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VLC Not Playing MP4 Videos? Try Top 7 Solutions

Aaruni Arora
Aaruni Arora January 15, 2026
Summary: Are you facing the VLC can’t play MP4 video files issue? It can happen frequently in the VLC media player. This blog discusses the reasons and best manual techniques to fix this issue. Moreover, it also mentions an innovative MP4 Repair Tool for secure and quick recovery from the such video-related issues.

VLC is a popular open-source media player, known for its capabilities to play a wide range of video and audio files. However, VLC can sometimes encounter issues like MP4 not playing in VLC and other playback problems. Many users have repeatedly reported encountering such issues. It can take place due to a variety of reasons. In this detailed blog, we will find out why this happens and how we can fix it.

Why is MP4 Not Playing in VLC Media Player?

The following are some reasons behind MP4 not playing in VLC media player:

  • Lack of support due to missing or incompatible codecs.
  • You might be using an older version of VLC media player.
  • If the MP4 video is corrupted or damaged, then it won’t play.
  • Incorrect video settings can also cause VLC doesn’t play MP4.
  • Playback issues due to the external device not working correctly.

Methods to Fix VLC Can’t Play MP4 Video

Below are some manual methods discussed with detailed steps. Follow them to get the VLC can’t play MP4 video issue fixed:

Method 1. Check for the VLC media player update

Before moving to technical solutions, first make sure you are using an updated version of the VLC media player. You can check it by clicking Help >Check for Updates.Check VLC for Updates.

Method 2. Convert MP4 into another format

If your MP4 video is not working in VLC, then you can convert it into another format. Here is how you can do it:

Step 1. Open VLC media player and click on the Media option located at the top left corner, then click on the Convert/Save option.click on the Convert or Save option in VLC

Step 2. Click on the Add button to upload an MP4 file, then click on the Convert/Save button.Click on the Add button to upload an MP4 file

Step 3. Select another video format from the drop-down list against the Profile option, then click on the Browse button to provide a saving location and click the Save button.Select another video format from the drop-down list

Method 3. Disable hardware decoding

Sometimes, hardware decoding settings can also interfere with your video files. Try to turn off the hardware decoding settings and see if the issue is resolved:

Step 1. In VLC, click on the Tools option, then click on the Preferences option from the drop-down menu.click on the Preferences option in VLC

Step 2. Go to Input/Codecs, click on the drop-down menu against Hardware-accelerated decoding and select Disable, then click Save to change the preference settings.Click Hardware accelerated decoding and select Disable

Method 4. Reset VLC preferences

There might be a chance that an incorrect preference setting is configured in VLC. Reset the preference setting and open the MP4 video again:

Step 1. Again in VLC, go to Tools >Preferences.

Step 2. From Interface, click on the Reset Preferences option.click on the Reset Preferences option

Step 3. You will receive a message saying, “Are you sure you want to reset your VLC media player preferences?”, then click OK.Are you sure you want to reset your VLC media player preferences

Method 5. Update video drivers

If you are using obsolete video drivers, then they might create issues while playing video. Update the video drivers with the following steps carefully:

Step 1. Press Windows+R keys to open the Run wizard, then type devmgmt.msc and click OK.open the Run wizard

Step 2. Scroll down and look for Disk adapters, then right-click on it and tap on Update Driver Software.Scroll down and look for Disk adapters

Method 6. Enable Automatic Repair in VLC

VLC offers an in-built option to repair video files automatically. You can enable the automatic repair feature to fix the MP4 file. Here are the steps to do so:

Step 1. In VLC player, go to Tools >Preferences.

Step 2. Tap on Input/Codecs, then look for the Damaged or incompatible AVI file option and choose the Always fix option, and finally click on the Save button.choose the Always fix option

Method 7. Change video resolution settings in VLC

Here are the steps to change preferred video resolution settings in the VLC media player:

Step 1. In VLC, click on Tools >Preferences >Input/Codecs >click All from the show settings.click All from the show settings.

Step 2. Go to Input/Codecs >Preferred video resolution >Full HD (1080p) >Save.Select Preferred video resolution 1080p

If these methods don’t work for you, then there are chances your MP4 video file is highly corrupted.

Fix Corrupted MP4 Video File with a Professional Solution

If your MP4 file is severely corrupted or damaged, then only an advanced tool like the KDR MP4 Repair tool can fix it. This advanced MP4 Repair Tool supports bulk video file repairing without causing any data loss. Moreover, it offers innovative repairing features and filters for a hassle-free process. Here are some benefits of the tool listed below:

  • The tool efficiently repairs large video files (4K or 8K) with no limitations.
  • Add a healthy sample video file as a reference to make sure 100% accuracy.
  • Preserve file name timestamps, file type, size, and creation date.
  • Repair videos recorded with iPhones, GoPro, Dash Cam, DJI, etc., in minutes.
  • The demo version allows repairing the first 30 seconds of the video without any issues.

Conclusion

There are many scenarios where VLC can’t play MP4 video files. We have provided some of the best manual methods to resolve this issue. But if the MP4 video is corrupted or damaged, then it won’t be fixed with these methods. In that case, you can use our advanced repair solution. This tool offers excellent features to streamline your experience.

Frequently Asked Questions

Q. How to fix the MP4 not playing in VLC issue?

A. Check the VLC media player version you are using, change video preference settings, update video drivers, convert MP4 to another format, or change video resolution settings.

Q. My MP4 file is corrupted. What to do now?

A. Use an advanced tool like the KDR MP4 Repair Tool to fix the corrupted MP4 video file.

KDR MP4 Repair