Hard Disk Sentinel is a multi-OS hard disk drive monitoring application. Its goal is to find, test, diagnose and repair hard disk drive problems, display hard disk health, performance degradations and failures. Hard Disk Sentinel gives complete textual description, tips and displays/reports the most comprehensive information about the HDD inside the computer or in an external enclosure (USB / e-SATA). Many different alerts and report options are available to ensure maximum safety of your valuable data.