How to Turn Off Laptop Screen When Using HDMI Windows 10 Technique #1: Power Options The following methods will show you how to turn off your laptop screen when using HDMI in Windows 10 on an external display. You get more screen real estate and you also get to save power and preserve your laptop’s battery life.Īlso Read: How to Convert Laptop LCD to Desktop Monitor This is when you would want to turn off your laptop’s screen and have a TV or Monitor as your primary display. If you’re watching a movie, video conferencing, or streaming your gaming session in your living room, there’s no point in having two screens. However, in most cases, you would only want the external screen to display the output. When you use an external monitor with an HDMI cable, it becomes an extension of your laptop’s screen.
2.5 Technique #5: Use a Pre-Configured Script.
