Hello,
Let me explain my problem:
I installed kali-linux this morning, kali-linux don't want start. I finnaly remove my HDMI screen and kali-linux starting as well.
But when i add my HDMI monitor, my vga + my hdmi become black screen.
I need remove my HDMI and restart my computer for have a screen.
I need your help

So: i have A VGA screen and one hdmi
Nvidia gtx 750ti
thank you