Backup your shit into a external HDD.
If the Laptop is still in guarantee take it to them they will replace the disk.
If not your gonna to have to shell out 90$ for a new laptop HDD.
Because it seems your HDD is slowly dying and that cant be fixed.
Music historian here to please and displease,learning to teach all you peeps,so stop by the music part of the forum,and ask the question to your needs.