This article describes the possible ways to repair a laptop screen.
CNET How To – Replace a Broken Laptop Screen
If a laptop screen is physically broken (like a cracked screen), it is usually due to physical damage. Maybe you dropped it or something hit it. A laptop screen can even break if something small gets in between it, like a bit of sand between the screen and the keyboard.
Some other issues that can cause a laptop screen to malfunction or appear broken include:
You will need to try each of these solutions to fix your broken laptop screen. If the screen works again or you see enough improvement to use the laptop again, you can stop. If it stops working again in the future, go back to the list and try the rest of the solutions.