Troubleshooting for Playing MKV on LG TV

Find the root causes why you cannot play MKV on LG TV. And a straightforward and effective solution is provided.


Q: I downloaded some TV series episodes from somewhere. Whenever I put it on my external hard drive which I plug into my LG TV (LS5700), it plays the file fine but it says it doesn't recognize the audio. Is there a quick fix for this?

Q: I try to watch a high definition video in MKV format through the USB port on my LG TV. The file plays normally to my PC, but when I try to play the file on my TV, it plays without having any sound. The TV says "Sound format is not supported". Can anyone help me to solve this problem?

Q: It was really weird that my LG TV refused to play some MKV files. Someone told me to trancode MKV with DTS to MP4 with AC3, but I'm confused how to do this in a foolproof way.

Play Video on LG TV

Play Video on LG TV

Those are some typical MKV playback problems occurred on LG smart TV. Actually, you'll find similar issues like Samsung TV won't play MKV or how to play MKV file on Apple TV and so forth on the web. In general, they all have a common root cause. This article will show you some possible reasons and provide a simple solution to play MKV on LG TV smoothly.

Possible Reasons on LG TV Won't Play MKV Files

Can LG TV play MKV files? Judging from Official specs, that's for sure. But sometimes, some MKV files work well and certain files are not playable on LG TV. Why? Here are some possible reasons about LG TV MKV playback problems below.

1. Copywritten Video.
If your MKV file is a copywritten video, it won't play without a proper license.

2. Video Stored in USB device
If your MKV video files stored in a USB device that does not support high speed data transmission may not play smoothly on LG TV.

3. Bitrate or Frame Rate is Too High
Your MKV video may not work if its bitrate or frame rate is higher than the standard value of LG TV.

4. Codec Issue
The most common reason is the incompatible codec issue. Most people don't know the correlation between format and codec. As a matter of fact, MKV is a container format which contains various video and audio codecs, different subtitles and other related data. If LG TV doesn't recognize the codec, you'll fail to play MKV even though it is a supported format. In this case, you have to transcode MKV to the compatible codec certificated by LG TV.

Simple Solution to Play MKV on LG TV

How to play MKV files on LG TV? To fix LG TV MKV playback issue, if you are not familiar with the format and codec even don't know the specific way of transcoding, a simple and effective solution is to use the third party LG TV video converter. WonderFox HD Video Converter Factory Pro stands out among the options. Due to its straightforward workplace and intuitive interface, you can re-encode invalid MKV to recognized LG TV video format with just a few clicks. Free download and install this LG TV converter on your Windows PC, then launch it.

With the help of this best LG TV video converter, convert MKV or any other video to the format compatible with LG TV. Fix video playback error by yourself. Learn more >

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Step 1 - Import MKV Videos

Click "Add Files" on the menu bar or import all videos with a simple drag-and-drop. This LG TV converter supports a batch processing which empowers you to transcode MKV videos with a one-off click.

Import MKV Videos

Import MKV Videos

Note: You are allowed to convert SD video to HD, compress and convert 4K video, H.265 video as well as HTML5 video.

Step 2 - Choose Optimized Format for LG TV

Open the Output Format drop-down format list on the right, you'll find 200+ rich video&audio formats and portable devices here. Go to TV tab and select LG TV.

Select LG TV Format

Select LG TV Format

Note: Except for TV tab, you can find popular Apple TV under Apple tab and Samsung TV under Samsung tab, even some game consoles.

Optional - Open Settings window and adjust parameters for you need, such as regulate encoder, bitrate, change resolution, change aspect ratio, increase video volume, etc. Just keep smart fit for best optimization if you are not familiar with these items.

Regulate Parameters

Regulate Parameters

Step 3 - Transcode MKV to LG TV Format

Set your output file path and hit "Run" button to transcode MKV to LG TV Format.

This is the whole solution process of LG TV MKV playback issue. After all things done, it will work well for playing MKV on LG TV. Hold on! Not only that, WonderFox HD Video Converter Factory Pro can do more things. This versatile software enables you to download 4K video, reduce video size, add subtitle to video, remove subtitle, even do some simple editing like cut, merge, crop, add special effect, etc. Amazing, isn't it? With its help, you can deal with such problems by yourself.

HD Video Converter
Congrats, problem solved now! Why not keep the full-licensed program for LIFETIME at lowest price now!
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HD converter

HD Video Converter

Make illustrious balance with output quality and compression ratio as well as crop video clips and merge chapters.

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    Its fast conversion time, high-quality output and extra features make it the perfect choice for video converter software.
    by Rick | CNet
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    Convert all kinds of videos to play on all kinds of devices (like your phone and tablet) since easy to navigate, not to mention quicker.
    by Boboc | SoftPedia
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    With a straightforward interface and impressive functionality, this app provides a comprehensive solution for all of your video conversion needs.
    by Aaron | MajorGeeks
  • User comment
    Super fast and simple to use. Built in profiles are comprehensive and save a lot of time.Compression is very good!
    by Christne
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