Graphics driver is not installing on acer aspire 4715z

this machine has intel dual core .
the display driver can be downloaded from intel website

1. try the link below

http://downloadcenter.intel.com/Product_Filter.aspx?ProductID=2800&lang=eng

here you can specify the os and you will get the driver


99.99 % above will work

if not, then, goto

http://downloadcenter.intel.com/Product_Filter.aspx?ProductID=2300&lang=eng

thanks