for windows 7 nforce2 driver installation procedure:
1: go to : http://nf2.stuff.googlepages.com/
2: download NF123LR1.0 driver package
3: install all drivers
4: after installed all drivers you must update the gart driver or you can not install display card, go to device manager and select system device , choose nforce pci -agp 400 brige and select update driver online. after new gart driver installed restart computer. the display card can be installed automatically or can be installed by yourself