Open Control Panel and open Hardware and Sound.
If you dont find any audio devices, right-click on an empty audiobook pride and prejudice area and select Show Disabled devices.
PowerPC or 32bit Intel.Now play the video which had the problem and you should be able to listen to the audio.So, the problem was with the VLC media player or the settings.At the end of the option, click on Mute.For a full list of compatible file formats please click here.Mac OS.4 Tiger, mac OS.4.7 or later is required, use VLC.9.10.It comes with tonnes of customization options.Close VLC Media Player and restart.
Under Preferences, scroll down and at the bottom left click.
To fix VLC playing video without an audio problem, you have to change the audio device from the settings.
Here the Audio Device should be already set to Default.VLC can play mpeg, AVI, rmbv, FLV, QuickTime, WMV, MP4 and a shed load of other media file formats.To fix this, do the following.Simply drag and drop files to play or open them using files and folders then use the classic media navigation buttons to play, pause, stop, skip, edit playback speed, change the volume, brightness, etc.You can play with synchronization settings including a graphic equalizer with multiple pre-sets, overlays, special effects, AtmoLight video effects, audio spatializer and customizable range compression settings.It has rightly dominated the free media player market for over 10 years now and looks like it may for another 10 years thanks to the constant development and improvement by VideoLAN Org.The video was playing fine but without any sound or audio.You might have accidentally muted the VLC Media Player audio and now facing the issue.Now restart your PC and you may have your PC playing Audio again.