[Proven Method] How to fix a black screen windows 10
First open your PC
Now login to your computer
Now press CTRL+SHIFT+ESC
As you press CTRL+SHIFT+ESC, then Task Management opens in your computer.
Now scroll down then right click on "WSAPPX" and click "end task"
Now click on "Shutdown" button by clicking on check box
Clicking "Shutdown" will shutdown your computer. After this, you will need to restart the computer to see if the problem is fixed or not.
If the problem still persists then you have to repeat the same step again.
Press CTRL+SHIFT+ESC
As you press CTRL+SHIFT+ESC, then Task Management opens in your computer.
Now scroll down then right click on "WSAPPX" and click "end task"
And now again a popup will appear in front of you in which there will be a check box, you have to click on that check box and click on "Shutdown" again.
I hope your problem will be fixed after following these steps.