How To Fix Laptop Monitor Black Screen. Loose or faulty cables can also be the cause of the computer monitor. Whenever you run into a Dell monitor black screen problem the first fix is updating the Graphics drivers.

Right-click on the driver to open Properties. After launching the DDU select the. Check the Power Supply.
You can do this by pressing the function key hotkey FnF7.
A computer clean boot makes your computer work in a pure environment. There are 8 solutions to help you fix the PC turns on but the screen remains black issue. Computer is asleep. Restarting is a simple process that will fix any conflict you are having with your operating system and may even help if there was damage when installing new software or drivers.
