If you are using computers for a decent amount of time you have probably realized that storing the data on any device, including Hard Drive, is not absolutely safe. The danger comes from the possibility of the Hard Drive breakdown or from accidental user-imposed errors causing disappearance of the most valuable data. In this basic guide, we will deal with the most common problems, when there are no mechanical or electronic problems in the Hard Disk, but the data was accidentally removed, damaged, or corrupted by the user, or when the damage occurred due to the software crash on the computer. [more]