But if you are using a Windows laptop, then it is not possible for you to turn off the laptop screen manually – unless of course, its manufacturer has given you an keyboard shortcut.

Before doing anything, turn your laptop off. Also, make sure to unplug it if ... to see the millions of specks of dust on your (filthy) screen. Add some distilled water to the mix.

One hardware issue that is fairly common is a flickering laptop screen. Some users may notice their screen flickering only when they use certain apps or in specific situations, while for others ...