Check that both devices support screen mirroring/casting (TV supports Miracast/Chromecast/AirPlay, or use a compatible adapter)
Connect the TV and the casting device to the same Wi‑Fi network
Turn on the TV’s screen mirroring/casting feature
On Android: open Quick Settings → Cast / Screen Mirroring → select the TV → confirm if prompted
On Android (alternative): Settings → Connected devices / Connection preferences → Cast → select the TV
On iPhone/iPad (AirPlay): open Control Center → Screen Mirroring → select the TV/Apple TV → enter the code if prompted
On Windows 10/11: open Quick Settings → Cast → select the TV → choose “Cast” or “Duplicate”
On macOS: open Control Center → Screen Mirroring → select the TV/AirPlay device → enter the code if prompted
If mirroring doesn’t appear, restart Wi‑Fi on both devices and reselect the TV in the casting menu
If using a streaming device (Roku/Fire TV/Chromecast), open the device’s casting app and select your device from the cast options
To stop mirroring: open the casting menu again and select “Stop casting” / disconnect / stop screen mirroring