You might have to replace the screen, but first try rebooting, checking for debris, and updating the graphics driver with a second monitor This article explains the possible ways to fix a laptop's ...

Fix part of laptop screen flickering by updating drivers, adjusting refresh rate, or checking display cables. Stop screen flicker fast.

Is part of your computer monitor’s screen not refreshing properly? It’s showing old content, and no matter how many times you refresh the screen, it remains the same. If a part of the screen freezes, ...

If your PC turns on and the fans spin up, but nothing is displayed on the screen, there's a problem that needs fixing. It might be one of the more common ones and be relatively easy to fix, or it may ...