Check the TV input ports and your laptop output ports
Connect the laptop to the TV with an HDMI cable
Select the correct HDMI input on the TV
On Windows, press Windows key + P and choose Duplicate or Extend
On Mac, open System Settings, go to Displays, and arrange or mirror the display
Adjust the laptop display settings if the TV does not appear
Use a USB-C to HDMI adapter if your laptop has no HDMI port
Use a wireless display option like Chromecast, AirPlay, or Miracast if supported
Make sure both devices are on the same Wi-Fi network for wireless casting
Set the TV as the audio output if you want sound from the TV
Adjust resolution and scaling if the picture does not fit the screen
Restart both devices if the connection does not work