During this process, the computer can get stuck and display a black screen. Transferring large data files during setup can take several hours.If the fan in the system is not working properly, overheating can also cause a black screen of death.Sometimes installation gets interrupted, and due to incomplete installation, a black screen appears.If your video or display driver is outdated, it can also cause a black screen during Windows 10/11 installation or maybe after.It could be due to the connection of any faulty external drive – mouse, keyboard, joystick, printer, hard disk, etc.Before moving to the solution, first, take a look at the possible causes of this error. When you get a black screen after installing Windows 10/11, you must be wondering what is causing it and how to fix it. Part 1: Cause and Solutions for Black Screen During Win10/11 Installation Bonus: What to Do if Windows 10/11 Just Keeps the Black Screen and Won't Boot Up?.Part 2: What to do if Windows 10/11 just keeps the black screen and won't boot up?.Uninstall any installed Windows theming software from the third party Remove the Software or Programs Installed Recently Enter the Safe Mode on Windows 10/11 to Fix the Black Screen Press Ctrl+Alt+Del to Restart the Computer Part 1: Causes and Solutions for Black Screen on a Computer?.