"I have all my DVDs on external hard drive stored as iso files. I can watch them on my PC using a virtual dvd drive. Currently if I wnat to play the ISO videos on my LG Smart tv using USB but we can not see the video? Why?"
When it comes to DVD or Blu-ray discs, many people may prefer to backup their BD/DVD collections to ISO image files for the purpose of saving physical space and preventing BD/DVD discs from getting scratched or damaged. The created ISO image file cane be played on VLC Media Player, KMPlayer, SMPlayer. If you have a lots of BD or DVD ISO image files and want to play the ISO files on LG Smart TV or other TVs from USB devices, you'll need to do some work in advance. I mean you'll need to convert the files from ISO into a fully compatible format (e.g. MP4) with LG Smart TV because ISO is not supported by LG Smart TV from USB. If you have no idea about that, below is simle progress for you.
First of all, you need a tool that can read the ISO files and convert ISO image files to LG TV supported video formats. One of the finest solutions available for people is the EaseFab Video Converter Ultimate, which is professional yet easy-to-use BD/DVD ISO file converter. With it, you can fast convert ISO, Video_TS, IFO, BDMV, etc. disk image formats, as well as DVD/Blu-ray discs and AVI/MKV/MPG/TiVo/VOB/FLV, etc. to LG Smart TV compatible video format while keeping the original quality. An optimized preset for LG Smart TV is provided for easy access. If you're using a Mac, simply turn to Video Converter Ultimate for Mac (macOS Mojave compatible), which has the same function as the Windows version.
Read More: How to Solve LG TV Won't Play MKV Files?
Simple Steps to Play ISO image files on LG Smart TV using USB
Step 1. Add ISO image files
Launch the ultimate LG TV Video Converter, and then click "Load Disc" button to import your source media files, you can import ISO, IFO, Video_TS, BDMV and other disk image formats to the program for convert. Of course, you can click "Add Video" button to load common video formats.
Step 2. Choose the optimized format for LG TV
Now click the Profile icon to reveal output panel. And and mouse cursor to TV and Players category to Select LG TV as the output format. The optimized output format will contains the best video settings for playback on your LG TV.
Tip: Click the "Settings" button and customize proper video/audio parameters if necessary. Video size, bitrate and fame rate are flexible and can be adjusted as you like.
Step 3. Start transcoding ISO files to LG TV
Finally, hit the big "Convert" button and ISO to LG TV conversion begins. When the conversion completes, you just need to transfer converted movie to USB drive or NAS drive, then you can enjoy the converted BD/DVD ISO videos on your LG Smart TV as you want.