If YouTube and Flash videos do not play on Mac OS X. If YouTube and Flash videos do not play on Mac OS X Safari does not open YouTube

If you access the most popular video hosting site through the Safari browser, you have probably noticed that the youtube.com page takes a suspiciously long time to open. Do you think your ISP is doing something weird? But no! What to do? There is a solution!

First, let’s thoroughly understand the question “who is to blame”? Google! “Good Corporation” has set a course for optimizing YouTube exclusively for the native Chrome browser. Now YouTube has gone through a code redesign called Polymer and runs on the exclusive Shadow DOM v0 API. There is no version of Shadow for Safari and other popular browsers - Mozilla Firefox, Microsoft Edge, Opera and so on (at least not yet).

As a result, YouTube loads up to 5 times faster through Chrome than through any other browser.

But everything can be fixed!

All we need to do for this is to go back to what we had before Polymer.

1. Install the Tapermonkey extension (unfortunately, it does not work on macOS Mojave).

2. Tell Safari that you trust Tapermonkey.

3. Install this script - it will force YouTube to use classic mode.

P.S. For Mozilla Firefox users, everything works even easier - just download and activate a special extension

Some Apple users periodically encounter a problem when, when watching a video on an iPhone in Safari, YouTube and other applications, the video does not play. Since this error occurs quite often, but is not critical, the methods for solving it are simple and do not require much time.

If a video won't play on your iPhone, force restarting the app may help solve it! At first glance, the solution is simple and banal, and you, most likely, have already done this, if so, then proceed to the next step, if not, then force closing applications on the iPhone is done like this:

For iPhone X:

1. Swipe from the bottom of the screen to the middle, pausing briefly at the end.

2. In the selection window that appears, select an application or tab that does not play video on iPhone.

3. Pinch it.

4. Now either swipe the app or tap on the minus sign in the top left corner of the tab.

For iPhone 8 and below:

1. Press the “Home” button twice.

2. Once you see a preview of your open tabs, find the app where your iPhone is refusing to play videos.

3. Swipe up on the selected app.

4. Now go back to the home screen and open it again and try to play the video. If the video playback error persists, proceed to the next step.

If the iPhone does not play video in any application, restarting the iPhone is unlikely to help. But, there is a possibility that the error is an isolated case and after rebooting the device the problem will not recur. We will not explain in detail how to restart an iPhone, since virtually everyone knows this.

However, if you have been using Apple products relatively recently and have not yet fully understood the full functionality of the device, we advise you to read the article: or look at the screenshot attached below.

What should I do if the video does not open in Safari? Clear your browser cache!

As one could understand from the name, the method is focused exclusively on the Safari application, or not? Actually no, and Safari is the most common, popular example. You can clear the cache of absolutely any application and thus try to get rid of problems with video playback on iPhone.

To clear the Safari cache, do the following:

1. Open "Settings" and select the "Safari" section.

2. Select the “Clear history and website data” option. Wait for the operation to complete.

Important: After clearing the cache, all auto-login data, mainly passwords, will have to be entered again.

Setting the correct date and time

One of the possible causes of an error in which video does not play on iPhone may be an incorrectly set date and time. The chance that this is the reason is extremely small. But we do not exclude the possibility of an iOS bug and human factor interference in the operation of the operating system. To change the date and time on iPhone, do the following:

1. Go to “Settings” → “General” section.

2. Select Date and Time.

3. If the toggle switch opposite the “Automatic” function is active, turn it off and enter the time manually. If not, just turn it on and, if necessary, restart your iPhone.

We also note that if the date and time are set correctly, do not neglect this method. Despite its simplicity and primitiveness, it can be quite effective in solving some problems.

Updating broken applications

If your iPhone stops playing videos in a specific application, most likely the problem lies there. This can happen due to a long absence of updates, as a result, the refusal of certain resources to support this version of the program, or a system failure due to malfunctions on the part of the developer.

There are two ways to update the application. Both are standard and do not require complex operations.

Updating applications using AppStore

The first way to update applications on a smartphone is with his direct participation.

1. Open "AppStore".

2. Go to the “Updates” tab and click “Update all” in the upper right corner or “Update” next to a specific application if you do not want to update everything.

Updating Apps Using iTunes

The second method is suitable if you are unable to connect to Wi-Fi or have insufficient mobile traffic. Therefore, all we need is a PC connected to the Internet, the latest version of iTunes, a lightning cable and the iPhone itself.

1. Connect your device to your PC using a lightning cable.

2. Select the newly connected device.

3. From the sidebar, select the Apps menu.

4. Now, all that remains to be done is to select the application that needs to be updated (there is also a function that allows you to update everything) and synchronize all actions with the device.

Reinstalling the application

If all the methods described above are simple and do not entail any serious consequences, then starting from this point, the actions will not be the most pleasant. Another solution to the error where the iPhone does not play video can be to reinstall the application.

