Aslaamo Alikum Dear all Friends

mere pass 80gb sata harddisk hai us per koi bhi window nahi hoti hai
Aur data bhi slow transfer hota hai bahut dair ke saath copy past hota hai
pls koi aisa software bata dein jis se ye theek ho jaye.
baaqi theek hai connect bhi hoti hai partision bhi kabh kabhi ho jaati hai
lekin window per koi error deti hai ya phir hard ki light on hoti hai blinking
nahi kerti hai pls all expert help me urgent.