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Why is My TV Pixelated on Some Channels? Fix Guide

ByKevin Wood Updated on19 August 2022
why is my tv pixelated on some channels

You may be wondering why is my TV pixelated on some channels. Also, you might be able to see visuals on the screen but without any clarity.

This can get extremely frustrating, especially if you’re in a mood to watch something.

Note that TV pixelation is caused due to weak cable strength, improper alignment of the cable dish, diverted signal due to coaxial splitters, and faulty devices.

Keep reading to find how you can fix each of these problems to resume watching your favourite TV programs!

Why is My TV Pixelated on Some Channels?

Pixelation happens when the incoming signal on your TV becomes weak or incomplete. As a result, your TV does not have adequate data to process the entire image.

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I figured out a few reasons why does my TV pixelated on certain channels. Here are some of the possible causes for it:

  • Weak cable signal
  • Incorrect placement of cable box
  • Problem with coaxial connection splitters
  • Too many devices requiring cable signal
  • Troubleshooting cable and TV devices

How To Fix TV Pixelated on Some Channels?

fix tv pixelated on some channels

You may be experiencing pixelation on your TV because of various reasons. Try to locate the source of the signal or the device that may be causing trouble.

If you are unable to pinpoint a specific faulty signal or device, you can try any of the following steps.

If your pixelated screen is back to normal after following them, you do not need to proceed with the next steps.

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Here are some ways to fix a pixelated TV on some channels:

Solution #1: Fix the Weak Cable Signal

A weak cable signal is the most probable reason for pixelation on your TV. It does not allow enough data for your TV to present the image entirely and thus causes pixelation.

Follow these steps to fix a weak cable signal:

If You Watch TV On Cable:

  1. Make sure that the cables are plugged in securely to the cable box.
  2. If the cables are not plugged in properly, the signal will not be of adequate strength.
  3. Secure the plugs to strengthen the connection and fix pixelation.

If You Do Not Use Cable TV:

If you have an LCD TV and watch over-the-air TV channels, the cause for pixelation might be the antenna.

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In order to strengthen the signal connection, you will need to install an external or rooftop antenna.

Moreover, if you have multiple TVs and splitters in your house, you are likely to have a weaker signal. This is because multiple devices are sharing the same signal connection.

A cable employee will be able to help you with these matters. They can identify the reason why you may be experiencing a weaker signal.

Further, they will be able to provide solutions to make the connection stronger.

Solution #2: Reset the TV Box

Sometimes, problems like pixelation can be solved simply by resetting the TV box. The pixelation may have been caused by a temporary glitch or problem in signal reception.

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Here is how you can reset your TV box:

  1. Firstly, turn off your TV box.
  2. Next, detach the power cable from the back of the TV box unit and the wall outlet.
  3. Wait at least a minute before proceeding.
  4. Reconnect the power cable back into the power source and the TV box unit.
  5. Again, wait at least two minutes for the TV box to reboot.
  6. Lastly, turn on the TV box again and it will return to normal.

Solution #3: Readjust the Coaxial Connection Splitters

Another way to improve your cable signal is by readjusting the placement of the coaxial connection splitters.

This will improve the signal connection that your TV receives and thus get rid of the pixelation.

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Here is how you can readjust coaxial connection splitters:

Step 1. Detach Connections

  1. Firstly, detach your TV box from the power cable.
  2. Next, remove the coaxial connection splitters from the back of your TV box.
  3. Remove the coaxial connection splitters from the cable wall outlet too.

Step 2. Reattach Connections

  1. Wait for a few minutes.
  2. Reattach the coaxial connection splitters back to the cable wall outlet and TV box again.
  3. Make sure that the coaxial connection splitters are screwed back tightly.
  4. Lastly, attach your TV box from the power cable again.
  5. Turn your TV on to see if the picture quality has improved.

Solution #4: Remove the Coaxial Connection Splitters

If none of the above solutions works, another thing that you can try is removing the coaxial connection splitters.

READ ALSO :  Why Is My TV Screen is Green How Do I Fix It?

As explained earlier, coaxial connection splitters divert cable signals from your TV.

This causes your TV to have lower connection quality and therefore display a pixelated image on some channels.

Here is how you can remove your coaxial connection splitters:

Step 1. Remove The Coaxial Connection Splitters

  1. Begin with removing your TV box from the power cable.
  2. Leave one end of the coaxial connection splitters attached to your TV box. 
  3. Remove the other end of the coaxial connection splitter, attached to the power cable.
  4. Set the coaxial connection splitter aside for the process.

Step 2. Reattach The Coaxial Connection Splitters

  1. Next, attach the loose end of the coaxial connection splitter to the wall’s power outlet.
  2. Attach your TV box to the power cable again.
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This process will ensure that your cable connection is strengthened, and the image quality has improved.

Solution #5: Check for Any Faulty Devices

You may have a faulty Low Noise Blocker (LNB). The function of an LNB is to receive and convert signals.

If it does not work properly, your TV will receive poor or inadequate connection signals and inevitably display pixelated images.

You might also have damaged or faulty coaxial connection splitters. This also interferes with the quality of your TV’s cable connection and causes pixelation on the screen.

The reason why these devices may not be facilitating proper signals is that they might be plugged in loosely.

Alternatively, they sometimes resume working after you reset them. To fix any faulty devices, you will need to contact a cable employee.

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Still Unable to Fix a TV With Some Pixelated Channels?

If you find that your TV is still experiencing pixelation on some channels after following the step-by-step guides below, there are a few other reasons that you can consider.

Here are some more things that you can do to fix a TV with some pixelated channels:

Check The Alignment of Your Dish

Your cable dish may be located in an area where it does not receive adequate signal. Realigning your cable dish may be the solution to weak signal and pixelation.

This method is definitely worth a try as it is possible that your TV may not be receiving a weak signal due to a faulty device. However, if this does not work for you, try the other solutions listed in this section.

READ ALSO :  How To Turn On TV Without Remote Or Power Button?

Update Your Connection Receiver

Your connection receiver may need an upgrade in order to provide a better signal. If your TV does not receive an adequate cable signal, it will not be able to process data.

This causes pixelation and ruins your TV experience.

Contact your cable employee to update your connection receiver so that you can resume watching TV in the best quality possible, without any pixelation.

Read Next: Why Does My TV Turns On By Itself In The Middle Of The Night?

Conclusion

Pixelation on your TV can be a bummer. But you no longer need to ask yourself ‘Why is my TV pixelated on some channels?’

Hopefully, this article taught you everything you need to know about fixing a TV with some pixelated channels.

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Now that you know the reasons why it happens and all the possible ways to fix this problem, you can go back to enjoying your TV experience!

kevin wood
Kevin Wood

Kevin has over five years of experience working in various Tech startups and providing Technical solutions. He has contributed to many Tech publications and websites.

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