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i was given a 46ld550 and i plays some but not all, i dont see a specific profile for the model only just lgtv

There are no profiles for specific models of LG TVs. And the only LG profile really doesn't do much. In truth, there are probably other profiles that would work just fine for your TV. I'd have to look up the specifics about your set, but if it's 4K capable you could try some of the newest Samsung profiles, or try the Roku TV profiles. They won't be a perfect match for your set, but most likely would be fine if you have some media that requires transcoding for playback.

If you could provide the media info for some of the files that won't play, I might be able to make a better suggestion as to a matching profile.

not 4k, about 10 years old cant find any info on lg but here is a amazon link https://www.amazon.com/LG-46LD550-46-In ... B0039RRC4I

You might try one of the early Samsung profiles, perhaps the E/F version. Starting with the H version the Samsung profiles are all for 4K sets. You could also try the Roku TV non-4K profile.