Make sure your phone, tablet, or computer and the LG TV are connected to the same Wi-Fi network
Turn on the LG TV
On the LG TV, enable Screen Share, Miracast, or AirPlay if available
On Android, open the Quick Settings panel and tap Cast, Screen Cast, Smart View, or Wireless Display
Select your LG TV from the list of available devices
On iPhone or iPad, open Control Center and tap Screen Mirroring
Select your LG TV from the list of available devices
On Windows, press Windows key + K and choose your LG TV
On Mac, click the Control Center or AirPlay icon and select your LG TV
Open the app you want to cast from and tap the Cast icon if available
Choose your LG TV from the device list
If prompted, enter the code shown on the TV
To stop casting, disconnect from the casting menu on your device