Can I turn my laptop screen off without closing my laptop? Yes, you can turn off your laptop's display without closing the lid. On Windows, press the Windows key + P to open the display settings ...

Even if you are using a desktop computer and there is a power cut, you can save your UPS’ battery life by turning off the screen. However, if it is not working, these solutions may help.

Your laptop might be set to turn the screen off after a short time of inactivity in order to save battery, but that’s not necessarily what you want when it’s being used as a desktop.