Please try removing and re-adding the device via this link under the section "Managing Devices": UWGB-IoT (Internet of Things) (https://uknowit.uwgb.edu/46720#Managing%20Devices)
If you try this and it still does not work, please provide us with the following information so we can further assist you:
1) MAC address of your TV
2) Type of TV
3) Residence building & room #