on gnome desktop i do this tutorial and nvidia drivers working fine:
https://forums.kali.org/showthread.php?35748-TUTORIAL-Installing-official-NVIDIA-driver-in-Optimus-laptop

but now after fresh install the kali linux if i do this here:
Section "ServerLayout"
Identifier "layout"
Screen 0 "nvidia"
Inactive "intel"
EndSection

Section "Device"
Identifier "nvidia"
Driver "nvidia"
BusID "PCI:10:0:0"
EndSection

Section "Screen"
Identifier "nvidia"
Device "nvidia"
Option "AllowEmptyInitialConfiguration"
EndSection

Section "Device"
Identifier "intel"
Driver "modesetting"
EndSection

Section "Screen"
Identifier "intel"
Device "intel"
EndSection

for the xorg.conf file i get black screen without mouse...

then i tryed this one:
https://www.kali.org/docs/general-use/install-nvidia-drivers-on-kali-linux/

everything works but i cannot let the xfce work with nvidia drivers!
hashcat -b works just fine too but i want to run the desktop manager same on gdm with nvidia drivers! i mean also for xfce...

i hope i was able to tell my problem with my bad english... i please you to help me!