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Connecting the Cable Box. Attach the Comcast coaxial cable to the box. Find the cable that Comcast installed—it will usually be sticking out of the floor or the wall behind your TV—and plug it into the metal coaxial input in the back of the cable box, then screw the connector clockwise to tighten it.
How do I activate my Comcast box?
Activate Your Equipment Online Connect your Internet, Voice and/or TV equipment and turn it on. Go online to Xfinity.com/activate for easy step-by-step activation instructions. If you’re activating your Xfinity Mobile device, go to xfinitymobile.com/activate.
What input should TV be on for cable?
If you’re using a coaxial cable, your television’s on-screen input list will usually label it as either TV or ANTENNA. On the back of the television it will usually be labeled ANTENNA or a variant of it, such as ANT. Most televisions will also need to be on either channel 3 or 4 when using a coaxial 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.
Do I have to activate my Comcast cable box?
When you receive a cable TV set-top box from Comcast, it will need to be activated before you can receive channels on it. You can activate your cable box online or by calling Comcast. Comcast will not activate cable boxes purchased used.
Why is my Xfinity cable 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. We’ll refresh your system or restart your TV Box.
How long does it take to set up a cable box?
your set-top box, then into an electrical outlet. Your set-top box will begin booting up. This process may take up to 10 minutes. *If you are using the HDMI cable, you will only use one coax cable for your set-top box connection.
Why won’t my cable work on my TV?
Reconnect all cables at the back of the TV or box, making sure that the cables are all properly connected (you want to avoid loose cables that could cause signal loss) and if you have a signal booster connected, try removing that and plug the antenna cable straight into your receiver, recorder or TV.
Can I connect cable directly to TV?
Just plug the coax cable directly into the TV. But first, you need to do a channel scan with your TV to find all the basic tier stations. When you do the channel scan, be sure to set the TV to “CABLE”, not “OFF THE AIR”.
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.
How do I setup my Comcast cable box without HDMI?
How to Connect a Comcast Cable Box to a TV Plug the coaxial cable from the wall outlet into the back of the Comcast cable box. Match the colors of your composite or component RCA cable plugs to the jack colors on the back of your cable box. Insert the video RCA plugs into the back of your television.
How do I know if my house is wired for Xfinity?
Step 1: Inquiry. If you’re signing up for new services or moving, you can check online to see if Xfinity service is available at your address. If you can’t find your address online, you can chat with us at xfinity.com/chat or call 1-800-Xfinity and we’ll determine if service can be provided to your address.
What input should my TV be on Xfinity?
What input should my TV be on Xfinity? HDMI is the current standard for Video Input for the Xfinity TV Box.
Why does my TV say no input detected?
This indicates that your TV is probably on the wrong input. The easiest way to do that is to use the remote control that came with the TV itself. There may be a button on it called Input or Source, or it may have a row of buttons for each input type.
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. If you have a Comcast remote control with the xfinity button, press this button and then select On Demand from the On-Screen Guide’s main menu.
Does my cable box need to be connected to modem?
For the Internet items – the router and modem do NOT have to be near the TV, because it has wireless and will use your Wi-Fi to connect, assuming you have that in your router (most all do these days). The cable box does need to be there, for the cable connection.
How long does it take for a new Xfinity box to work?
In most cases, your TV Box should reset in 15 minutes. In some cases, the program guide or other services may take 45 minutes before they are available.
How long does it take for Xfinity box to boot?
This can take up to 10 minutes. Restart Device: This will allow you to select one TV Box to restart. This can take up to 5 minutes to complete.
How long does it take for xfinity to activate account?
Activation times vary by carrier and whether you’re keeping your number. Typically, the process only takes around 10 minutes. But if you’re transferring your number from a previous carrier, keep your old phone and your new one close by, just in case.