nas drive wont stream .mkv to the samsung tv

[dave11674]

hi guys

here is my setup
samsung 55led 3d tv UE55C8000
buffalo 8tb nas drive
gigabit netgear router

so here is the story

im trying to stream the files from my nas drive to the tv
avi, mp4 stream just fine
but when i try to stream the .mkv i get file not supported !!
but yet if i take this file from the nas drive and put it on a usb stick and into the side of the tv it will play it ?!?!?
this is baking my noodle
my tv is on the latest firmware form samsung.

i have an LG tv upstairs that can play the files no problems ?!?!?

has anyone had any similar problems and solved them ??

installing a server on my pc defeats the nas drive purpose so im not installing onto pc.

any help here greatly appreciated

thanks

dave

[Curious123]

I have a Netgear Readynas104 and stream all of the files. Have you checked if you have the latest DLNA software and the latest firmware for your NAS?