Step 4: In the Power and sleep buttons and lid settings section, you can configure what Windows 10 should do when you press the power button. This action will open System Settings window. Step 3: Here, in the left-pane, click Choose what the powers do link. Step 2: In the Related settings section, click Additional power settings link to open Power Options window. You can configure Windows 10 to turn off laptop screen (without putting into sleep mode) when you press the power button. Method 1 of 7 Turn off Windows 10 laptop screen using power buttonīy default settings, pressing the power button on your laptop shuts down your computer.