no screens found

$ sudo lshw -class display
  *-display
       description: VGA compatible controller
       product: C61 [GeForce 6150SE nForce 430]
       vendor: nVidia Corporation
       physical id: d
       bus info: pci@0000:00:0d.0
       version: a2
       width: 64 bits
       clock: 66MHz
       capabilities: pm msi vga_controller bus_master cap_list rom
       configuration: driver=nvidia latency=0
       resources: irq:22 memory:de000000-deffffff memory:c0000000-cfffffff(prefetchable) memory:dd000000-ddffffff memory:dfe40000-dfe5ffff(prefetchable)

(II) LoadModule: "nvidia"
(WW) Warning, couldn't open module nvidia
(II) UnloadModule: "nvidia"
(EE) Failed to load module "nvidia" (module does not exist, 0)
(EE) No drivers available.

Fatal server error:
no screens found

Section "Monitor"
	Identifier     "Monitor0"
	VendorName     "LG"
	ModelName      "Flatron T710PH"
	HorizSync       30 - 85
	VertRefresh     50 - 160
	Option         "DPMS"
EndSection

Section "Device"
	Identifier     "Device0"
	Driver         "nvidia"
	VendorName     "NVIDIA Corporation"
EndSection

Section "Screen"
	Identifier     "Screen0"
	Device         "Device0"
	Monitor        "Monitor0"
	DefaultDepth    24
	SubSection     "Display"
		Depth	24
		Modes	"1024x768"
    EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Layout0"
	Screen		0 "Screen0"
EndSection