Software & AppsOperating SystemLinux

How To Fix YouTube Fullscreen on Ubuntu with Flash

Ubuntu 20

YouTube is a widely used platform for watching videos online, but sometimes users encounter issues when trying to watch videos in fullscreen mode, especially on Ubuntu with Flash. This article will guide you through several methods to fix this issue.

Quick Answer

To fix YouTube fullscreen on Ubuntu with Flash, you can try enabling HTML5 mode on YouTube, using browser plugins like MaximizeFlash or Flash Game Maximizer, following the LD_PRELOAD hack for Linux multihead setups, adjusting browser zoom settings, using the "Pop out" option in Chrome/Chromium, or using a data URL in Chrome. These methods may not work for everyone, but they provide potential solutions to the issue.

Enable HTML5 mode in YouTube

The first method we recommend is to switch to the HTML5 player on YouTube. HTML5 is the latest version of Hypertext Markup Language, the code that describes web pages. It’s more efficient and faster than Flash, and most modern browsers support it.

To enable HTML5 mode, visit the YouTube HTML5 page and click on the “Request the HTML5 player” button. This tells YouTube to use the HTML5 player instead of the Flash player for videos.

Use Browser Plugins

If enabling HTML5 doesn’t work, you can try using a browser plugin. For Google Chrome users, the MaximizeFlash plugin can be used. For Firefox users, the Flash Game Maximizer plugin can be helpful.

These plugins work by forcing Flash videos to play in fullscreen mode. Simply install the plugin, restart your browser, and try playing a YouTube video in fullscreen mode again.

Workaround for Flash on Linux Multihead Setups

For users with a dual monitor setup on Linux, fullscreen issues can be particularly annoying. A workaround is available that involves using a LD_PRELOAD hack. This hack tricks Flash into thinking the screen size is different, allowing the video to fill the entire screen.

The instructions for this workaround can be found on Al’s Website. Please note that this method involves using terminal commands and editing system files, so proceed with caution and only if you are comfortable with such operations.

Adjust Browser Zoom Settings

Another simple method is to adjust the zoom settings in your browser. Zoom in on the video until it fills the width of the screen. This can be done using the zoom controls in the browser’s menu, or by using the keyboard shortcuts Ctrl and + to zoom in, and Ctrl and – to zoom out.

Use the “Pop out” Option in Chrome/Chromium

In Chromium or Chrome, you can use the “Pop out” option. Right-click on the YouTube video and select “Pop out”. This will open the video in a new window. You can then move this window to the second monitor and maximize it. To access the video controls, right-click on the video and select “Show Controls”.

Use a Data URL in Chrome

In Chrome, you can use a data URL to open an embedded video at the full screen resolution. Replace “VIDEO_CODE_HERE” with the video code and adjust the width and height to match your screen resolution. Enter the modified URL in the address bar to view the video in fullscreen.

Please note that these solutions may not work for everyone, as the issue could be specific to certain setups or configurations. However, we hope that one of these methods will help you enjoy your YouTube videos in fullscreen mode on Ubuntu with Flash.

What is HTML5?

HTML5 is the latest version of Hypertext Markup Language, which is used to structure and present content on the web. It is more efficient and faster than Flash and is supported by most modern browsers.

How do I enable HTML5 mode on YouTube?

To enable HTML5 mode on YouTube, visit the YouTube HTML5 page (http://www.youtube.com/html5) and click on the "Request the HTML5 player" button. This will instruct YouTube to use the HTML5 player instead of the Flash player for videos.

What are browser plugins?

Browser plugins are small software programs that add extra functionality to web browsers. In the context of fixing YouTube fullscreen issues, plugins like MaximizeFlash for Google Chrome or Flash Game Maximizer for Firefox can force Flash videos to play in fullscreen mode.

How do I install browser plugins?

To install browser plugins, you can visit the respective plugin stores for your browser. For example, for Google Chrome, you can visit the Chrome Web Store (https://chrome.google.com/webstore) and search for the plugin you want to install. Click on the "Add to Chrome" button to install the plugin.

How can I adjust the zoom settings in my browser?

You can adjust the zoom settings in your browser by using the zoom controls in the browser’s menu or by using keyboard shortcuts. For example, to zoom in, you can press Ctrl and + (plus) keys together, and to zoom out, you can press Ctrl and – (minus) keys together.

How do I use the “Pop out” option in Chrome/Chromium?

To use the "Pop out" option in Chrome/Chromium, right-click on the YouTube video and select "Pop out". This will open the video in a new window. You can then move this window to the second monitor and maximize it. Right-click on the video to access the video controls.

How do I use a data URL in Chrome to view a video in fullscreen?

In Chrome, you can use a data URL to open an embedded video at the full screen resolution. Replace "VIDEO_CODE_HERE" with the video code and adjust the width and height to match your screen resolution. Enter the modified URL in the address bar to view the video in fullscreen.

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