Make sure your TV input is set to the correct one and make sure your computer supports dual monitors. Are you using a graphics card or your motherboard.
Check if you set your TV on HDMI.
Check your PC if it has dual monitor enabled or if it detects the TV.
Check your TV specifications and the cable type you are using.
Make sure your TV input is set to the correct one and make sure your computer supports dual monitors. Are you using a graphics card or your motherboard.