How Do I Adjust the Screen Size on My Panasonic TV? (Aspect Ratio)

Girl watching television at homeGirl watching television at home

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The aspect ratio on your TV can greatly impact your viewing experience. When you have an aspect ratio that doesn’t accommodate your media, it can be frustrating.

To adjust the screen size on your Panasonic TV, you’ll need to press the format button, then select the best option for your media. The option you choose will affect your picture quality.

Please continue reading to learn everything you need about adjusting the screen size on your Panasonic TV. In addition, we’ll discuss how to choose the best aspect ratio for your media.

What is An Aspect Ratio?

And aspect ratio is the size of an image as it relates from width to height.

For example, the aspect ratio on every Panasonic TV is 16:9, which is also the standard for any TV.

However, you can adjust your screen size to enhance your picture quality or increase the picture size.

When you change your aspect ratio, you’ll notice black bars on the edges of your TV.

The black bars help the sides of the image blend in with the background of the TV so that it’s not jarring.

This way, you can focus on what you’re watching instead of the background.

Adjusting the Aspect Ratio on Your Panasonic TV

Fortunately, changing the screen size on your Panasonic TV is easy.

You push the format button on your remote controller, then choose the aspect ratio you prefer.

The TV will present plenty of aspect ratio options for you to select.

You can play around with the aspect ratio to find the best one for your media.

After you select the option you prefer, you can save your changes, and they will automatically take place.

You need not restart your Panasonic TV to activate the new aspect ratio.

How To Choose the Optimal Screen Size

A 16:9 aspect ratio is the industry standard across most platforms, so this will be your default setting.

However, some prefer viewing their content at a 4:3 aspect ratio.

If you’re watching any modern media, you’ll want to use the 16:9 aspect ratio because this won’t alter your image quality.


If you set your Panasonic TV to auto mode, it will automatically have a 16:9 aspect ratio.

This screen size is ideal for watching most shows, movies, and playing video games.

Most people prefer keeping their TV on the auto setting.

If your screen size looks out of place, you can set it to auto and resolve the problem.


This option keeps the center of the image about the same side but stretches the edges to fit your aspect ratio.


This option is popular in some older movies.

If you’re watching an older movie with a 4:3 aspect ratio, it would be best to adjust your screen size to accommodate this media.

Things to Do if Screen Size Won’t Adjust

Unfortunately, if you’re changing your screen size because there’s something wrong with your image, there’s a chance it won’t automatically work.

Adjusting the aspect ratio on your Panasonic TV is simple because you push the format button and select your preference. You can choose the best screen size to enhance your image quality.

Sometimes your image goes out of whack because there’s something wrong with your TV.

Fortunately, resolutions for this problem are simple.

Restart Panasonic TV

Push the power button on your Panasonic TV to turn it off. Let the TV sit for a few minutes to cool down.

Turn the TV back on and attempt to change your screen size again.

Unplug Devices

Unplug your TV or any devices attached to your TV.

For example, if you have a fire stick or Roku device, you’ll also want to unplug those.

Plug your devices back in and go through the steps of changing your aspect ratio again.

Factory Reset

If the other two options fail, you should factory reset your Panasonic TV to get your screen size back to normal.

Follow these steps to go through the factory reset process.

  1. Find the volume down button on your TV.
  2. Find the menu button on your remote.
  3. Hold these buttons down for at least 5 seconds.
  4. Wait a bit for the TV to restart.

To fix your screen size, factory resetting your device should be a last resort.

This option restores your TV settings when you purchase it from the store.

Final Thoughts

Unless there’s something wrong with your Panasonic TV, adjusting your screen size will only take a few seconds.

Changing your screen size is a fantastic way to optimize your image quality and watch things the way you prefer.

Most people prefer watching their shows and movies with a 16:9 aspect ratio, but some older media pieces may look better on a 4:3 aspect ratio screen.

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