Why is my Xfinity cable saying no signal?

When we turned on the tv, it says no signal. First, ensure TV's input is on the cable input. If that is okay, reboot the cable box to reinitialize service. If that does not work, call into Comcast at 1-800-266-2278 or 1-800-934-6489 and speak with a CSR about sending authorizations to that cable box.

Likewise, why does my Xfinity TV say no signal?

No signal usually means that the TV set is on the incorrect video input. Check to see how your cable box is connected to the TV set. If connected via RF-coaxial cable, the TV should be on channel 3 or 4.

Secondly, how do you fix a TV when it says no signal? UNPLUG THE CABLE GOING FROM THE TV TO YOUR CABLE OR SAT BOX -Remove the HDMI cable or other cables from your Cable TV or SAT set top box. -Keep the cable unplugged for 2 to 3 minutes. -Plug the HDMI cable or other cables back in. -Give it some time for the Cable or SAT box to get the signal and initialize.

Furthermore, why is my Xfinity cable not working?

When troubleshooting an issue with your Xfinity X1 TV Box, you may be directed to restart the device or you may resolve it online with a system refresh. Restart from the Xfinity My Account App. Restart from the Help Menu. Restart Using the Power Button.

Why does my cable say no signal?

First check that your TV is set to the correct Source or Input, try changing the Source or Input to AV, TV, Digital TV or DTV if you haven't already. If your “No Signal” message is not due to incorrect Source or Input being selected, then it's most likely caused by a set up or antenna fault.

32 Related Question Answers Found

How do I fix no signal?

If the "No Input Signal" error still appears, the problem does not rest with the cables or the monitor, but with your PC. Open your PC case and locate your video card. Remove the card and then replace it firmly in its slot or, if possible, insert the video card into another slot on your motherboard.

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

The No Signal message indicates a problem with the cable connection or the external device. Disconnect the HDMI cable from the TV and move it to an alternate port. Plug the device back in, and power the device back on. Change the TV to the new HDMI input to see if the issue is resolved.

How do you fix a Comcast TV when it says no signal?

Check the video input selector on the TV that it is set for the input the cable box is connected to. Check that the cable box is actually turned on and not in standby. If all else fails, unplug the AC for both the TV and cable box. Plug in the TV first, then the cable box, turn on the TV, then turn on the cable box.

What channel should TV be on for Xfinity?

If you are using a coaxial cable, in most areas the TV should be on channel 03, some areas it should be on channel 04.

How do I know if my cable box is bad?

The channel might not change, the image might be frozen, the playback features may not work, and so on.

Step 1 – check for power. The first thing you have to do is to check if the television and the box are receiving power.
Step 2 – Check if the TV is working.
Step 3 – Check the connections.
Step 4 – Reboot the cable box.

What does no signal mean on TV screen?

The No Signal, No Source or No Input message will appear on your television screen when the television is not receiving a signal from your Digital Box. This is often a result of either the Digital Box being powered off, not being properly connected to the TV or if the TV is set to the wrong input.

How do I get my TV back to cable?

Use the coaxial cable to connect your cable wall outlet to the IN input on the back of the HD Set-Top Box/DVR. Using the HDMI cable, plug one end into the HDMI output on the back of the HD Set-Top Box/DVR, and the other end into the HDMI input on the back of your TV.

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 tighten my cable connection?

Tighten Your Connections

First, locate the connection between the cable and the wall, and twist it to the right as far as it will go. A good rule to go by is "finger-tight." Make it as tight as you can without the help of a wrench or tool. Next, find the point where the cable connects to the back of your equipment.

Are there any xfinity outages in my area?

To check for an outage in My Account: Sign in to My Account. If all of your services show a green status, there are no reported outages in your area. If you're having issues with your services but there isn't an outage, you can try troubleshooting them instead.

How do you troubleshoot WIFI?

Step 1: Check settings & restart

Make sure Wi-Fi is on. Then turn it off and on again to reconnect. Learn how to connect to Wi-Fi networks.
Make sure Airplane mode is off. Then turn it on and off again to reconnect.
Press your phone's power button for a few seconds. Then, on your screen, tap Restart.

Why is my TV not connecting to cable?

First turn off the power on the TV and unplug it. Then pull out the HDMI cable from either the box or the TV (doesn't matter which). Plug the TV back in and turn it back on. Finally, plug the HDMI back into HDMI 1 and make sure the TV is on the HDMI 1 input channel.

How do I send a refresh signal to my Comcast box?

Scroll using swipe to left to the name/device you want to refresh, then hit continue word near the bottom. Then select "my cable box is acting strangely". Refresh signal will be sent to that device.

What does no signal mean?

"No Signal" is a message coming not from your computer, but from your display device, indicating that it has nothing to display.

What does HDMI no signal mean?

If you're getting TV or monitor no signal issues when you connect them to your PC via HDMI ports, don't worry. You're not alone. The No Signal message means that the TV or monitor isn't getting any input from the currently selected source.

Why does my Roku say no signal?

If there is no signal whatsoever and your Roku still isn't responding, the issue may be that you're using the wrong power adapter. Make sure that it's the one that came in the box with your Roku player. Original AC adapters always work best. And using third-party adapters can cause issues with power and loss of signal.

Why is my antenna not picking up channels?

Possible causes: Once you have properly installed the antenna, changed the input on your TV to 'ANTENNA', and run a channel scan, you should be receiving at least some of your local channels. If this is not the case, the reason could be one of the following: There is not a clear line of sight to the broadcast towers.