Acer Veriton Z4620G driver issue

I have recently had my hard drive wiped so had to install a fresh version of windows 7 on here, but I have no drivers, I have downloaded all the drivers for the 32 bit version, installed the chipset, but when I try and install the VGA driver from intel it fails and sais "this computer does not meet the minimum requirements for installing the software" need some help please !!