1) double click on that base system then its properties window will be opened.
2)select details tab and then select hardware ids from the drop down menu in property section
3) note ven(vender and dev(device) ids (note: the number after _ is the ven&dev ids ex: ven_100 && dev_200 here ven id is 100 and dev id is 200)
4)then go to www.pcidatabase.com website, enter the vendor id ( ex :100) and click on search
5)vendor name will be displayed then click on the vendor name
6) then use the device ID to find the respective device from the list (ex:dev-200)
7) thats it there u can get all the details
using that information try to download drivers and install it