How does hard drive recovery work?

There are a lot of software programs in the market now which are able to restore deleted files, have you ever wondered how these software programs really work? By knowing how these programs really work, you will be able to take the right steps, in case of data loss, in order to make sure that the hard drive data recovery is successful.

First of all, let us know how the hard drive works. The hard drive consists of several disks of storage media with several writing heads installed on them . There is a very fine mechanism that moves these heads to reach every part of that storage media. According to the hard drive model, these storage disks spin more than 5000 revolution per minute. More revolutions per minute lead to faster data access.

The hard drive contains a record called the MBR “Main Boot Record” that is where all the data is indexed in the hard drive. Knowing all of these facts can make us understand why we are able to retrieve deleted data.

The point is, when you delete a file from your hard drive, it is not physically deleted but it is removed from the main directory of the hard drive so the computer consider it as it does not exist. But, it is still located on the hard drive.

When you intend to save new information to your hard drive, the hard drive starts to find a proper location to store these data, at that point the “marked deleted files” are considered as free space. Even in case of hard drive formatting, hard drive data recovery is still possible because formatting does not mean deleting the data existing on the hard drive but deleting their index from the hard drive.

As a conclusion of all these facts, the wisest move that you could do when you accidentally delete a file is to stop using that drive till you perform a hard drive recovery process. In this way, you avoid writing any new data on the deleted ones.

Always keep a backup copy of your important files in a separate drive, preferably an external one, in order to minimize the risk of data loss. Knowing all of these information about the hard drive data recovery, makes it easier for us to determine which hard drive recovery software to use and what to do to keep our data safe.

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