Check that your computer and TV support casting or screen mirroring
Connect both devices to the same Wi-Fi network
Turn on the TV and enable screen mirroring, casting, or AirPlay mode
On Windows, press Windows key + K and select your TV
On Mac, click Control Center and choose Screen Mirroring
On Chrome browser, click the three dots and select Cast
Select the TV or casting device from the list
Choose whether to mirror the entire screen or a specific tab or app
Confirm the connection on the TV if prompted
Adjust display settings on the computer if needed
Disconnect by stopping cast or screen mirroring from your computer