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Home > More Solutions>MP4 to VLC Converter-How to Solve VLC Won't Play MP4 Video Files


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MP4 to VLC Converter-How to Solve VLC Won't Play MP4 Video Files

by Christine Smith • 2024-01-11 10:27:49 • Proven solutions

Is it possible to play an MP4 file in the VLC media player? In most cases, the answer is yes, but things happen that you can't play MP4 files in the VLC media player, just like the user feedback below.

"I have an MP4 video that I can play with Windows Media Player, but VLC couldn't play it. I tried re-installing the latest VLC but no luck."-A user from

MP4 is a video file format with a multimedia container. Mostly every different MP4 files are encoded with the different video codecs. If you are using a perfect video file that is not corrupted, then the problem can be related to the video codec. You can solve this by trying other video players or converting the MP4 file to another VLC supported format, like converting MP4 to AVI, using MP4 to VLC converter - Wondershare UniConverter (originally Wondershare Video Converter Ultimate) software on Mac or Windows.

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Part 1. 3 Main Reasons and Solutions for VLC Cannot Play MP4 Files

Reason #1: Limitation on Hardware Decoding for MP4 format, especially for subtitles

Solution: Go to VLC on your computer and disable hardware video decoding.

Go in the Tools > Preferences, then click Show all Setting from the bottom left side.

mp4 to vlc converter

Now move cursor to "Input/Codecs" > "Video Codecs" > "ffmpeg", here choose Disable for "Hardware Decoding" option. Now restart your VLC and play that MP4 file again.

mp4 to vlc converter

Reason #2: Wrong video settings in preferences

Solution: Go to Tools > Preferences on your computer in VLC and check the following settings by turn.

Check the box "Enable Video" if it is unchecked previously.

Check the box "Windows Decorations."

Click on Output and select X11 video output (XCB) as your video output.

After the above settings, click the Save button and try to play MP4 files now.

mp4 to vlc converter

Reason #3: Too old version for VLC

Solution: VLC is a free media player available from VideoLAN, which regularly updates to support more formats so as to provide a better user experience. To solve the "VLC Won't Play MP4 video files" issue, you can check whether you are using the latest version of VLC. If not, just update the program by visiting the VLC official site for download.

mp4 to vlc converter

Part 2. How to Solve "VLC Not Playing MP4" Issue

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is exceptional software to solve “VLC not playing MP4” issues. This software allows you to convert MP4 videos to VLC supported format in few clicks only. It's not only a converter but a powerful video player, which plays any format video. Moreover, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) acts as a downloader, video burner and media streaming software, which offers a complete video solution.

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) - Your Complete Video Toolbox

Security Verified. 5,481,347 people have downloaded it.
  • Convert MP4 video formats to 1000+ formats, like AVI, MKV, MOV, MP4, etc.
  • Convert to optimized preset for almost all of the devices
  • Play videos in any format with its inbuilt video player
  • Edit, enhance and personalize your videos file
  • Download/record videos from 10000+ online video sharing sites
  • Industry-leading APEXTRANS technology converts videos with zero quality loss or video compression
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7.

Quick preview the steps to convert MP4 to VLC supported format:

Step 1 Launch Wondershare Video Converter

Install the program on your computer and run it. Below is the interface of Wondershare UniConverter (originally Wondershare Video Converter Ultimate) Software.

mp4 to vlc converter

Step 2 Add MP4 Files to Wondershare VLC Converter

Now browse MP4 files from your computer to convert them in the VLC supported format. Click on the Converter tab in the software interface, and then you can browse files by clicking the Add Files button or by dragging or dropping the way.

mp4 to vlc converter

Step 3 Preview Imported Videos

After selecting your file, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) will start adding files. Once files are added, you can see their thumbnail displayed as the screenshot shows.

mp4 to vlc converter

Step 4 Select Output Format

Now you have to choose the output video format. You can choose it by clicking on the setting icon from the Target box, and then choose the format you want to convert to.

mp4 to vlc converter

Step 5 Convert MP4 to VLC Format

Click the Start All button in the bottom right to start MP4 conversion immediately, and you can see the purple progress bar clearly. When the conversion ends, you can find the converted file under the Finished tab.

mp4 to vlc converter

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Part 3. 4 Common FAQ Tips for VLC

Question #1: Is it possible to convert media files to other format using VLC itself

Answer: Yes, just go in the Media > Convert/Save and Add the file that you'd like to convert select format, and then click on the Start button. But note that VLC only supports several video formats to convert.

mp4 to vlc converter

Question #2: Can I play online videos directly in VLC

Answer: Yes, you can directly play online videos by adding their URLs. Click on Media>Open Network Stream and click on the Network tab, then copy and paste the URL of the video from your browser and press the Play button.

mp4 to vlc converter

Question #3: Can I record webcam video with VLC

Answer: Yes, just click on Media>Capture Device and select Direct Show from the Capture Mode drop-down menu, select Video and audio device where you want it to capture, click on the Play button now, and it will start recording.

mp4 to vlc converter

Question #4: How to control VLC remotely from a browser

Answer: You can enable this feature by going in Tools>Preference and then click on the Radio button in the Show Setting option. Now click on the Interface>Select Main Interface and Here Check the option Web checkbox. After checking on the Web checkbox, click on the interface>Main>Lua and choose a password. Now, this feature will be enabled, and you can control your VLC with the browser on mobile or laptop. And to use this feature in your browser, please type Localhost:8080, then enter the password you choose while setting up. Now it will display the VLC media player in your browser.

mp4 to vlc converter

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Christine Smith

Christine Smith

chief Editor

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