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The Daily Insight

Why is my Xfinity TV box not working?

Author

John Hall

Updated on February 15, 2026

Why is my Xfinity TV box not working?

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 do you do when your cable box stops working?

Carefully unplug the Set-Top Box power cord from the electrical outlet or power strip if you’re using one. Wait 30 seconds while the Set-Top Box completely shuts off. Plug the power cord back in. The Set-Top Box will automatically reboot – this may take a few minutes.

How do I reboot my Xfinity box?

To Reboot Your TV Boxes: Ensure your cables are tightly secured. Press and hold the Power button located on the front of the primary DVR TV Box for 10 seconds. The TV Box should automatically reboot.

How do I update my X1 box?

Click the Update Now button in the email provided or navigate to You will be prompted to login using your Xfinity ID and password. Click the Get Started button. Review the details in the What You Have and What You’ll Get fields to make sure the equipment listed is correct.

How do I reboot my Xfinity?

Open the Xfinity My Account app (available on Apple and Android devices). Scroll down and select the Internet tile. Select your modem, then select Restart this device (which can take up to seven minutes).

How do I reset my Xfinity x1 box?

Using the Restore Default option

  1. Hold the power button of your cable box.
  2. Now open the User Settings by pressing on the Power and Menu buttons together on your remote.
  3. Press the Up and Down arrow together to find the Restore Defaults option.
  4. Click on the Right button and then press OK to start the resetting process.

Why is the blue light flashing on my Xfinity box?

The flashing blue light on your Xfinity router indicates WPS pairing mode. It means that the router is looking to establish a secure connection with a wireless device. Then, it automatically changes to steady white light, indicating a protected link between the gateway and another device.