Windows 10 setup is not working properly. You're seeing a black screen with a flashing line in the top left corner.
I plan to attempt that tomorrow since I'm very busy today. It's a Dell computer.
Ensure installation in legacy mode with MBR partition if your desktop is outdated.
I can help you with that. Just let me know what you need to do!
Adjust BIOS options, enable legacy USB mode, and set MBR disk.