Why mp4 no sound

Choose Sound controller device, then Driver tab, then Roll back if available. While there make sure you also have the latest Chipset, Display, Network, USB and all other drivers, comparing with the version presently installed in Device Manager. If no newer driver then uninstall the one presently installed in Device Manager, reached by right clicking the Start Button.

Restart PC to reinstall. When did this behavior begin? Start with Step 4 to turn off Startup freeloaders which can conflict and cause issues, then Step 7 to check for infection the most thorough way, then step 10 to check for damaged System Files. Then continue with the other steps to go over your install most thoroughly. This solves many problems and will also bring it up to the latest version which you need anyway and by the most stable method.

I hope this helps. Feel free to ask back any questions and let us know how it goes. I will keep working with you until it's resolved. Andre Da Costa Volunteer Moderator. Could you download and install Windows Live Movie Maker and check if audio works in that app when editing your video?

Windows Essentials latest version In reply to A. User's post on April 30, Dadof5 I actually looked at that guide before posting.

My sound in general works fine, and these files even work fine in VLC. The upgrade tool says I'm already at the latest version.

Of course there is a possibility that your MP4 is corrupted in which case you need to repair the MP4 or download the MP4 file again from the same website or other websites. But if your MP4 is not corrupted the biggest possible cause is that the codec compressing your MP4 is not supported by your device or media player in which case you need to use a professional video converter to convert the unsupported MP4 to your device or media player supported MP4 with the supported codec.

Avdshare Video Converter is just the right video converter you will need. More surprising is that this MP4 converter can convert any video format to the one that you need. Mac Version Windows Version. The following step by step guide will show you an example and you can follow the example to convert any unsupported MP4 to the one supported by your device or media player.

Here are the simple steps to fix windows media player MP4 no sound:. Sometimes, it may happen that MP4 files do not play in any specific media player, so at that time you must try to play MP4 videos in another media player. However, if you want to play or open your mp4 video in a VLC player, then follow these steps:. Another option that you can try to fix windows media player no sound MP4 video is to convert your MP4 file to another video file format.

However, you can use the VLC media player to convert the. To do so, follow the below-given steps:. If the above two methods fail to fix corrupted or damaged MP4 files then you can use the recommended Video Repair Tool.

This software ensures the guaranteed repair of video files and brings the corrupted MP4 files into the working format. Below is the user guide that will show you the steps to be done after you install this video file repair software successfully on your PC.

Step 1: Download, install and launch Video Repair software on your system. Click on ' Add Files ' to add corrupted video files. Step 2: Click on ' Repair ' button to begin the repairing process.

This start repairing your added video files one by one. Step 3: You can click on ' Preview ', in order to preview the repaired video file within the software and click on ' Save Repaired Files ' button to save the repaired videos at desired location.

There are several unexpected reasons that can lead to no audio in Windows media player when trying to play MP4 or other video files. To fix a video with no sound, you need to ensure your volume is not turned off, you haven't muted the video, convert the video file format, and try to play your video on another media player.

If all these manual fail to solve no audio in video issue, then you need to go with the professional Video Repair Tool that mentioned above in this post. Well, I hope the resolutions given in the above section of this article will help you out to fix windows media player no sound MP4 video. So, you can choose the solutions according to your situation and need. Make sure that you always have an extra copy of MP4 files so that if your one file gets damaged or corrupted you can still access the video from another destination where you have already saved the copy of those videos.