problem of black screen after installation wase done

Hey
I have this probleme of black screen appeared immediatly after the installation of kali linux 2.0 amd 64 in graphique mode wase finished
The desktop wouldn t load

Ps: the iso instalation file is ok .

when i switched to tty1 i realised that the file xorg.conf doesn t existe so i tryed to create it with : "xorg -configure"
He give me the message error
Failed . no device to configure
I had even try to boot with the commande "nomodest" or "nvidia.modeset=0" unsuccessfully.

So if someone can help me on this issue i ll be great full.

My hardware :
Hp pavilion dv2000
Nvidia geforce go 7200
3gb RAM