Why is my TV pixelated on some channels?

Asked By: Monnie Poggemoller | Last Updated: 26th March, 2021
Category: music and audio tv and film podcasts
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Outside Interference
Weather, nearby appliances and competing signals are all potential causes of pixelation. Appliances and other electronic devices located near your television or cable receiver also emit radio waves that can interfere with your television signal, resulting in pixelation, ghosting or blurred images.

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Likewise, how do I get rid of pixelation on my TV?

If your TV image is pixelated, or broken up, the first thing to do is check all your connections. Loose connections are often the cause. Unplug and reconnect the coaxial connections between your Set-Top Box and your TV and your wall connection. When you plug them back in, make sure all connections are secure.

Likewise, why are some of my Freeview channels pixelated? Weak signal strength is the most common cause of TV picture break-up. Your Freeview receiver just can't get enough signal to hold a decent picture. If your signal is weak, check your Freeview coverage. If you're in a good Freeview coverage area, then a weak signal could point to an aerial issue.

Thereof, why does my TV pixelated on certain channels?

Pixelation (squares) observed on the screen represent packets of data which have not been received or were lost in transmission due to a poor connection. This is an indicator of a poor signal which can be caused by a variety of issues including damaged coaxial cables, loose connections, faulty splitters and more.

Can HDMI cause pixelation?

Other causes of pixelation include bad weather; the HDTV set is older or a lower-end model; the HDMI cable is low quality; and faulty or substandard cable boxes.

23 Related Question Answers Found

How do you fix a pixelated picture?

Fix Pixelated Pictures with Paint.NET
  1. Open your image in Paint.NET.
  2. Select 'Effects,' 'Blur,' and 'Gaussian Blur. '
  3. Use the slider to reduce the pixel effect.
  4. Select 'Effects,' 'Photo,' and 'Sharpen. '
  5. Use the slider to find an acceptable level.
  6. Save the image.

What does pixelated look like?

In computer graphics, pixelation (or pixellation in British English) is caused by displaying a bitmap or a section of a bitmap at such a large size that individual pixels, small single-colored square display elements that comprise the bitmap, are visible. Such an image is said to be pixelated (pixellated in the UK).

Why does my HD TV look fuzzy?

A blurry image on a high-definition LCD TV is typically the result of a mismatch between the TV's resolution capabilities and the resolution of the signal that is coming from connected devices, such as a DVD player or satellite TV receiver.

Do TV boosters work?

TV aerial amplifiers and signal boosters do work. They can help overcome signal losses because of cable resistance and because of the splitting of signals to multiple TV's. They won't however miraculously convert a poor or weak TV signal, into a good reliable signal. But when used right they can fix your signal issues.

How do I fix my TV interference?


Move any wireless-frequency device away from the television (especially when you use an antenna to receive the television programming signal). This includes radios and cell phones, as the TV might pick up signals from the other devices and begin producing the audio over its speaker system.

How do I check my TV signal strength?

You can check your signal quality in the settings menu.
  1. Bring up the menu with your remote.
  2. Select Settings.
  3. Go to the Signal & Connection area and select Signal Quality.

How can I boost my digital TV signal?

Here are some tips for boosting a digital TV signal:
  1. Move the antenna to new location or height, if you're using an indoor antenna.
  2. Re-aim the antenna, if you're using an outdoor antenna.
  3. Watch the signal strength meter on the digital-to-analog converter box or television as you move or aim the antenna.

What causes interference on TV?

Interference occurs when unwanted radio frequency signals disrupt the use of your television, radio or cordless telephone. Interference may prevent reception altogether, may cause only a temporary loss of a signal, or may affect the quality of the sound or picture produced by your equipment.

How can I improve my Freeview signal?

Let's crack on with how to improve your TV signal strength.
  1. Install Your Aerial Outside.
  2. Install The Aerial Higher Up.
  3. Install A Higher Gain TV Aerial.
  4. Align Your TV Aerial For Peak Reception.
  5. Install A Masthead Amplifier.
  6. Remove Splitters – Install Distribution Amplifiers.
  7. Install Good Quality Coaxial Cable.

Why do I keep losing my digital TV signal?


A digital TV antenna and converter box is especially susceptible to a loss of signal due to poor positioning. If you have a digital TV antennae, move your antenna around with the signal strength menu displayed on your TV screen. In general, placing the antenna higher results in a better signal.

Why is my TV freezing and Pixelating?

General pixilation and freezing occurs when there is a disruption in the TV signal, or there is a weak signal altogether. Check your connections: Unplug the HDMI cable from your Bell MTS Fibe TV Set-top Box. Make sure all cables connected on the set-top box and your TV are secure.