How to fix Youtube full screen issues in Windows 10, 8, 8.1

By: Andrew Wafer
3 minute read
fix youtube full screen PC

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YouTube is maybe the most popular online video channel used by worldwide users on portable, touch based or desktop devices regardless the operating system we might think of. Thus, when having issues with Youtube it is important to address the problems as soon as possible or else you won’t be able to properly access and check your favorite movies, video-clips, music and so on.

youtube fullscreen not working fix pc
Similar with the Youtube green screen issue, another annoying problem reported by Windows 10, 8 and Windows 8.1 users is related to the fullscreen feature which isn’t working properly while using a certain web browser client. So, if you noticed that you cannot watch Youtube clips in fullscreen mode on your Windows 10, 8 based tablet, laptop or desktop, don’t hesitate and read the guidelines from below where we will try to address your issues in order to fix and improve your YouTube experience.

How to solve Youtube full screen problem in Windows 10, 8

  1. Use a different browser
  2. Close background apps and programs
  3. Turn off hardware acceleration
  4. Reinstall your browser
  5. Disable browser extensions/ add-ons
  6. Update your browser

1. Use a different browser

First of all, it is important to notice when you are dealing with the mentioned problem. For example you should test to see if the fullscreen problem is caused only by one web browser client or by any other similar platform. So, the first thing to do will be to use Google Chrome, Internet Explorer, Mozilla Firefox and other web browser apps – probably Youtube will smoothly run when using a different program than the current one.

Several users reported problems with Youtube when using Google Chrome – it seems that the web browser app received a new update which is causing this issue, so if you are using Chrome, the best will be to temporarily switch to another platform. Also, it will be important to use Flash Player as the HTML 5 player is kind of buggy.

— RELATED: Here’s the best antivirus for Opera browser


For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

2. Close background apps and programs

Another thing you might try is to close all the processes that are related to your web browser activity and to Youtube each time you are experiencing the fullscreen problem – just access Windows Task Manager and close the mentioned processes.

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  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
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3. Turn off hardware acceleration

Furthermore, within your web browser settings, disable hardware acceleration and set history to “Never remember”. Many users confirmed this quick solution worked for  them, so it’s worth giving it a try.

4. Reinstall your browser

You can also choose to reinstall your web browser client and to try again, as a clean install might easily resolve your issues.

— RELATED: 5 of the best browsers for old, slow PCs

5. Disable browser extensions/ add-ons

Sometimes, browser extensions may prevent you from watching YouTube videos on full screen. As a workaround, temporarily disable all your extensions to identify the culprit. Once identified, you’ll know which extension to turn off when you want to play YouTube videos on full screen.

6. Update your browser

Make sure that you’re running the latest browser version on your computer. All the major browsers available on the market regularly receive updates that improve the overall browsing experience and fix the bugs reported by users. If the YouTube fullscreen problem is caused by a known issue, perhaps the issue has been fixed in the latest browser version, so do check for updates. The same is valid for Windows OS updates, so don’t forget to go to Windows Update and check for updates.

That’s how you can deal with your Youtube full screen problems on Windows 10, 8 or Windows 8.1. In case you know other troubleshooting solutions, don’t hesitate and share the same with us (use the comments field from below in that matter) and we will update this tutorial accordingly.

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Editor’s Note: This post was originally published in July 2014 and has been since updated for freshness, and accuracy.

For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

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