vary according to your TV.

Why is my cable not connecting to my TV?

Since the number one reason for a No signal error is, well, loss of signal, check all connections between the cable box and TV. Check the ports and clean out any dust or dirt in them with a dry microfiber cloth or an earbud. If your cable box uses HDMI, make sure the ends of both connectors are not bent or damaged.

What channel does the TV need to be on for Comcast?

Access Xfinity On Demand on TV

To access Xfinity On Demand on your TV: Press the On Demand button on your Comcast remote control or tune to Channel 1.

Why won’t my TV let me change the input?

You may have the wrong input selected for your device. Make sure the cable connecting your device to the TV is not loose or faulty. You should also try a different port in case it is the port that doesn’t work. Check the display settings on your device.

What do you do when your cable says no signal?

Check the cable connections between the TV and your video device or receiver. Change the channel or try a different input device or movie. The received signal may be weak. If your TV uses a cable or satellite box, you may need to contact your service provider for further assistance in improving the signal strength.

Do you need a cable box with Xfinity?

No TV Box is required to watch Xfinity Instant TV. You can also watch using the Xfinity Stream app on your compatible smart TV, smartphone, tablet or Roku device. You can even go to the Xfinity Stream portal on your computer.

Why does my TV say no signal when HDMI is plugged in xfinity?

Switch on your input ports

In a situation where there is a problem with your TV input, there will be an issue reading the signal that comes from the TV box. To quickly rectify this, you need to change the input port to which you originally connected. With the remote, you can change to another input port.

Why does my TV say no signal when HDMI is plugged in?

The “no signal error” on a TV is due to using the wrong HDMI cable, a faulty graphics driver or a damaged HDMI port.

Can I watch live TV on Xfinity Stream?

Introduction. Learn how to watch live TV on your Android device using the Xfinity Stream app. Note: Live TV streaming over the Internet outside of your in-home Xfinity network will count against your Internet data usage, and data rates will apply while connected to any mobile network (3G/4G/LTE).

Why is Xfinity Stream not working on Samsung TV?

If Xfinity Stream app is not working on Samsung TV, reinstall the Xfinity stream app on your Samsung TV. If that does not work, updating the TV to the latest firmware should get Xfinity stream app working again.

Can I watch my Xfinity away from home?

Over 250+ channels can be live streamed when you’re not home using the Xfinity Stream app and portal. You can also watch on the Xfinity Stream Beta app for Amazon Fire TV devices, as well as cast it to supported Chromecast devices.

What You Ultimately Need to Find Out

Way back in February 2010, Comcast started rebranding its consumer Triple Play service offerings under the Xfinity brand. The umbrella of services allowed consumers to combine Comcast phone, Internet, and cable TV into one package or bill.

Its digital cable service was renamed “Xfinity TV”, Comcast Digital Voice was renamed “Xfinity Voice”, and Comcast’s High-Speed Internet became “Xfinity Internet”. The rebrand helped emphasize how you can avail of two to three services under one bill instead of separate bills for your convenience.


  1. Jean Sommer, “How to Connect a Comcast Cable Box to a TV“,, Retrieved April 29, 2022
  2. All That You Get with Promotional Xfinity Double Play Deals |2022“,, Retrieved April 29, 2022


Author: James Core

I write dozens of helpful informational articles based on topics that I have identified again and again throughout my research and work experience. I am here to help you find the right CABLE AND CONVERTER for your needs.

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