Salam Brother 
  
ap ki old Hard Drive main OS install karny ki koi zaroorat nahin hai ap just us ko PC main lagain CD ROm ya kisi aor Port main 
  
then yeah software install karain 
  
 
http://rapidshare.com/files/144464940/EASEUS_D_R_W_Pro_v4_3_6.rar
 
  
Yeah Best SOftware hain is main deleted file recovry aor formated drive recovry b hai 
ap complete scan karain gay to formated aor deleted both files recovr ho jain gi InshaAllah 
  
Wesay to aor Software b hain like R-Studio , Get Databack , FIle Recovry etc  
but yeah soft in sab say boht acha hai 
  
agar ap ko koi masla ho to plz feel free to Ask 
  
JazakAllah