(Solved) YouTube Not Showing Full Screen on Smart TV

Why is My YouTube Not Playing Full Screen on TV

Before solving the showing problem, you need to understand why is YouTube not showing full screen on TV first. Here are some reasons.

• YouTube App Settings Error
• YouTube Cache Date on Smart TV
• YouTube App Outdated
• Network Connection Issue
• ………

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How to Fix YouTube Not Showing Full Screen on TV

According to the above-affecting factors, here are some corresponding solutions to fix YouTube not showing full screen on Smart TV. Let’s check out them one by one.

Reset the YouTube App from Settings

You can try to reset the YouTube app first to show full screen on Smart TV. Here are the detailed steps:

1. Open the YouTube app on your Smart TV, go to the Settings menu, scroll to the Reset app, and click on it.

2. Confirm the reset on the reset page. It will help clear your history and connected devices and may solve the full-screen issue.

Manage YouTube App Cache and Data

Clear cache data of YouTube is also a common solution to fix YouTube issues on Smart TVs. YouTube not playing full screen on TV, too. Follow the guide below:

1. Press the Home button on the smart TV remote to access the homepage.

2. Select Settings > TV category > Apps. Find YouTube in the app list, click Clear data, and confirm with OK.

3. Then click Clear Cache and OK.  Now, you can relaunch the app and check if the problem is solved.

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Update the YouTube App and TV Firmware

1. Update the YouTube app: Outdated applications may cause a series of problems like not showing full screen. How to update the YouTube App on TV? We will list Samsung TV and Apple TV as examples.

• For Samsung TV, press the Home button, click Apps, find the YouTube app icon, or search for it. Select the app and click the Update button on the app description page if available.
• For Apple TV, go to the App Store, select the magnifying glass icon, search for YouTube, and click Update if the option is available.

2. Update the Smart TV Firmware: Navigate to Settings > Support > Software Update (terms vary by brand) and install any available updates.

Reinstall the YouTube App

Another way to stop YouTube full screen not working on TV is to delete and re-install the app.

1. Press the Home button and select App > Google Play Store.

2. Look for the YouTube application and click the Uninstall button. Wait for about 30 minutes and then go to the Play Store again, search for the YouTube app, and click the Install button.

3. Launch YouTube and sign into your account.

Check and Adjust TV Display Settings

If the correct display size is not set, YouTube videos will either show up too big or too small. How to adjust TV display settings? Just press the Home button on the TV remote, select Settings from the main menu, locate Picture > Aspect Ratio, and change the wide ratio according to the video.

Check Internet Connection

Ensure that your smart TV is connected to a stable and high-speed internet connection, as slow or unstable connections can affect the streaming quality and display resolution of YouTube videos.

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Conclusion

There are several reasons for YouTube not showing full screen on Smart TV. Fortunately, you can also find corresponding solutions to responses. If you have such trouble, use the methods above to make YouTube show full screen on your Smart TV.