How to Fix Mac Video Not Working [5 Tried Solutions]

How to Fix video not working on Mac? This passage will introduce five tested solutions to help you solve the problem. No matter whether you can't watch a video online or cannot play a local video on Mac, you will find a suitable solution here.

Why Is the Video Not Working on Mac

Videos and pictures are the most common file types for a Mac user, and it is super annoying to encounter Mac video not working issue on macOS Ventura or older versions. When you are planning to watch your favorite TV series on Safari, or you want to watch the daily record videos on your Mac, it is sad to find the videos are not playing on your Mac. You may meet this issue because of the following:

• The video files are damaged while transferring data from a broken Mac to a new Mac.
• The video header is damaged already.
• The incomplete download can cause videos not to work on Mac.
• Disabled JavaScript on the Safari browser.
• Virus and malware infections can cause Mac videos not to work.

We will help you fix the video not working problem in five ways. If the local video files are corrupted, find out how to repair Mac videos in the next part.

Method 1. Fix Local Video Not Playing on Mac with Software

Virus attacks, transmission errors, incomplete downloads, and hard disk damage cause video corruption. If your local Mac videos not playing or open on the macOS base system, you can try to perform Mac video repair with a third-party video repair utility.

We recommend EaseUS Fixo Video Repair because of its multiple functions, simple interface, and security.

• Repair corrupted video on Mac due to various situations, and this software has an advanced repair option.
• Repair corrupted videos from a local Mac, memory card, or external hard drive.
• Supports repair of video files such as MP4, MOV, MKV, and AVI files.

Let's find out how to repair the corrupted videos on Mac:

Step 1. Launch EaseUS Fixo on Mac

Download EaseUS Fixo on your Mac and launch it. Click "Video Repair" on the left and click "Add Video" to upload your corrupted MP4/MOV/MKV/3GP video files.

Step 2. Select the corrupted video and start repair

Select a targeted video and click the "Repair" button to start the single video repairing process. If you want to repair all the videos, select them all and click "Repair All".

Step 3. View and save the fixed videos

Wait a few minutes, and the corrupted videos will be repaired. The time you wait depends on how corrupted your videos are. Then click the "View Repaired" to preview the videos. To save the fixed video, hit the "Save" button. Keeping multiple videos is okay. Just choose "Save All" to complete.

Step 4. Run the advanced video repair process

If the quick repair doesn't work, try the advanced repair mode. Choose "Advanced Repair" to start the process. After uploading an example video, select "Confirm".

Step 5. View and save the video repaired in advance mode

A window of detailed information about the corruption and sample videos will pop up. Click "Repair Now" to start the process. When the repair is complete, you can view the fixed videos and click the "Save" button to keep the repaired video files on the path you want.

Method 2. Solve Video Not Working by Checking Internet Connection

When you are going to watch videos on Safari or other video applications like YouTube, it loads more than 20 seconds or even longer, which may be because of your poor internet environment.

Slow internet connection may be because of network malfunction and too many device connections. You can try to change the internet password or reconnect it:

Step 1. Click the Wi-Fi icon from the menu bar, and click "Open Network Preferences..." on Mac.

Step 2. Select the Wi-Fi network you are presently connected to and click "Advanced...". Forget the network by clicking the minus symbol.

Step 3. You will need to enter your Wi-Fi password again whenever you reconnect to the network.

Share this article on social media if it is informative, and help others learn how to repair videos on a Mac with or without the EaseUS Fixo Video Repair tool.

Method 3. Check JavaScript to Fix Mac Video Not Playing

JavaScript is a crucial part of the web browser. It is employed to construct anything that moves or modifies the screen in any way. Managing the changes without reloading the page is beneficial. It's crucial that JavaScript be enabled in your browser. How to enable JavaScript on your browser? Follow the steps below to activate JavaScript on Safari:

Step 1. Click on the icon in the Dock to launch the Safari program on Mac.

Step 2. Choose "Preferences" from the Safari menu at the top.

Step 3. On the Preferences window's top, select the "Security" tab.

Step 4. Select the checkbox next to "Enable JavaScript".

Step 5. To save the changes, close the Preferences window.

Method 4. Fix Video Not Working on Mac by Cleaning the Cache

When talking about clear caches on a Mac, we need to clean up the system cache, app cache, and browser cache. This 'video not working on Mac' problem can be solved by cleaning the web browser cache, and we will take Safari as an example:

Step 1. Click "Safari" and choose "Preferences".

Step 2. Click "Privacy" from the Safari preferences menu bar.

Step 3. Click "Manage Website Data…" from the Privacy settings.

Step 4. Remove all the caches and click "Remove Now".

Method 5. How to Reinstall Adobe Flash Player to Fix Video Problem

If you are using Adobe Flash Player to stream videos, this method can be helpful for you. You'd better uninstall this Adobe Flash Player and reinstall it:

Step 1. Using Spotlight to search for Adobe Flash Player Install Manager. Launch it by clicking the search result. Or you can find it in the Applications folder.

Step 2. Click "Uninstall", and this application will be uninstalled immediately.

Step 3. After uninstalling Adobe Flash Player, you can download and reinstall it from the Adobe Flash Player official website.

Conclusion

We can know five tested solutions to fix Mac video not working. If you cannot watch a video on Safari or other web browsers, you can enable JavaScript, clear the browser cache, or reconnect the internet connection. If you cannot play a local video on Mac, you should reinstall Adobe Flash Player or repair the video on Mac with EaseUS Fixo.

EaseUS Fixo can repair videos and help you a lot when you encounter data loss for various reasons. You can download this tool by clicking the following button.

Video Not Working on Mac FAQs

Here are four frequently asked questions about the video not working on Mac in this part. Keep reading and learn more:

1. Why is my MP4 video not working on Mac?

The following reasons can cause MP4 video files not to work on Mac:

1. 1. The MP4 video files are damaged during the transmission.
2. 2. The MP4 video header is damaged already.
3. 3. The incomplete download.
4. 4. Disabled JavaScript on the Safari browser.
5. 5. Virus and malware infections.

2. How can I repair corrupted SD card video on Mac?

You can use EaseUS Fixo Video Repair to perform corrupted SD card repair on Mac and repair videos with it. This software can repair the damaged videos from your SD card, and you can add sample videos to help the software repair the target video.

3. How to fix the video not playing on Mac?

You can use the following five methods to fix the video not playing on Mac:

1. 1. Repair the video with EaseUS Fixo Video Repair.
2. 2. Check the internet connection or reconnect it.
3. 3. Clear web browser cache.
4. 4. Enable JavaScript on the web browser.
5. 5. Uninstall Adobe Flash Player and reinstall it.

4. Why is my video just a black screen on Mac?

When playing videos, why does the screen go black? The major cause of the blackened window screen is a corrupted file. There are several potential causes for the problem, and this includes video file transfer failures, header problems, codec problems, and virus infection.