In this modern era, technology is constantly getting advanced. Previously, in order to store data in few kilobytes, lot of area is needed, but now with the rise in technology, you can now save data in Terabytes that too in a small space. Nowadays hard drives generally come with the size of TB, it can be either internal or external. You can save a lot of data such as music files, document files, movies, photo files and many more. Suppose, if the photo that are saved in the hard drive gets deleted, lost or corrupt, then, in that case, it can be recovered with the help of third party application. But before that, you should be aware of the situations that lead to the deletion of data from the hard drive or the system.