i have installed kali on raspberry4, also X11vnc as server. With a display plugged on HDMI, remote GUI over VNC viewer works fine.
But my raspberry has to work without a display (headless).

In this case kali doesnt start the xfce GUI when there is no display plugged on HDMI.

And no GUI, also no remote access with VNC ... only access with ssh command line.
All my raspian images works fine without a display, VNC access every time ...

Any idea, whats to do to starting the GUI without a display plugged on?
Thank you