why tv picture freezes and pixelates

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https://www.att.com/support/smallbusiness/article/smb-directv/KM1215622/

Pixelated or frozen picture – DIRECTV Customer Support
https://www.att.com/support/smallbusiness/article/smb-directv/KM1215622/
If your picture seems frozen or pixelated, it may be caused by one of the following situations: Severe weather, such as heavy rain or snow, can interfere with the signal, and cause your picture to freeze or pixelate. Obstructions such as tree limbs or buildings can block your satellite dish’s clear view of our satellite.

https://www.samsung.com/hk_en/support/tv-audio-video/why-my-tv-is-pixelated-ghosting-tiling-and-snowing/

Why my TV is pixelated, ghosting, tiling and snowing …
https://www.samsung.com/hk_en/support/tv-audio-video/why-my-tv-is-pixelated-ghosting-tiling-and-snowing/
2. Switch to the channel with poor picture quality. 3. Physically adjust the position of your TV aerial and check back on the TV with different adjustments to see if the picture quality improves (if the aerial is situated far from the TV you may need to get someone to keep an eye on the TV for you to give feedback while you make these adjustments).

https://findanyanswer.com/why-is-my-tv-pixelated-on-some-channels

Why is my TV pixelated on some channels?
https://findanyanswer.com/why-is-my-tv-pixelated-on-some-channels
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.

https://support.shaw.ca/t5/tv-articles/how-to-troubleshoot-poor-picture-quality-pixelation/ta-p/5513

TV Troubleshooting: How to fix poor picture quality …
https://support.shaw.ca/t5/tv-articles/how-to-troubleshoot-poor-picture-quality-pixelation/ta-p/5513
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.

https://www.techwalla.com/articles/troubleshooting-for-lcd-flat-screen-tv-screen-pixelation

Troubleshooting for LCD Flat Screen TV Screen Pixelation …
https://www.techwalla.com/articles/troubleshooting-for-lcd-flat-screen-tv-screen-pixelation
Pixelation occurs when the incoming signal to your TV is weak or incomplete. As a result, the TV doesn’t have all the data it needs to process the image incorrectly, and pixelation occurs. In layman terms, it can be thought of as the TV’s manifestation an incomplete image.

https://help.germantvcompany.com/why-tv-freezes-and-how-to-effectively-deal-with-freezing/

Why TV freezes and how to effectively deal with …
https://help.germantvcompany.com/why-tv-freezes-and-how-to-effectively-deal-with-freezing/
A common issue experienced by customers during the evening hours is freezing of the video and audio signal. Freezing happens when there is not enough internet bandwidth in the signal’s path and parts of the signal are delayed or lost in the transmission.

https://forums.att.com/conversations/watching-uverse-tv/picture-freezing-and-pixelating/5defe5d2bad5f2f606579191

Picture freezing and pixelating | AT&T Community Forums
https://forums.att.com/conversations/watching-uverse-tv/picture-freezing-and-pixelating/5defe5d2bad5f2f606579191
TV is definitely a great source of entertainment, so I can understand the importance of getting the HD channels working again. I have some troubleshooting steps I recommend trying. First I would start by resetting your box by pressing the red reset button located where the access card is.

https://www.nytimes.com/wirecutter/blog/hdtv-antenna-choppy-image/

Why is my HDTV antenna producing a choppy image? | Wirecutter
https://www.nytimes.com/wirecutter/blog/hdtv-antenna-choppy-image/
If your TV tuner picks up multiple bounced signals, it will try to sort out the correct signal from the repeats, but sometimes the overlapping transmissions leave gaps in the signal, and the result…

https://www.smh.com.au/technology/tricks-to-fix-pixelation-20100715-10c40.html

Tricks to fix pixelation – SMH.com.au
https://www.smh.com.au/technology/tricks-to-fix-pixelation-20100715-10c40.html
It’s like a scratch on a long-playing vinyl record or in a DVD that causes the vision to freeze. It is interference on digital TV and it is annoying. While many viewers might blame bad weather, there are other reasons for pixelation. And in many cases, they can be fixed.

https://community.spectrum.net/discussion/167820/intermittent-pixelation-on-various-channels

Intermittent Pixelation on various channels — Welcome to …
https://community.spectrum.net/discussion/167820/intermittent-pixelation-on-various-channels
The numbers I am getting from the set top boxes are from the pages that come up on the TV screen when you enter the box diagnostics from the settings menu. If you can give me a procedure, I will be happy to supply the information.