Restart File Explorer

Next way, you can restart File Explorer, when you see a black screen and see the mouse cursor, signaling that your File Explorer is not working.

Follow these steps if you want to Restart File Explorer:

1. Launch Task Manager by pressing Ctrl + Alt + Delete keys.
2. Go to the search bar in the Start menu, type 'task manager', and select the best match.
3. In Task Manager, click File > Run new task.
4. Type "explorer.exe" in the Create New Task dialog box and press Enter.
   
   

=> This will fix the black screen error on your Windows 10.