From your post I'm guessing that the TVs are wired and the tablets are using wireless.  Is that correct?  If so, have you tried connecting a TV wirelessly to the same SSID as the tablets?   I have a wonderful issue where I have a wireless printer and a wireless laptop.  If they are connected to the same SSID with the same subnet then it works If they are connected to different SSIDs with different SSIDs then it works If they are connected to different SSIDs with the same subnet, no wireless printing... ... View more