i have a samsung b650 and it plays mkv perfect, if u have the LED tv thats a step up so it should definatley work series 7 i take it?

I have a un55c9000. It will play vlc via mediaplay, but audio is not supported.

How do I get audio to work?

If mkv file is less than 4gig, load to flash drive and put it in usb port, if you get play media screen it will play it. My 46inch Samsung plays mkv`s. My anti Q computer also is vga cable to tv, and like other post can play useing vlc player.

My onida 22 led tv plays mkv rmvb avi divx flv files

does your samsung have the built in mediaplay? Ours does. I think that mkv is supported.

the TV cant identify the file it is being fed.....so if you hook up your TV to your lap top via HDMI or through the external display port....what ever your computer plays, will show up on the TV screen....you have to install a program on your computer that plays mkv files e.g. VLC etc.

Or....you could just try it and see if it works

I have no idea. Did you try contacting Samsung customer support???

read your user manual.