1. You've posted in the FreeBSD section. An admin may be able to move this thread.
2. With NVIDIA hardware, expect that only the VESA driver will function. To configure X.org so that it uses the vesa(4) driver, create an xorg.conf(5) fragment file in /etc/X11/xorg.conf.d/ that selects it, such as:
Code:
Section "Device"
Identifier "default device"
Driver "vesa"
EndSection