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21 lut 2020 · I've tried all three (3) HDMI ports on the TV for the Xfinity box too. When the Comcast tech replaced my box the last time, he told me if the problem happens again, then it's a problem with the TV. Has anyone else had any problems like this or have any suggestions?
NO SIGNAL on your TV - How to FIX IT! - COMCAST XFINITY - SHAW BLUESKY. These steps will work not only for cable boxes, but for other devices as well. For example: Playstation or XBOX.
Troubleshooting steps. Make sure all power cables are plugged into working power outlets for the TV and for your X1 TV Box. Hand-tighten all cable connections to make sure they're not loose. If using an HDMI cable to connect the X1 TV Box to the TV, confirm that it’s plugged into the proper locations. Power on both the TV and the X1 TV Box.
5 paź 2023 · If your TV flashes the No Signal alert but your cable box is on, try reconnecting the HDMI cable. Start by powering down both your TV and cable box. Next, pull out the HDMI cable from your TV’s port and leave it disconnected for a good 2 minutes.
Verify that you have the correct equipment. Make sure you're using an HD TV Box on an SDTV with the output set to 480i or 480p. Confirm you're using HDMI or component cables. Check that you have the correct input in your HDTV for your connection type.
4 paź 2023 · A common issue that many Xfinity TV Box users encounter is a lack of signal or a weak signal, resulting in poor picture quality or no picture at all. Here’s how you can troubleshoot this problem: Check the connections : Ensure that all cables, such as the HDMI or coaxial cable, are securely connected to both the TV Box and your television.
Comcast box keeps giving "No Signal" message on TV. Need help. Official Reply. Xfinity cable box showing “No Signal” on tv. TV has three HDMI inputs. HDMI 1 - Playstation. HDMI 2 - Apple TV. HDMI 3 - Comcast box. First attempted solution: Use different HDMI cable. Result: Still “No Signal” Cable not to blame. Second attempted solution:
