NVIDIA driver problem

i have one on laptop

build nvidia-driver-390

it loads fine (kldload nvidia-modeset.ko)

nvidia0: <NVS 5200M> on vgapci0
vgapci0: child nvidia0 requested pci_enable_io
vgapci0: child nvidia0 requested pci_enable_io
nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX 
platforms  390.154  Wed Jun 22 04:42:19 UTC 2022


i configured Xorg as for a guide. no xorg.conf

in xorg.conf.d file nvidia-driver.conf

https://forums.freebsd.org/threads/howto-setup-xorg-with-nvidias-driver.52311/

Xorg doesn't start. It loads nvidia driver for Xorg but just says no 
screen found.

How can i diagnose a problem?