Code:
su
apt-get install x-window-system x-window-system-core
dpkg-reconfigure xserver-xorg
Choose the VESA driver instead of the NV driver.
Code:
/etc/init.d/gdm start
You have to open those text files with a text editor, that is why it is not working. I like vim or vi, so
Code:
vim /etc/X11/xorg.conf
will open the file for you.