Tap on "Technical Support Information" in the new window that appears. Then, select "About Windows Media Player". Go to Windows Media Player’s "Help section" by pressing the keys "Alt + H" on your keyboard. Go to "Start" and type "Windows Media Player" in the search field. To install MP4 codec for Windows Media Player, you can follow the below steps: You can play MP4 files with audio in Windows Media Player when you install DirectShow-compatible MPEG-4 decoder packs, or turn to the help of online codec packs like K-Lite and CCCP. Here, we will give a typical example about how to download MP4 codec for Windows Media Player. As there is slight difference when downloading MP4 codec, you need some guides based on the software you are using to play or edit MP4 files. This applies to the situation when the required audio codec is missing. Install Required Audio Codecs for Your MP4 File If you are not that lucky, you can make up for that by using a tool to repair MP4 files first to fix MP4 no sound issue. Repair the Corrupted MP4 Filesįirst and foremost, you should make sure your MP4 video is not corrupted especially the audio part. Each solution works to fix a particular cause of the error of no sound when playing or editing MP4 video. According to different situations, we provide corresponding workarounds. Now that you have figured out the real reasons, you should take action now. If necessary, you should update the audio driver of your computer. The speakers or headphones are pluged in correctly. For example, you should check the audio settings of your media player is not muted. Have a newest update or re-installation will help wipe away the MP4 file no sound error.īesides these three main reasons, there are also some other factors you should consider. No matter you want to play MP4 videos with a media player like Windows Media Player/QuickTime/VLC, or import to video editor software to edit, you should make sure your tool is in the right condition. The media player, video editor or something is corrupted so it can't play an MP4 video with audio. Simply put, various factors may lead to the corruption of a video, including virus attack, wrong video conversion, downloading, transferring, compression, etc. When the audio part is broken, the MP4 may play but there is no sound. Most of time, you are not able to play corrupted, damaged or broken video files. The MP4 file has no sound because the file has been corrupted. Besides, MP4 is a container format which can different video and audio codecs, among which may not be supported by your media player, video editor or something else. editing software which don’t contain certain audio codec. Even, you can’t hear sound when importing MP4 to Premiere Pro, iMovie, Davinci Resolve, etc. Then, the media player app which doesn’t have a supported audio codec may show a no sound error when playing your MP4 file. If there is no proper codec associated with your MP4 file, the audio function will be affected. You can hear audio from your MP4 video as there are right audio codecs. MP4 no sound is caused by missing or incompatible audio codec. So, below are detailed analyses to help you find a right solution to your MP4 file no sound problem. Whatever, codec incompatibility is the root cause. Sometimes it is the fault of the MP4 file itself, and sometimes it is the fault of the software. MP4 has no sound because of a variety of reasons. Experts are on hand to help.Free Download for Mac OS X 10.6 or later Table of Contents (This takes a while.)Īfter your system is restored to the earlier configuration, check to see whether Windows Media Player runs correctly again.įor general help with Windows Media Player, see the Windows Media Player support page. You can also post questions about Windows Media Player errors in the Windows forum. Select Create a restore point, and then in the System Properties pane, select System Restore.įollow the prompts to select the restore point just before the round of updates that seemed to trigger the problem. To do this:Ĭlick the Start button and type system restore. If Windows Media Player stopped working correctly after the latest update from Windows Update, you can verify that the update is the problem by using System Restore. If you can't burn a CD or DVD, does the disc already have content on it? If so, make sure the disc is rewritable and that you erase the existing content before you try to burn new content onto it. For more information about codecs, see Codecs: frequently asked questions. If the error involves a playback problem, you may not have the right codec on your PC to play that file. You may get an error message while using Windows Media Player but without any specific info about the error. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Support for Windows 7 ended on January 14, 2020
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