installing nvidia driver gf fx5200

CTRL + ALT + F1 and alternatively F2
then log into the root account
mydebianbox#/etc/init.d/gdm stop
mydebianbox#aptitude install nvidia-xconfig
mydebianbox#nvidia-xconfig
mydebianbox#vim /etc/X11/xorg.conf
change at the Device section "nvidia" with "nv"
then:
mydebianbox#/etc/init.d/gdm start