4 Effective Solutions to MP4 Video Not Playing on VLC Player

by Christine Smith • Jul 23,2019 • Proven solutions

Does your VLC not playing MP4 Videos? Is there any trouble, which you really not aware of? You are in a dilemma, what is causing the MP4 Video not run on VLC Player? There may be some reasons for which VLC cannot play some mp4 files. They are discussed as follows.

Part 1. 3 Common Reasons and Solutions for VLC Cannot Play MP4 Issue

Reason 1: MP4 Video is corrupt or fake

Solution: There is no solution considering the VLC Aspects. All you need is to download the correct MP4 Video, which is not corrupt and which may be working fine.

Reason 2: VLC "video output modes" is set wrong

Solution: In this condition, all you need is to configure X Server correctly. Just see the screenshot for the same.

mp4 not play on VLC

Open VLC, go to Tools, and click on Preferences. Go to Video section and enable Video, in case it is un-clicked. Then Check the box for Window decorations, if it is un-clicked. Then set the Output drop-down menu to X11 video output (XCB) and save the changes and restart your VLC Player for the changes to come effective.

The above mentioned snapshot explains you perfectly, on how to do it and get the file run smoothly on VLC.

Reason 3: The MP4 video codec problem may be the third reason for which VLC Media Player does not play MP4

Solution: In fact, MP4 is a container video format which generally contains a number of audio, video, and subtitle streams. In the condition, If an MP4 file contains a VLC incompatible video codec, it will fail to play in VLC.

In this case, we need to convert MP4 to VLC more supported video format. For this you need to use Wondershare UniConverter (originally Wondershare Video Converter Ultimate). It is the perfect solution and is the perfect solution for all the types of conversion. It can actually Convert, edit, enhance, download, burn, organize, capture, and watch in over 150 formats. It is much more than just a converter and is one of the most powerful apps, which is sure to meet all the needs of the video conversion and can come to help in many other ways.

It is the solution for the 30x faster video conversion and has a wide range of compatibility.

Part 2. Ultimate Solution to Play and Convert MP4 File to .AVI Format

All you need is to add the file meant for the conversion purpose and select the output format, which is sure to be an .avi extension for best results on VLC. You can even adjust frame rates etc, otherwise, it is set to default. Then you need to click on convert, present on the right-hand side of the interface towards the bottom and you will be seeing your video got converted in quick time. Now, you can enjoy your video in VLC and can have the best experience of VLC.

Here in the snapshot, you can an idea of the process of conversion of a file to any other format through the use of Wondershare UniConverter (originally Wondershare Video Converter Ultimate).


The Best VLC Assistant - All-in-One Video Solution!

  • One player to play any audio/video files with the conversion function.
  • Convert video to over 1000 formats, including MP4, AVI, WMV, FLV, MKV, MOV and more.
  • Converts files 30x faster than other converters.
  • Edit, Enhance & Personalize your video files with real-time preview.
  • Download and record videos from 1000+ video sharing sites.
  • Burn & customize your video to DVD with free DVD menu templates.
  • Versatile toolbox combines fix video metadata, GIF maker, cast video to TV, video compressor and screen recorder.
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.

Steps to Play MP4 Or Convert to AVI with Best VLC Alternative on Windows/Mac

Step 1 Launch Wondershare VLC Player Alternative and Add Videos

Download, install, and launch Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on your PC/Mac, and then open it. You'll come to the Convert section by default. Click the Add Files button to select videos you want to play.

Launch Wondershare VLC player alternative

Step 2 Play MP4 Videos VLC Can't Play

You'll see the video thumbnail on the left of the panel after you've added videos successfully. Move your mouse to the thumbnail image and a play icon will appear, click the play icon to enjoy your MP4 videos that VLC can't play. This VLC player alternative allows you to edit videos here, click the icons under the video thumbnail image you'll trim, crop, rotate the video, or add watermarks, apply effects to the video.

Play videos VLC can't play

Step 3 Convert MP4 to AVI to Play on VLC Easily

If you want to convert your videos to AVI so that it can be played on VLC easily, click the Convert all files to: drop-down icon, and choose AVI also the resolutio from the Video tab. Finally, click on the Convert All button on the right-bottom to start converting MP4 to AVI. You can find your converted AVI files from the Converted tab.

convert MP4 to AVI with VLC alternative

This VLC player alternative works on both Windows and Mac smoothly, free download and install Wondershare UniConverter (originally Wondershare Video Converter Ultimate) quickly to play videos that VLC can't play, or convert them to AVI and any other format without playback trouble.

Christine Smith

Christine Smith

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