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Aug 4, 2022 · In this video, I show you how to reset a cable box that is not working properly. Every once in a while my cable box goes haywire and stops working. This is usually a simple software issue...
- 3 min
- 93.5K
- Helpful DIY
- What Is A “No Signal” Problem?
- No Signal When Cable Is Disconnected
- Check The Cable Box/Set-Top Box
- HDMI Cable/Port Issues
- HDCP Errors
- Change The Input Source of The TV
- No Signal When Connected to PC
Most TV manufacturers include an auto-connection mechanism that allows the device to be detected and displayed on the screen as soon as you turn on the remote. If your TV says “weak” or “no signal,” even though it’s set to the correct source or input as the cable box, what you’re facing is a network reception issue. When a TV displays a no signal m...
When you encounter a no signal problem on your TV, first check that the cable going into your home hasn’t been disconnected. 1. For a cable box device, check whether the outside source cable connecting to one of the TV ports wasn’t unplugged accidentally. Plug it back in, and the TV screen should display a picture. 2. If you have a wall-mounted TV,...
Your set-top box is a big culprit for a no-signal issue. Whether you have an SD or HD box, the provider might have released new firmware and proceeded to update it in the background. This means new satellite settings may have been uploaded, but the device has not fully integrated with the adjustments. Make sure the TV is in a power off state. Unplu...
In some cases, the reason behind a no signal problem can be traced to either the High-Definition Multimedia Interface (HDMI) cables or the ports. Disengage the HDMI cable, and reinsert it into the old or new HDMI port. You may want to upgrade your HDMI connector cable to a self-locking oneto help it stay in the port position. Once you sort out thes...
In some cases, your TV will run into what is known as a High-Bandwidth Digital Content Protection (HDCP) error. This anti-piracy measure suggests that non-licensed devices should not be receiving any cable TV content. Almost all modern TV sets have to be HDCP-compliant. If you’re trying to connect a Kodi box, for example, to your cable TV using HDM...
Switching to the correct input source screen helps resolve the sudden no signal problem for TV. Depending on your television model, you may find additional input modes for TV, AV, video, and HDMI. These displays are sometimes shown as TV 1/TV 2 or Video 1/Video 2 or displaying the various source names. After powering on your TV, click a Source or I...
There can be numerous reasons behind you seeing the no signal message when trying to connect your TV to a PC. While the TV hardware-related problems are covered elsewhere in this guide, there are a few things you can try that are more software-related, but they will only work for Windows devices. Hit Win + P on your keyboard until you select either...
- Checking the Cable or DVR Set Top Box: Turn off then turn on your device. It is possible that your DVR or cable box may have malfunctioned and requires a power cycle.
- Checking the Television Display: Check the signal integrity directly. You can check the cable signal is working by taking the plug from your cable box to your television directly.
- Calling Your Cable Provider:
- Checking the Cable or DVR Set Top Box. Turn off then turn on your device. It is possible that your DVR or cable box may have malfunctioned and requires a power cycle.
- Linda Donahue
- Ensure your box and television are receiving power. Make sure they are both plugged into active wall outlets. Remember that some outlets may be controlled by a switch, in which case your set may not be working simply because the switch is off.
- Test your television to make sure a lack of picture isn't because the television isn't working. Test by playing a DVD or VHS tape. If these produce a picture, your television is okay.
- Check all connections between the television and cable box. Make sure all cables are plugged in firmly. As an additional check, try replacing the cables, especially if the cables have been bent sharply at the back.
- Tune in the television to the correct channel if using a coax line. This is usually channel 3 or 4. Make sure all input settings on the television are correct.
- TV shows a blue, green, or black screen. Your television is not getting a signal. Make sure that your cable or satellite box (or other device) is powered on and that the TV is set to the correct input – press Input, Source or TV/Video on your remote control.
- TV image is “breaking up” or showing pixelation. This is caused by a weak signal. In some cases, it can be the satellite signal between a live event and the television station (especially if you are watching live sports on the other side of the world).
- TV will turn on from the remote, but not the cable or satellite box. The cable box is not talking to your TV properly. Make sure that this is an option (it isn’t with all receivers) and if it is, try turning the box off, unplugging it for 15 seconds (at least) and turning it back on again.
- TV settings are messed up. Maybe your cat or your toddler got hold of the remote – but you have ended up with TV settings that are so far from what you want that you just want to reverse them.
Oct 5, 2023 · If your TV is showing a No Signal alert while your cable box is working, try reseating the HDMI cable of your cable box. If the HDMI cable reset doesn’t do the trick, don’t fret! Here are some other steps you can try:
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May 17, 2022 · TV or cable box problems (outdated software, server downtime, glitches, etc.). So, here’s what you need to do: Unplug your TV and cable box from the power source. Wait for 3 to 5 minutes. Plug your TV and cable box back in. A simple fix like this solves most glitches or bugs. However, if this approach didn’t work, it’s worth trying the ...
