I can’t use wireless display channel

Hello I have a Toshiba smart tv with built in wireless display channel I have WiFi all the time but asoon as I go to use that channel it automatically losses WiFi is there a problem with my tv or am I doing something wrong ??

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0