Have a pile of amazing MKV files to play on widescreen LG TV? But strangely, some MKV files work and some just don’t seem to be playable on LG TV from USB. Your guesses are right! LG TV is refusing to play an MKV file because of the unsupported codec.  So just read on get you what want.

“In my LG 55UB085T, most of the MKV videos not working. Its says Unrecognizable File format. However same files works on other old tv and players. Why my LG TV can’t play MKV?” Why Can’t LG TV play MKV Files?

As we all know, we can enjoy HD movies on LG TV with its USB port, or wire/wireless Internet access. However, you probably confused why sometimes you tried to watch MKV file through external hard driver to your LG TV always says “sound format is not supported”. That’s because the unsupported audio codec of LG TV is used your MKV file (i.e. MKV DTS files). For your information, an MKV is only a container. Different MKV files tends to contain different video and audio codecs.

Especially, LG TV has more stricter demand on USB video. Here lists LG TV USB Supported Video Formats:

LG TV supported

How to Play All Kinds of MKV files on LG TV via USB?

It is easy to successfully play all kinds of MKV on LG TV whatever via USB drive. Since the MKV video and audio codec are not supported by LG TV, you just need to re-encode the MKV files to LG TV playable ones. For this purpose, you’re highly recommended to adopt U2USoft Video Converter Ultimate, which is capable of convert MP4, AVI, VOB, TiVo, FLV, MTS as well as MKV to LG TV friendly file format without quality loss. Plus, it offers kinds of preset profiles for LG TV, Samsung TV, Panasonic TV, Sony TV, Apple TV, etc to meet your different needs. If you are Mac users, please turn to Video Converter Ultimate for Mac.

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How to Convert MKV to LG TV for playing via USB?

Step 1. Import MKV video files

Start MKV to LG TV converter and drag .mkv files to the software interface to import the file. It supports batch conversion so you can add multiple MKV files.

Load files

Step 2. Set LG TV supported video format

Click Format bar and choose “LG TV (*.mp4)” from “TVS”, which can be recognized by LG TV perfectly. To play videos directly from a USB flash drive connected to a USB port on a LED TV, the video should be in DivX HD format. Depending on the model, the TV may support DivX 3, 4, 5 and 6. It also supports AC3 Dolby Digital files, EAC3, HE-AAC, MPEG, PCM and DTS. And choose 3D MKV for LG 3D TV and HD H.265 MKV for LG Ultra HD 4K TV.

hd video format


Advanced settings: With the right settings you can retain the quality of the original video while also saving space. This is particularly helpful when streaming over your network. Simply click Settings bar and you can tweak the settings to your satisfaction and even save it as preset.

Edit MKV video for LG TV: Click “Edit selected task” to open the Video Edit window to achieve editing MKV like trim, crop, rotate, add image/video watermark, effect, subtitles, etc in the corresponding editing pane.

Step 3. Convert MKV to LG TV video format

Convert MKV to a LG TV supported format by clicking the “Convert” button at the bottom-right corner of the main window. This MKV to LG TV Converter is highly efficient and it will finish the video conversion in minutes. After conversion, click “Open” to get the converted videos.

Now, transfer the converted MKV files to USB drive then insert the drive to USB port on LG TV for playing.