upnp mediaserver tv

Hi! I've trouble with UPnP. Have: 1. Router ASUS RT-AC87U (Firmware: 384.5) 2. TV LG-42LN613V-ZB (Firmware: 04.28.14) or SAMSUNG UE40F6200 (Firmware: T-MST12DEUC-2111.1) or it does not matter as i'm understood. 3. HDD connected to router via USB 3.0. 3. UPnP and MediaServer up and running...