How To

Xfinity Cable Box Not Working – How To Fix It?

Xfinity cable box not working – how to fix it? The Xfinity brand has only one product line, which makes the Xfinity box an indispensable tool. The Xfinity box provides users with a high-quality video and audio transmission.

As an Xfinity TV owner, you may experience issues with your TV cable box having issues holding signals or playback features like pause, record, or rewind not working.

After using the Xfinity cable box for some time, I’ve noticed that the box has trouble holding the signal.

That just doesn’t work when I’m trying to relax on my couch and watch my favorite TV shows.

I spent hours searching online guides to fixing this xfinity cable box not working problem. Usually, a simple restart will bring the signal back.

In this article, you will find a detailed guide on how to repair your xfinity cable box not working. You understand the first steps to take in this scenario.

If your Xfinity cable box doesn’t work, restart the Comcast cable box. If this doesn’t work for the Xfinity cable box, do a factory reset.

I also talked about using the Xfinity My Account app to reset your cable box, use the restore defaults option, and call Comcast tech support.

Causes Of Xfinity Cable Box Not Working Issue

Most problems with the Xfinity box are caused by a bad connection or a malfunction in the set-top box, and a simple restart is usually enough.

However, here are the reasons why your Xfinity box might not work:

  • You have not connected the power cord properly.
  • Input or output cables have bad connectors.
  • There is a problem with your settings.
  • The cable hangs from a program.
  • Connection problems.

How To Fix Xfinity Cable Box Not Working

Comcast Junction Box No Power Light: Troubleshooting

If the power light on your Comcast Cable Box is not lit, try unplugging and plugging it back in. If that doesn’t work, you may need to reset your Comcast Digital Adapter. I’ve written a special section below on how to reset your Comcast Digital Adapter. You can fix xfinity cable box not working either by resetting or restarting the Cable Box.

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Resetting or Restarting Cable Box

There are two ways you can fix your xfinity cable box not working: reset or restart. Restarting is an easy way to fix most errors.

With the Xfinity Cable Box, a reboot will cause your system to be updated keeping all your previously saved data.

If the reboot doesn’t work, you can reset your Xfinity Cable Box.

Factory data reset erases all previous data and restores the device to its original settings.

Use this method if you don’t mind losing stored data, such as recorded programs.

Restart your Xfinity cable TV box to fix xfinity cable box not working

You have three methods to reboot your Xfinity Cable box. I’ll walk you through each of them step by step.

Use the power button on your Comcast Cable Box

This is the first step to getting your signal back. All you need to do is turn off the streaming device.

If your Xfinity remote won’t turn off your TV box, follow these simple steps to fix it:

  • Locate the power button on your Xfinity cable box
  • Press and hold the button for about 10 seconds
  • The device will then reboot automatically

Disconnecting the Xfinity Cable Box

Unplugging your cable box will allow you to reboot your device. Follow these steps to get the signal back on the cable box:

  • Turn off your Xfinity cable box.
  • Unplug the appliance from the mains
  • Wait 10 seconds and plug it back in
  • Press the power button
  • Your device will then restart automatically

Using the Help menu on the Xfinity cable box

If you have an Xfinity remote, you can use this method to reboot the cable box.

  • Locate the A button on your Xfinity remote. Press to open the help menu
  • Select the Restart option and then press OK
  • You will receive a confirmation message at this point. Press OK and select Restart again
  • Your device will then reboot in a few minutes

Factory Reset Your Xfinity Cable Box

Factory resetting the Xfinity cable box will result in data loss. It is better to continue with this option after trying all restart methods.

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Using the Xfinity My Account App

The Xfinity My Account application is available for both iOS and Android. By downloading it on your smartphone, you can easily perform a factory reset.

Follow these steps to perform a factory reset using the app:

  • Open the Xfinity My Account app installed on your smart device
  • Under the overview menu, you will find the TV option
  • Select the device you need to troubleshoot
  • Select Troubleshoot, then tap Next
  • Now select System update to reset the Xfinity cable box

Using the Restore Default Settings option.

If you want to restore factory settings without using the app, you can do it with the remote control.

Follow these steps to get it done:

  • Press and hold the power button on your cable box. Make sure the device is turned on, which can be confirmed by blinking green lights
  • Now open the user settings by simultaneously pressing the Power and Menu buttons on your remote control.
  • Simultaneously press the up and down arrows to find the Restore Defaults option
  • Click the Right button and then click OK to start the reset process

Call Comcast Technical Support

If you still can’t get your Xfinity cable box to receive a signal, you need professional help. Call the customer service number from your phone.

Call 1-800-Comcast during business hours or 1-800-266-2278 and let the technician know what the problem is and your customer account number.

The technician then performs a signal reset from their computer. This will update your device. This process can take several minutes.

How To Reset Xfinity Cable Box With Remote

Let’s say you don’t have the Xfinity My Account application installed on your mobile phone or tablet.

You can still perform a factory reset by going to the Restore Defaults option in the User Settings menu.

Follow the steps below to guide you:

  • Press the power button on your streaming device.
  • Press the power and menu buttons on your remote and wait for the User Settings menu to appear on your screen.
  • Press the up and down arrow keys on your remote to select the options for restoring the default settings.
  • Press the right button and then click OK to do a factory reset on your cable box.

Did it fix your Xfinity Cable Box Not Working?

I have gone through all the methods you can use to get the signal back on the Xfinity Cable TV Box including restarting and resetting your Xfinity Cable Box.

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Maybe your Xfinity cable box is working fine, but your Xfinity remote isn’t working. If so, try setting up your Xfinity remote again.

It is better to use the reset option only after you have tried all the reboot methods because it will cause you to lose previously saved data.

If none of the reset or restart methods works, it is better to call the customer service number and get help from the technician to solve your problem.

If you’re tired of troubleshooting and just want to see what else is out there, don’t forget to go through Xfinity’s early cancellation process to avoid cancellation fees.

Xfinity Cable Box Not Working – Frequently asked Questions

Why is my cable box not getting a signal?

Your cable box may not be able to receive a signal due to inclement weather or hardware issues.

This problem occurs when there is a shower or disturbing wind.

You can easily restore the signal by turning off the device for a few minutes or by doing a quick reboot.

What input should the TV have for cable?

The most common TV input cable is HDMI. Take your TV’s remote control and press enter, then select the HDMI version, e.g. HDMI 1, HDMI 2, or HDMI 3.

Can a Smart TV work without a cable box?

You can watch TV without connecting it to a cable box. When the TV is connected to Wi-Fi, you can download popular streaming apps and pay a subscription fee to access their services.

Why is my Xfinity cable box not having a signal?

Your Xfinity cable box may not be receiving a signal due to inclement weather, particularly rain or strong winds. It could also be due to some hardware issues.

You can restore the signal by quickly restarting the cable box or turning it off for a few minutes.

Why do I have to restart my cable box every time?

Your cable box actively searches for updates and automatically receives them without your permission. You can contact customer service if this normally interferes with your scheduled reset time. The daily restart is essential and completely normal.

How do I update my Xfinity box?

Your TV will occasionally provide you with updated TV software and an onscreen display will prompt you to update the software. If you are interested in the update, you can use your Smart TV remote control to navigate the screen displays or click the Update Now button in the email you received. You can also log in to the Xfinity Devices website using your Xfinity ID and password.


I am Mr. 9jaboizgist, a dedicated content writer and the proud owner of 9jaboizgist, a versatile blog covering a wide array of topics. With a passion for blogging and a knack for delivering up-to-the-minute information, I specialize in curating engaging content in the fields of technology, business, finance, banking, loans, insurance, and the Internet.