How do I activate my new Comcast cable box?

You can activate your cable box online or by calling Comcast. Newer X1 cable boxes can be activated directly from your TV….Activate on the Comcast website.

1. Visit .
2. Enter your account number and phone number.
3. Wait while your cable box is activated. This may take 20 minutes or so to complete.

Why won’t my Comcast cable box connect?

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.

How do you reset a Comcast cable box?

Restart Using the Power Button Press and hold the Power button located on the front of the TV Box for 10 seconds. The TV Box should automatically restart.

How can I watch Comcast without a cable box?

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.

What kind of cable do I need to connect my Comcast box to my TV?

Confirm that you have the correct cables. If your TV is an HDTV, you can use an HDMI cable to connect your Comcast box to your TV; if not, you’ll need standard A/V cables (the red, yellow, and white cables) to connect the box to your TV.

What to do if you don’t have a Comcast cable box?

Make sure that you have cable installed. If a Comcast representative didn’t come to your house to install cable, you’ll need to call Comcast and request the installation. If you call Comcast, be sure to have your account information and ID on-hand. Confirm that you have the correct cables.

What do I need to set up my Xfinity TV box?

Step 1. Find the “ Cable In ” port on your TV box and insert one end of a coax cable. Step 2. Connect the other end of the coax cable to the cable wall outlet. Step 3. Find the “ HDMI HD to TV ” port on the TV box and insert one end of the HDMI cable. Step 4. Find one HDMI port on your TV and insert the other end of the HDMI cable.

Where is the HDMI port on a Comcast box?

On most Comcast cable boxes, the HDMI port is either in the bottom-right corner of the box or at the bottom of the box’s back. X Research source If you’re using A/V cables instead, plug each cable into the same-colored port on the back of the box (e.g., plug the yellow cable into the yellow input).

What do I need to connect my Comcast cable box to my TV?

Connect the “HDMI to TV” port on the cable box to the HDMI port on your TV. You can use the HDMI cable that came with the box, or any other HDMI cable. Make note of the HDMI port that you use on your TV so that you can easily switch to it later. Many Comcast cable boxes have multiple HDMI ports.

On most Comcast cable boxes, the HDMI port is either in the bottom-right corner of the box or at the bottom of the box’s back. X Research source If you’re using A/V cables instead, plug each cable into the same-colored port on the back of the box (e.g., plug the yellow cable into the yellow input).

Why is my Xfinity box not connecting to my TV?

Xfinity said the box was bad and we had to get a new cable box. We are on the 2nd one today and can not get it to connect to the TV. Says no signal.

What can I do if my cable box wont work?

Called Comcast and Kelly tried to reboot cable box remotely, but unsuccessfully. She scheduled an appointment for a technician to come to our home, and suggested using Xfinity streaming app (free) to watch tv over Internet.