Cannot Install Windows manually

Hi !

Recently I received my Laptop Inspiron 7520 from supplier, it was power failure before but now they changed the Mother Board, along with machine I received Windows Product Key, unfortunately I lost my recovery media, I tried to Install Windows 8 and Windows Single Language by DVD but when I enter the Product Key a message appear this Product Key does not match for Windows images available for installation. Which Image will work for my laptop please suggest me. That is the title of product key W8H 32/64BIT SVC DPK