VLC Not Playing MP4 Files Properly Get VLC Repair Solutions

Do your mp4 video is not playing in VLC or due to some reason VLC not playing youtube videos? Read the post to find the answers of VLC not playing mp4 and how to fix VLC video lag.

Apr 17,2020 • Filed to: Photo/Video/Audio Solutions • Proven solutions

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A common notion that has been set in our minds and seems true is, VLC supports every file format and can easily play any video regardless of its file type. Not only this, the VLC media player allows you to stream your live video as well as offers you the facility to record your desktop. However, the situation can be very vexing when you urgently need to watch a video and you see the “Can’t play this file” error instead. If you are facing the same situation then you have landed at the right place. We have described some of the handiest methods to get rid of the VLC audio lag as well as the VLC video lag issue.

Read the complete article to find how to repair VLC MP4 and MKV files within minutes.

Part 1. Why Is VLC Not Playing MP4 Files

It is a very unusual activity from the VLC media player if it suddenly stopped working or won’t able to play a video file because due to its unlimited features, it has earned a good reputation in the market. The maximum chances are it would be due to broken header or unfinished I/O operation that left in the mid. With the increasing number of users, it is noticed that many people complained about VLC repair mp4 problem.

The greatest and instant solution to this problem is trying restarting your operating system or reinstalling the VLC media player again. Because sometimes it is because of windows or VLC’s internal software issue. So, hopefully doing this may resolve the glitch.

Here are some reasons that cause the VLC not playing MP4 files issue.


Part 2. How to Repair “VLC Not Playing MP4 Files”?

You can see a whirlpool of the guides regarding the post How to Repair “VLC not playing MP4 files.” So, finding a perfect and ideal solution to repair your damaged videos might be time taking and in case, if you choose the wrong method or product in a hurry then it can take your several hours to find a perfect one.

Looking at your ease, we have proposed the two best techniques after passing through several experiments which will truly help you to repair the corrupted video files.

Solution 1: VLC Video Repair

Repairing your damaged video files using the VLC media player is by far the best and efficient way. You might be wondering, VLC is a media player then how it can repair the damaged videos. Well, that’s what the excellent perspective of the VLC media players that allows it to repair the MP4 video files.

So if you found that the video file that holds the very significant information or memories, has been corrupted due to an unknown reason then, fortunately, you can repair that MP4 file on your own by going through some basic steps.

So, Let’s see how to fix VLC not playing MP4 files problem.

Step 1: First of all, open the default VLC application and it will appear with a black screen yet having options for modifications and editing. From those options, hit the click on the Tools option that will be further expanded to different actions.

From the very last among the options, choose the preferences option or simply press Ctrl +p to access the preferences feature.

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Step 2: It will immediately take you to another window. From there, click on the Input /Codecs feature and then hit the Show All radio button located at the left-bottom of the window.

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Step 3: After reaching to the next screen, carefully follow the sequence of steps to get the expected results. At the start, you see a screen like this but that’s no the place where we have to make changes.

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Step 4: The flow of the steps will be:

Find the Input/Codecs option from the window. Expand it.

Here, you can see the video codecs option. Further, expand it.

From the next actions, select the FFmpeg feature and as a result, there will appear a rush of actions.

On the right side, find the Hardware Decoding field among the options. Make sure it is Disabled. If it is not set to Disabled then choose the respective feature.

Click on the Save in order to save changes.

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Close the window and play the corrupted video for a test. You will find that corruption is gone form the video.

Video Tutorial on How to Repair Corrupted MP4 Video Files

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Solution 2: Recoverit Video Repair

Besides the VLC media player, Recoverit will be my first choice to repair damaged video files. The words would become less if I started to explain its features. Reecoverit is a very agile and reliable tool to repair the corrupted as well as damaged videos. It stands highest amongst its fellow competitors.

Recoverit Video Repair features:

Here is a brief list of Recoverit’s features.

Repair Videos Using Recoverit

The quick mode is only feasible when you are looking to repair/remove the simple video errors.

Hence, the Advance mode allows us to add an extra sample video shot. But the condition is that video files must be taken from the same device. Also, the file format should be exactly the same as the corrupted video.

