Cursor blinking on black screen before actual boot of system...

[Idkplzhelp]

Cursor blinking on black screen before actual boot of system...

MB: Gigabyte z170-gaming k3, BIOS:Gigabyte z170-gaming k3 F2
SSD: Samsung evo 850
OS: Windows 10 pro

Video: https://www.youtube.com/watch?v=M3EQZeReKKI

Any ideas?

 

[Idkplzhelp]

I have found out it's causing my disk or system...