How to Fix YouTube Fullscreen Problem

Every time when you meet the problem that you are not able to watch YouTube videos in fullscreen mode, maybe you are hunger for fixing the issue of YouTube fullscreen not working. Read this article and you’ll find the answer.
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Fix YouTube Full Screen Problems

Fix YouTube Full Screen Problems

A friend of mine is a total YouTube addict for his channel. He complained to me that he got in trouble with YouTube fullscreen problem a few days ago. The fullscreen button appears in the lower right corner, but isn't responsive. It reminded me of the similar YouTube fullscreen not working issue I had before. It's really a frustrating experience reported by numerous YouTube users while watching preferred videos. Don't worry, here you can find some solutions for fixing YouTube fullscreen problem.

Part 1 - Download Videos without YouTube Fullscreen Problem

Similar with "YouTube videos lagging problem" and "YouTube video not available in your country error", a direct and efficient approach to fix YouTube fullscreen problem is to download YouTube video with intact quality for offline playback in fullscreen mode. Free HD Video Converter Factory is highly recommended to download 1080P videos, 4K/8K videos, 360-degree videos, even download VR videos and YouTube music with fast speed in batches. Download and install the freeware, then launch it.

Free HD Video Converter Factory, a totally free YouTube downloader, can help you fast batch download YouTube 720P/1080P/4K/8K/360/VR videos in 200+ formats without YouTube fullscreen problem or other playback issues. Learn more >

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1. Click "Download Video" on the menu bar. Copy and paste your desired YouTube URL, then press "Analyze" button.

2. After analyzing, choose your wanted video quality displayed in different resolutions and video sizes. Try to re-analyze the URL if you don't see the due resolution owned by original video in the list.

The Steps to Download YouTube Videos

The Steps to Download YouTube Videos

Optional - After done, you are allowed to convert downloaded video to a wide range of preset optimized formats and devices on the right side. Just choose the profile you need and hit Run button to convert video, so that you can transfer or stream videos to smartphones, tablets, TV sets, game consoles and so forth. It's the perfect method to solve YouTube fullscreen glitch.

Convert Downloaded Videos to 200+ Formats

Convert Downloaded Videos to 200+ Formats

Part 2 - How to Fix YouTube Fullscreen Problem on Browsers

1. Update Video Card Driver

Sometimes, YouTube videos full screen problem is probably caused by outdated video card driver. Go to corresponding manufacturer's official website, you are supposed to download and install the latest driver to possibly fix YouTube wont fullscreen issue.

Update Video Card Driver

Update Video Card Driver

2. Update Browser & Flash Player

No matter which browser you're using now, you may be experiencing YouTube full screen problems or other Flash playback problems if you're running an out-of-date version of browser and Flash Player. With your browser updated to the latest available version, you are capable of viewing HTML5 video. Visit https://www.youtube.com/html5 and make sure "HTMLVideoElement" and "The HML5 player is currently used when possible" are checked.

The Latest Version of Browser Supports HTML5 Video

The Latest Version of Browser Supports HTML5 Video

Go to http://www.adobe.com/software/flash/about/ to check if your Flash plugin is up-to-date. If not, update Flash here.

Update Flash Player

Update Flash Player

3. Disable Add-ons/Extensions/Applications

Certain browser add-ons/extensions/applications may make YouTube videos not full screen, e.g. AdBlock. Try to disable all of your plugins and then enable them one by one until you determine which is causing YouTube not showing full screen mode.

Disable Plugins

Disable Plugins

4. Fullscreen is not Allowed

Another kind of fullscreen not working on YouTube problem is special. If you cannot watch embedded videos in fullscreen mode on some other sites out of YouTube, because the website owners are likely to disable fullscreen function. You should click "YouTube" icon in the lower right corner to watch the original videos on YouTube.com.

Back to Original Video Page on YouTube

Back to Original Video Page on YouTube

These are the common solutions to fix YouTube fullscreen not working issue, I hope they'll work for you. However, due to the differences of browsers, Operating Systems, development of the internet and other unknown reasons, the solutions above may not be appropriate for all of you. In this case, you are highly recommended to download YouTube video which can apply to all situations without any trouble. Also, you are welcomed to share your experience below if you've resolved YouTube fullscreen not working problem.

Still got question? Submit it to us and get answer within 24 hours.
free HD converter

Free HD Video Converter

Perfectly convert your standard resolution resources to higher definition levels and free download YouTube to your gadgets.

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    This program was able to convert an hour-long video in few minutes and produced high-quality results.
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    It offers an acceptable selection of both file formats and device-optimization profile and produces very high quality results.
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  • MajorGeeks Editor
    This freeware has incredibly fast conversion speed and makes frequent movie conversion much easier.
    by Aaron | MajorGeeks
  • User comment
    Really free and easy to use.Does so may formats forwards and backwards Includes HD as well as standard. No ads, no signup, no arrogant taking over your...
    by Brokenit
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