UE55ES8000 - NAS drive not seen in sources

[salars]

Hi I have a UE55ES8000 samsung tv with firmware 2022 on it.
I had a nas drive on the network - an old linkstation pro and it wokred. you could see the nas drive in the sources list.
I recently got a new one - Western Digital WD ex2 ultra however now, i cant see this by the tv
i have a samsung UE37ES6300 and that works perfectly ... is there any setting i need or does the UE55ES8000 does not work ..


Is there a way i can use plex or anything else - i cant seem to find plex in the app store for the ue55

thanks for help in advance.