How to Fix ‘YouTube Videos Not Playing’ on Mac

Are you facing the YouTube videos not playing on Mac issue? 

If you try to watch Youtube videos on your Mac in your leisure time but keep getting an error message or a blank screen, or your system restarts, we understand how annoying it can be. But, do not worry, you can easily solve this issue. 

Generally, there are two main reasons for youtube videos not playing on your Mac:

Browser Issues: You can easily solve it by refreshing the page, clearing the cache, or updating the latest version.

Internet Issues: It can also be solved by switching off the router and then switching it on. If you have a weak internet connection, reduce the quality of your YouTube video to stop buffering.

However, if it does not solve your problem, this article is here to your rescue. So, keep reading to know how to fix YouTube videos not playing on Mac issue? 

1. Updating Your Mac’s Software. 

mac software update

Many apps and features crash a lot of time due to an outdated software version. The newer software versions come with exciting new features that can solve various bugs. 

Hence, if you’re using a MAC that hasn’t been updated in ages, you need to update it as soon as possible. 

Here’s how you can update your Mac’s software to solve the YouTube videos not playing on Mac issue: 

  1. First, go to System Preferences from the Apple Menu.
  2. Then, click on Software Update
  3. Finally, Click on either Update Now or Upgrade Now.

If you choose the option, Update Now, it will update to the latest version of the current software. However, if you choose Upgrade Now, you’ll get the latest version of a new name, such as macOS Big Sur

2. Disabling Safari Extensions.

Sometimes, safari extensions are the ones blocking YouTube videos. Hence, there are chances that your Mac has encountered this problem. 

uninstall extension

You can prevent the YouTube videos not playing on Mac issue by following the simple steps mentioned below:

  1. Go to the Safari window.
  2. Then, select Preferences and then go to Extensions.
  3. Next, Disable the extension by unchecking the box next to it.
  4. Finally, Refresh your YouTube page.
  5. If the problem still persists, repeat Step 1 to Step 4 for another extension. You can keep doing it for all the extensions until the problem is solved.

Note that once you find the problematic extension, it is better to uninstall it from your browser. Simply click on the Uninstall option in the extension.

3. Disabling Plug-Ins in Safari.

Plug-Ins are the add-on features in a web browser. They provide additional functionality and are thus prominent. However, sometimes they are also the cause you are not able to access a few sites or videos online.

In case you are still not able to play YouTube videos, the next step is to try disabling the Plug-Ins. Here is how you can fix YouTube videos not playing on Mac issues: 

  1. Go to the Safari window.
  2. Select Preferences and then go to the Security tab.
  3. Then, you will see Internet Plug-Ins: Allow Plug-Ins written over there.
  4. Uncheck the box Allow Plug-Ins to disable plug-ins for all the sites.
  5. Finally, Relaunch the Safari browser.

4. Enabling JavaScript in Safari.

JavaScript is crucial for playing videos. Thus, it makes sense to check that JavaScript is enabled. You might not be able to play your videos because JavaScript is disabled. So, check out how to enable JavaScript in your Safari browser:

enable javascript in safari mac
  1. Go to the Safari window.
  2. Then, select Preference and go to the Security tab.
  3. In the Security tab, you will see Web Content: Enable JavaScript there.
  4. Check the Enable JavaScript box.
  5. Finally, Relaunch the Safari Browser.

5. Syncing Date and Time.

Are you unable to use any web browser? Often, people are unable to use their browser because they have set the wrong date and time in their systems. It is something you can easily miss. Here is how you can change it:

  1. Open System Preferences.
  2. Then, click on the Date and Time option present there.
  3. If you are connected to the Internet, simply tick the Set date and time automatically option.
  4. If your internet is switched off, for the time being, click on the Lock option at the bottom of your screen.
  5. Then, Login using your username and password and deselect the set date and time automatically.
  6. Now, use the calendar and clock available to you to enter the date and time manually. And it is done!

6. Restarting Your Mac.

Even after trying all the above methods, if you are still unable to watch YouTube videos, try restarting your Mac. This is the most convenient option when all other options fail. Here is how you can do it:

  1. Click on the Apple icon at the top-left corner of your Mac.
  2. Then, select the Restart option from the drop-down menu.
  3. Finally, a pop-up window appears. Confirm it.

Wait for your Mac to restart. Once it is done, check if the problem is resolved.

7. Repairing Disk Permissions.

It is the standard approach when you face a problem while working on your Mac. These disk permissions are file and directory permissions. 

During the normal course of time, programs tend to change the file or folder permissions which could be the possible reason for not being able to play YouTube videos. To check that files are correct on your Mac, follow these easy steps:

  1. First, choose Go and click on Utilities.
  2. Then, Double click on Disk Utility.
  3. Select the desired disk for which you want to repair permissions. You will be able to see the disks on the left pane of your window.
  4. Then, click on First Aid.
  5. Finally, in First Aid, click on Repair Permissions.

8. Cleaning Your Mac Disk.

Your browser can deny access to videos when your Mac disk is full. So, it is important to clean it from time to time. 

You can do it by regularly cleaning cache files, browser history, unnecessary photos and videos from your device, useless applications, and preventing Time Machine Backups. 

Basically, get rid of anything unimportant so that you are able to watch all your YouTube videos.

9.Trying Different Web Browsers.

Sometimes, when you cannot watch videos on Safari, it is better to change the web browser. You can try using Google Chrome, Mozilla Firefox, and Microsoft Edge for watching your favorite videos without any interruptions.

Final Thoughts 

These are the few fixes that have helped the Mac users in troubleshooting the problem. To summarize what we have discussed so far, look at the points below.

  • Always update your Mac and web browser.
  • Restart your Mac in case of any problem.
  • Refresh your system often to avoid troubles.
  • Clean your Mac space of unwanted stuff.
  • Check your internet connection.
  • Try playing YouTube videos on other browsers in case Safari does not work.

So, this brings us to the end of this post. We hope you were able to find the solution to your problem. In case you still have some doubts, you can contact Apple Support or chat here.


  • Mako Young

    Mako is a staff writer at Saint. He's been writing about tech for more than a decade. When he isn't reading about the latest news on Apple, he's busy studying cybersecurity, cryptocurrency, cloud computing, and other IT-related sectors. His exceptional work graces technology and Apple-related blogs like How-To Geek,, Macgasm, onMac, PhotoWorkout, GameRant, and many more. He also has a Bachelors in Computer Science and has been writing since 2018, with over 400 posts published. LinkedInX (Twitter)

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