 I'm going to show you a few good programs to help you test a hard disk and fix any errors they can find. HDD Regenerator The program also features a special test for disk operability, while smart data adds more information. Windows Drive Fitness Test It includes not only several disk scan functions but also options for smart attributes preview and disk cleanup. HDD Health It examines the hard disk for errors and calculates a kind of a health index to predict its behavior in the future. Windows also has a disk checking utility of its own. Check disk. However, this utility can help you find and fix only some basic issues.