How to use display casting
NOTE : Ensure the Chromecast and the device your wish to cast are within 30 feet (10 Metres) of each other, and are connected to the same Wi-Fi network.
1. Open the Google Home app on your device.
2. Touch Devices.
3. Touch the desired Chromecast (E.g., Dining room TV).
4. Touch Cast my screen.
5. Touch Cast screen.
6. Touch Start now.
7. The screen on your device will now be displayed through the Chromecast.
8. To close display casting, touch Stop mirroring on the device.
9. The device will stop casting to the Chromecast.