Written by A smart LG TV is a big entertainment in our daily life. Nowadays it is convenient to put movies on USB flash drive and play on a LG LED, LCD, 3D or Ultra HD 4K TV via USB port. Though LG TV claims to support MKV formats, somtimes we still encounter LG TV MKV playback problems. Some MKV files play nicely while others won’t play on your LG TV or MKV playback with no sound. So what’s the matter? Check out the reason and solution here. 
Possible 4 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. MKV 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.
The solution for you is to find a third-party tool to make everything easy. The Pavtube Video Converter is one of the options. It’s good because you can use it as a video converter to first convert your MKV files and then play them on LG TV and also you can use it to stream MKV files with any audio codecs to your LG TV as long as it has DLNA support. If not, it’s okay if you have a streaming device like Chromecast, Apple TV, Roku or Xbox, PS3. If you are a Mac user, you can get Pavtube Video Converter for Mac to convert MKV to LG TV playable format.
>> Popular search: XAVC S to LG TV, video to LG 4K TV
Free download the best MKV to LG TV Video Converter:
Transcode MKV to LG TV playable format with 3 steps
Step 1. Add MKV videos
Install and run the MKV to LG TV Converter on your computer, then click “Add Video” button to browse and load your rvideos which you’ve transferred to your Windows PC. 
Step 2. Set right output format. Click “Format” bar, and select .mp4 from “Common video” or “HD video” or “TVS”. 
Tips: The default settings may not satisfy you, and you can click the “Settings” button to change the settings by yourself including video resolution, bit rate, audio sample rate, audio channel etc. for full screen playback smoothly. Or keep no changes, which is also a good choice.
Step 3. Click the “Convert” button on the main interface and the software will start to convert MKV to LG TV friendly video formats immediately. When the conversion finishes, click “Open” to find the converted video files.
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