Check that your computer and TV support screen mirroring
Connect both devices to the same Wi-Fi network if using wireless mirroring
On Windows, press Windows key + K and select your TV
On Mac, click Control Center, then Screen Mirroring, and select your TV
On the TV, enable screen mirroring, Miracast, AirPlay, or casting mode
Use an HDMI cable to connect the computer to the TV if you want a wired connection
Select the correct HDMI input on the TV
Adjust display settings on your computer if needed
Confirm the TV is set as duplicate, extend, or second screen based on your preference
Disconnect mirroring from the computer or TV when finished