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How to Solve VLC MP4 Not Playing Issues?

Author by Cooper

Updated on Aug 11, 2023

VLC is a popular media file player that can play just about any video or audio file you can think of. Out of the box, MP4 is on the support formats list of VLC. However, a lot of users encounter VLC MP4 playback problems. Here are some solutions for it. Continue reading.

Tips. You can quickly convert MP4 to VLC-compatible format for smooth playback with this simple video converter:

Why won't play MP4Why won't play MP4

There are many reasons that might lead to "VLC won't play MP4" issue: your MP4 files might get corrupted; the configuration selected might be incorrect; the video codec might not be supported. In general, there are several solutions to solve this problem as follows.

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The VLC MP4 Problem is Due to the Incorrect MP4 Files

Solution 1: Repair the Corrupt MP4 Files.

Firstly, I suggest that you turn to another player, such as Windows Media Player (Windows) / QuickTime (Mac), so as to check whether the video files are corrupt. If they are corrupt, try to download the MP4 files again or you can repair slightly corrupt files using VLC Media Player. Here is how:

Steps to repair MP4 by VLCSteps to repair MP4 by VLC

Step 1: Launch VLC Player; go to Media> select Convert or Save.

Step 2: Add input files that need to be transcoded, and then Hit Convert or Save.

Step 3: Give the file name for the destination file.

Step 4: Select the desired option (Video-H.264+MP3(MP4)) from the profile list.

Step 5: Click Start.

This way you can repair your corrupt files into playable media files.

If this doesn’t work for your file or your files are severely damaged, then you can repair MP4 file by means of some 3rd party video fixers.

But if the MP4 video is played smoothly on other media players, you should just check your VLC media player.

The VLC MP4 Problem is Caused by VLC Media Player Itself

Solution 2: Update to the Latest VLC Version

Does VLC play MP4? VLC Plays MP4 and most codecs with no codec packs needed, but if you are using an old version of VLC, maybe the old version does not support the decoding of MP4, which causes VLC not playing MP4, so try updating your VLC to the latest version.

There is not much to illustrate this solution, since it is like "key-to-door" problem. Once you get the key and you can open the certain door. Click here or check for update in VLC Media player.

Solution 3: VLC MP4 Hardware Decoding Limitation

Disable Hardware Decoding LimitationDisable Hardware Decoding Limitation

That shouldn't be an issue, but it might be. Try turning Hardware Decoding off:

Step 1: Launch VLC, and select Tools --> Preferences. Then in the lower left click Simple under Show settings.

Step 2: Go to the Input/Codecs tab, and select “disable” in the Hardware-accelerated decoding drop-down list

Step 3: Restart VLC and try to load a video.

Converting the MP4 File to a File Which VLC Better Supports

Solution 4: Converting the MP4 files with the help of WonderFox HD Video Converter Factory Pro.

If the above solutions cannot solve your particular VLC MP4 playback issue, then I suggest you use WonderFox HD Video Converter Factory Pro to convert this unplayable MP4 file with some unsupported codec into formats that VLC can better support.

Here to Convert Mp4 into Other Formats by WonderFox HD Video Converter Factory Pro: (Take AVI as an example)

How to convert MP4 to AVI

Before start, please free downloadfree download and launch the software.

Step 1: Add your files to the software

To convert MP4 into other formats, you should select the Converter section first, and in order to add MP4 files to the software, you can click the “+Add Files” button or drop MP4 files in the window directly.

Step. 2 Choose AVI as the output video format

Click the format icon on the right side of the software’s window, select AVI as the output format under the Video column and keep/change the original parameter settings if you need .

Step. 3 Click the Run button and wait for a few seconds

Everything's ready, just click the Run button and wait for enjoying the video without VLC MP4 playback issues.

Share these methods to your friends

I hope this article is helpful to you. If your friends around you also encounter the same problem of VLC not playing MP4, I hope you can share this article with them.

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