Important: It all depends on the application, but after reinstalling, there is a possibility that all settings and progress that were in the application will be reset.

To reinstall the application, do the following:

1. Go to “Settings”, section “Basic”.

2. Click on the item “iPhone Storage” (the names vary in different versions of iOS).

3. Now select the application in which the video does not play and delete it.

4. Then go to the AppStore and reinstall the just removed program.

Resetting network settings

Another obvious reason why the iPhone does not want to play video may be incorrect network settings. When you reset the settings, all Wi-Fi network data that was previously saved will be erased.

1. Open “Settings” and go to the “General” section.

2. Select the “Reset” tab, which is located at the very bottom.

3. Now select “Reset network settings” and follow the easy instructions that appear on the screen.

Software update

If none of the above methods helped and the video still does not play, the cause of the problem probably lies in the iPhone itself, and not in the applications. A fairly effective way to deal with this problem is to update iOS.

Updating software using a smartphone

The first and easiest way is done using a smartphone (as is obvious from the name). All you need to implement it is a sufficient battery charge (at least 60%) and a connection to a stable Wi-Fi network.

1. Open "Settings" and go to the "General" section.

2. Select the “Software Update” tab.

3. Now click on “Download and Install”. The iPhone may also require you to remove an application if there is not enough space on the device.

4. After downloading the update, click “Install” and wait until the end of the update process.

Updating Software Using iTunes

As you already understood, the second method is carried out using a PC.

1. Make sure you have the latest version of iTunes. If so, connect your iPhone.

2. Open iTunes and select the connected gadget.

3. In the “Overview” tab, click “Update”.

Backup recovery using iTunes or iCloud

This solution is only suitable if the error where the iPhone does not play video appeared relatively recently. As the name suggests, restoration can be done in two ways.

Recovery using iTunes

Recovery mode using iTunes is suitable if you otherwise have a PC on which you created a backup before the problem with video playback and a Lightning cable. Now, all you need to do is:

1. Connect your device to your PC using a Lightning cable and enter the device into DFU mode.

2. Select the newly connected device as soon as it appears in iTunes.

3. In the “Overview” tab, press the “Shift” key (on a mac “option”) and left-click on the “Restore [device]” function.

4. Select the desired file to restore.

5. Confirm your actions by clicking “Restore” again.

6. Wait for the process to complete (the device will reboot during the process).

Problem:

Details and descriptions:

What did you try to do?

Preliminary conclusions

Black screen in YouTube player and videos not playing in Mac OS X is a common error. After searching the Internet for a solution, you can find quite a few troubleshooting suggestions, but many of the suggested solutions do not fix the video player error. However, after doing a little extra tweaking, you can use a workaround that offers some simple troubleshooting steps.

The problem when a video does not work in Safari, Firefox or Google Chrome browsers on Mac OS X is mainly due to a combination of settings and compatibility issues between Adobe Flash Player and the software that allows you to play the video. Using the following tips for troubleshooting video problems on Mac OS X, you will have video working on your Mac.

Uninstall and reinstall Adobe Flash Player (make sure you have the latest version)

This may or may not fix flash video problems, but it's worth a try. First, go to the official Adobe website and download Flash Player Uninstaller for OS X. Run the uninstaller and simply uninstall Flash Player from your Mac and restart your computer.

Once your computer boots up and you're signed in, go to Adobe.com to download the latest version of Flash Player. Install and check, maybe YouTube video is already working.

Reset Safari, Firefox, Chrome and clear cache

If Flash Player is still not working properly, you can try clearing your browser cache, then exit the browser, and restart it. Some users have reported that the video starts working properly after doing this.

Running Safari, Firefox, Chrome in 32-bit mode

This is a solution that works for many people who have problems with YouTube videos in Safari. Simply open a new Finder window on your Mac and navigate to your Applications folder. There, find the Safari/Firefox/Chrome icon, and right-click to bring up the context menu.

Select Get Info from the menu. After that, click on the checkbox Open in 32-bit mode.

Close the window and exit Safari/Firefox/Chrome. After the browser closes, open it again and it should be running in 32-bit mode.

Try playing a YouTube video.

Disabling hardware acceleration

While there is a black rectangle on the screen with a YouTube video that is not working correctly, right-click on the window area to bring up the Flash Player context menu. Select the Settings option from the menu. Cancel the option Enable hardware acceleration and click the Close button.

Close the browser completely and check how YouTube videos play after restarting.

Disable HTML 5 setting in YouTube

Depending on your YouTube account settings, you can choose to display HTML 5 content. Follow the link to http://www.youtube.com/html5 to change this setting. This means that if you are not currently participating in the HTML 5 Beta program, click on the Join the HTML 5 Trial button. Otherwise, if you are participating in the HTML 5 beta program, click the Opt Out button.

Close your browser and then launch it and check if YouTube and other Flash videos are working.

By the way, if you decide to try another product from Apple and buy an iPhone 5s, the problem with YouTube and Flash videos will probably also be relevant for you.

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