Connect MacBook to TV 

-Connect laptop to Liahona or Liahona2 Wifi

*For Relief Society TV, connect laptop to Liahona2 Wifi

Connect to TV

-Go to Apple Menu (top)

-Go to System Settings...

-Select Displays

-Select + to see list of TVs

-Select TV from list

-Enter AirPlay Passcode from TV (first time only)

Disconnect from TV

-Go to Apple Menu (top)

-Go to System Settings...

-Select Displays

-Select + to see list of TVs

-Select highlighted TV in list to disconnect