Imagine you download a couple of movies to watch on the upcoming weekend, but when you open them to enjoy the holiday, you see that there is no sound on MP4 videos. It definitely becomes frustrating, as it spoils your plan.

In addition, what if you get to know that your downloaded video has no audio? It becomes a matter of concern indeed. But you don’t need to be concerned, as a number of video repair tools are available in the market. This brief also presents an awesome utility to get rid of MP4 video no sound problems.

Part 1. The Top 3 Reasons Why MP4 Videos No Sound

It is very important to know why MP4 no sound happens before we get into the details of how you can repair such videos. Below is a list of common reasons that lead to no sound on MP4. Let’s take a look at them.

1. Corrupted Video Editor or Media Player

You can easily download a video editor or a media player on your computer, but there can be faulty installation sometimes. Moreover, if some unnecessary or irrelevant updates are made to your computer, it may also lead to MP4 no sound issues. Always use standard media players, like Windows Media Player or VLC Media Player, to watch your MP4 videos, as other players are not usually compatible with MP4 video files.

2. Corrupted MP4 File

It is another potential reason why you face an MP4 video no sound problem. Your MP4 file may get corrupted due to virus attacks, hard drive corruption, or improper shutdown of your computer. Ensure to use trusted anti-virus tools to keep your MP4 files away from corrupting or damaging.

3. Incompatible or Missing Codec

Right audio codecs help you listen to your MP4 video files. In case your MP4 video file does not have the proper codec, you will not be able to listen to the audio. This is when your media player shows a “no sound on MP4” error when you try to watch any MP4 video.

Now, you are familiar with the leading reasons why you experience an MP4 no sound problem. Let’s now move toward how you can repair such a video file.

Part 2. How to Repair No Sound MP4 Video?

Why does my downloaded video have no sound? This is one of the frequently asked questions on many online forums. You must have seen people claiming this problem. Are you experiencing the same? If yes, don’t be concerned. This section presents four credible ways to fix the “MP4 no sound” error efficiently.

Method 1. Repair the Corrupted MP4 Videos

Are you searching for a trustworthy utility to repair files with no sound on MP4? Try Wondershare Repairit Video Repair. With a user-friendly interface and advanced repair features, this tool is now the top choice of millions of active users around the world. You can perform repairs for video batches and 8K videos. Furthermore, the high success rate sets Repairit Video Repair apart from traditional tools.

Main features of Wondershare Repairit Video Repair:

  • Repair damaged videos with all levels of corruption, such as video not playing, video no sound, out-of-sync video or audio, playback errors, header corruption, flickering video, missing video codec, etc.
  • Repair videos of diverse formats, including MOV, MP4, M2TS, MKV, MTS, 3GP, AVI, FLV, MXF, KLV, INSV, M4V, WMV, MPEG, ASF, etc.
  • Repair damaged or corrupted videos caused by video compression, system crash, video format change, etc.
  • Repair critically damaged or corrupted videos available on SD cards, mobile phones, cameras, USB flash drives, etc.
  • Repairit has a quick and advanced scanning mode. You can use either depending on the level of corruption the video file has undergone.
  • Support Windows 11/10/8.1/8/7/Vista/XP and macOS 10.10 ~ macOS 13

Let’s look at how you can fix the MP4 video no sound problems with this software.

Go to the website and download Repairit Video Repair. Install it carefully and follow these quick steps.

Step 1: Add your damaged video to Repairit. To do this, tap on the “Add” button.

Step 2: Once your video is added to this tool, click on the “Repair” button to start the process. Repairit will now automatically start fixing the “MP4 video no sound” problem. Wait for some time until the fixing process gets completed. Once done, you will see a pop-up showing you the progress.

Note: If this repair process doesn’t work for you, try the “Advanced Repair” feature. For this, you will have to upload a sample video in the same format as your corrupted MP4 video file.

Step 3: Now, you can watch the repaired video before downloading. For this, click on “Preview,” and you will be able to see the fixed video, as shown below.

Step 4: Are you satisfied with what you have previewed above? If yes, select the right path on your system, and save the output file immediately.

Once the final video file is saved, a notification will appear on your system’s screen.

Method 2. Install Required Audio Codecs

Your video editor or media player must have appropriate audio codecs to play MP4 video files. If you don’t have the right codecs, you will not be able to play the files appropriately. Now the question that arises here is: how to find the right audio codecs and install them?

Well, it is simple and easy. All you need is to utilize the technical support information of the media player, like Windows Media Player. Doing this will surely help you find the right audio codecs. This way, your MP4 no sound problem will get fixed.

install missing codecs of media player

Method 3. Change the MP4 Video Format

Are you still facing the same problem? Don’t worry! Converting MP4 video to another format is one more solution to the “no sound on MP4” error. A long list of file formats is available. A few of them are MOV, AVI, MP, and WMV. You will need a file converter to convert your MP4 video files to any other format. You can use VLC Media Player for this purpose.

Method 4. Use Another Media Player

Is the “MP4 no sound” issue still there? No worries. Try another media player to open your MP4 video files. You can choose any media player you want. The top choices include; VLC Media Player, QuickTime Player, and Windows Media Player. Every media player comes with different audio codecs, so switching to another player may do the job.


MP4 video no sound” is one of the leading problems millions of people worldwide experience every other day. Several reasons are behind this issue, as discussed above. With an efficient tool like Wondershare Repairit Video Repair, you can fix it effectively if your downloaded video has no audio. Give it a try.