[Help] problem with nVidia Geforce 7950 gt on osx lion

[Feleg]

Hello evry one i am Feleg i m new in hackintosh world but i mange to install osx lion on my pc

but i have a problem it s my Graphic Card its an nVidia Geforce 7950 GT it seems that some thing is wrong i will add a youtube link so you can see by your self the problem and excuse me for the quality in advance

http://youtu.be/2q4YIGPAKfw

 

system information

Graphics by NVIDIA:
 Chipset Model: Graphics by NVIDIA
 Type: GPU
 Bus: PCIe
 PCIe Lane Width: x4
 VRAM (Total): 256 MB
 Vendor: NVIDIA (0x10de)
 Device ID: 0x0295
 Revision ID: 0x00a1
 ROM Revision: NVinject 0.2.2
 Displays:
Display Connector:
 Status: No Display Connected
MBW-SERIAL:
 Resolution: 1024 x 768 @ 60 Hz
 Pixel Depth: 32-Bit Color (ARGB8888)
 Display Serial Number:			
 Main Display: Yes
 Mirror: Off
 Online: Yes

 

Description of the problem (i am a nooooob ):

-no video for youtube only sound .

-quiqtime not working .

-chess working but awful graphic and very slow.

-launchpad also very slow.

 

 

my pc configuration:

gigabyte ga-945gzm mobo

intel core duo 2 de4300 1,8 ghz

500gb hdd

geforce 7950 gt 512 mb

2gb ddr2 553

lion osx