Upgrade your Windows media player to the latest version. Update audio driver via Device Manager Solution 5. Right-click the audio device > tap Update Driver from the option menu.Expand the contents of "Sound, video and game controllers".Stay at taskbar > right-click the Windows icon.Here we shows the detailed guide on how to upgrade audio driver for WMP via Device Manager (used more commonly than the manufacturer's website). If audio driver is the key to your problem, upgrade audio driver via Device Manager or the manufacturer's website. The outdated audio driver would ruin your MKV MOV MP4 HEVC video playback on Windows Media Player, as well. Install HEVC video extensions Solution 4. That's because only some Microsoft apps like Microsoft's Movies & TV video player and newest Media Player have the capability to natively play HEVC content on Windows 11/10 without installing any video extension or codec package.Īs for neglected Windows Media Player, you're demanded to install HEVC codec for Windows 11 or 10, like the $0.99 HEVC Video Extensions package or the free "HEVC Video Extensions from Device Manufacturer" package on your Windows 11 or Windows 10 first. Some video footages encoded by HEVC codec (High-Efficiency Video Coding) would have higher chance to encounter WMP playback no sound issue on Windows 10 or Windows 11. Save all the changes you've made by hitting OK button.Īdjust audio system settings Solution 3.Then you can check if there is sound coming out from Windows Media Player during MKV MP4 playback. Access to Advanced tab > opt for a different sample rate and bit depth.If no green icon, select Speakers > tap Set Default button > hit Properties option. Your sound system is running abnormally unless a green check icon appears on Speaker.Right-click the Sound icon on the taskbar > choose Sounds from the list > tap Playback on the pop-up properties window.Afterwards, follow the below steps to tweak your system audio settings if needed: Make sure your system audio (in the notification area) hasn't been turned down or muted. In case the slider bar is placed at the left, it's mute and of course no sound comes out.Īfter the adjustment is accomplished, go back to WMP and test if your MKV or MP4 video plays with sound in good manner this time. Move the slider bar from the left to the right to crank up WMP volume. Update or Reinstall Windows Media Playerįire up your Windows Media Player on Windows 11/10/8/7 and move mouse to the bottom of the UI to locate to the volume adjustment bar. Top Solutions to WMP No Sound in MKV MP4 Error And it can auto repair damaged video files for smooth playback, no sound missing trouble. Thus, you can re-load video to WMP for playback without no sound error caused by incorrect audio/video codec. codec by converting video & audio codecs to WMP best codecs like MPEG-4, H264, DivX, WMV2, 3GPP, VP8, AAC, MP3, MP2, WMAV2, libvorbis, etc. The tool is open to correct MKV MP4 AVI WMV, etc. In such case, converting video/audio codec is the way to go! WMP no audio in video playback usually results from incorrect codec. Windows Media Player No Sound in MKV MP4? Correct MKV MP4 Codec!
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