Restart your laptop and clean the keyboard to fix some screen issues without replacing it. If your screen is black, try connecting to an external monitor to check if it's a screen problem. Sometimes ...

I almost threw away my old laptop until a $5 accessory proved me wrong ...

While fiddling around moving things and having too many things in my hands at the same time, I gently put my laptop down on the floor so it would not get broken and then turned around and resumed ...