Liquid Crystal Display (LCD): What Is It and How Do I Utilize It

Simply called a "cathode ray tube" for short, this is the technical term for the kind of monitor most often used in desktop PCs.

Is there anything you can think of that may prevent a video monitor from displaying anything?

Your computer's screen goes dark unexpectedly while you're working on it. You turned up the light all the way. In the moments before it disappeared, I wondered why it had changed so dramatically. Once the brightness has been readjusted, In other words, you refuse to back down from your current pace. Why does the screen keep getting darker?