How to Solve 'VLC not Playing MP4 on Windows 10'?
Convert Unsupported MP4 Videos to VLC Player Supported MP4 H.264
The MP4 file format is supposed to be the most workable format for every video device and player, but MP4 playback issues often happen. Even the powerful VLC Player has MP4 playback issues and many users have reported that they only received sound, but not video when using VLC Player to play their MP4 files. Besides, there are some other users who reported "fail to open" or "black screen" situations when using VLC Player to open MP4 files. Want solutions? Before providing the solutions, let's learn the main possible reasons causing the MP4 playback problems.
Corrupted MP4 File
If your MP4 is corrupted the solution is to download the MP4 again or obtain the MP4 from the source again to make sure the MP4 is correct.
VLC "video output modes" is Set Wrong
Open VLC>Tools>Preferences. And then click on Video category and check before Enable video and Windows decorations. Set X11 video output (XCB) from Output category. Next click Save button to save all the above settings and restart your VLC Player.
Unsupported MP4 Codec
VLC Player is claimed to support MP4 file, but actually it only supports to play most of the available codecs for MP4, like MPEG-4 ASP, DivX 4/5/6, XviD, 3ivX D4 and H.264 / MPEG-4 AVC. So if your MP4 includes video or audio codec unrecognized by VLC Player you will have MP4 playback issues. The easiest solution is listed as below.
Convert MP4 to VLC MP4 H.264
We can use one MP4 to VLC converter to convert the unsupported MP4 to VLC Player more supported MP4 H.264, etc.
Avdshare Video Converter
Avdshare Video Converter works very well when converting MP4 to VLC MPEG-2 MP4 H.264. You will lose no quality and have the fastest conversion speed when converting MP4 to VLC MPEG-2 or MP4 H.264. You can also rely on this Avdshare Video Converter to convert any of your video formats to another video format for your device or player. The steps are listed as below.
Make Preparation: Free download MP4 to VLC Player Converter
Step 1 Import MP4 Video file
You can import your MP4 file to this converter by clicking the Add File button or by the Drag&Drop feature.
Step 2 Select MP4 H.264 as output
You can click the Profile button>General Video category where you can choose MP4 H.264 as the output format.
Step 3 Complete the conversion
The last step is to click the Convert button to get your conversion work done.