Now, we will see step by step guide on how these methods work to repair our damaged computer.

Step: 1 Add Damaged Video

Click Add botton or "Add video and start repairing" area to add the corrupted file on the software screen.

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Step: 2 Quick Repair Damaged Videos

After the completion, when all files are added, you can click on the Repair button to start the repairing process.

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When all of your added files become damage-free, you will be notified through a prompt.

Press the Ok button to confirm and after that, you can play the videos.

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Step: 3 Advance Repair

If the video file fails to be repaired, there will show a reminder of repairing failure and an Advance Repair option beside the damaged video files. Just click the Advanced Repair button to repair severely damaged video. But you need to add the sample files. Just click the folder icon to browse and choose one.

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When the videos have been fully added, you can press the Repair button in order to start the repairing process with advance mode.


Part 3. How to Repair Other Video Errors on VLC Player

Besides the corrupted videos files, there are some other issues that user experience on the VLC player. Well, we have picked those who were most searched by the people regarding the VLC media player. So let’s see how to repair other video errors on the VLC media player.

4K video lag on VLC player

No doubt, VLC is the best media player for streaming videos but as an application, it may possible that due to a bug or 0.3 cache problem, your 4k videos start lagging on the VLC.

Without knowing its capability and features to potentially repair damaged videos, most of the people think that VLC is just a media player. Sometimes, when UHD videos are played on the VLC, they may refuse to play the video properly. Due to the large size, high definition videos may start lagging or skipping frames on your VLC media player.

However, that’s not a big deal. You can use multiple ways to repair the 4k lag in VLC media players. One of the best pick to repair 4k videos lag is Recoverit Video Repair Tool.

Secondly, if your VLC media player is still unable to play 4K videos, you may need to do some changes like enable GPU acceleration or escalate your cache value, both of which are essential and affective actions to allow you play 4K videos within VLC.

To avoid future lagging, you can make changes in Input/Codec. Apply the settings that best suit your videos. You can find the settings from Tools>Preferences > Input/codecs options.

Before this, you may know some potential reasons that cause 4k lag so that the next time, you can prevent them.

Likewise, VLC has also enhanced the graphics option on its application in its new update.

If this issue is happening just because of stream speed issues, then you can customize the buffer speed per stream.

Else, here are somethings that you must try to avoid from the 4k video lag on VLC.

Otherwise, you have to face the video corruption and thus need to get solutions for HD video repair.

Repair MKV file with VLC

A great number of the search is found on the keyword “repair Mkv file VLC” which indicates that the people are facing problems in running their MKV video files. There is no fact that the issue created by the VLC media player. However, you can perform a quick repair through your VLC media player.

Recoverit Video Repair Tool is a great source to repair MKV files that are damaged and no more working on the VLC media player.

Besides this, there are several ways to repair MKV files with VLC. Some of them that you can try are:

These methods are for VLC else you can use the Recoverit Repair Tools in order to repair the MKV files.

MP4 videos have no audio

It happens sometimes when you are unable to listen to the audio of the MP4 video or the video produces multiple sounds at the same time. Well, in that case, try playing more than one MP4 file and check whether all the video files are unable to produce audio or is it was just the only one?

If this is a video that has an audio problem, Recoverit can efficiently repair this kind of video. You can try this robust software to repair your MP4 vides files audio issues.

There are possibly three kinds of issue that usually occur:

You can explore the top 6 solutions to fix MKV no sound problem.

Part 4. How to Avoid Video Playing Errors

Sometimes it is very frustrating when you play the video and get an error message and nowadays, it has become very normal. But there are also solutions as well to get rid of the video playback issues.

Video playing errors can be defined as those issues which don’t allow the videos to run properly. It can be anything, freezes, corruption, black screen, etc.

Obviously, there would be a reason behind every playback issue. Some of the prime factors that cause video playback errors are:

By keeping the latest version of media player can also help to avoid video playing errors.

I hope the article will truly meet with your needs but if the above techniques didn’t solve your particular VLC not playing MP4 files, leave the comment and we will come to you as soon as we can. But I am sure that the Recoverit will be able to provide you with satisfactory results.

Eleanor Reed

staff Editor

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