for starters if its a new pc, (not a clone) it should come with all drivers up to date, if not for some reason it doesnt, then go to their website, which is now seagate.com and download the specific driver... here is the direct link

http://www.seagate.com/ww/v/index.js...001a48090aRCRD

choose ure EHD and download that driver... should solve it