Recuperodati.exe gives you insight on how to get your data back from a failed hard disk wheather the data loss is due to mechanical, logic or electronic failure
HD Fit is a simple tool that performs a test on the hard disk surface and allows you to determine what could be the reason of slowliness, data loss or malfunctioning of the disk drive. For example, block of sporadic failed sectors [red]. means that the drive is in good shape, elevated number of consecutive blocks with failed sectors [red], a headcrash is highly probable and so on.
