karthikbingo 0 Newbie Poster

hello all..i work with an ASUS laptop...when my win 7 crashed i tried installing it again with asus win 7 dvd...yes win 7 got loaded but my whole of hard disk crashed..if i hav my win 7 installed in c drive and wen it crashes how do i install win 7 again without damaging my other drives of my hard disk...please help!!!