TestDisk is a program that allows you to solve different problems that cause a disk to stop booting (starting the operating system), such as accidental deletion of the partition table, or some other type of failure caused by the action of a virus.
TestDisk allows you to recover missing partitions and lost files, being able to act on most file systems: FAT12, FAT16, FAT32, NTFS, Linux (ext2, ext3 and ext4), Linux Raid, BSD disklabel, Mac Partition Map, etc. . This utility is also capable of recovering and rebuilding disk boot sectors for both FAT and NTFS; As well as the ability to rewrite the MBR (Master boot record).
The tool is ideal for computer technicians who try to recover damaged or failed to start correctly, or for ordinary users who are encouraged to try to repair problems before resorting to extreme actions, such as formatting the hard disk. Also suitable for external disks and USB memory devices.
TestDisk 6.14 is the latest version available, which can be downloaded free to run on several operating systems: DOS, Windows (NT4, 2000, XP, 2003, Vista), Linux, FreeBSD, NetBSD, OpenBSD, SunOS and MacOS.
The official website has documentation in Spanish (and in English) that serves as a guide to understand the operation of TestDisk, and learn how to perform the various functions that the application supports, such as recovering lost partitions, repairing boot sectors , Recover files and folders, how to make the system bootable again, and much more.