How To Check And Repair Hard Disk for Bad Sectors & Errors

This video provides an extensive guide on understanding, detecting, and addressing bad sectors in hard drives, a common issue affecting data integrity and system performance. It covers the nature of hard disks, the types of bad sectors (physical and logical), their causes (like physical damage, overheating, aging, and viruses), and symptoms (system freezes, strange noises, and file corruption). The text also outlines various methods for identifying bad sectors using Windows tools such as Settings, File Explorer, and Command Prompt, and details how to repair them using both native Windows utilities like CHKDSK and PowerShell, and third-party software like Hard Disk Sentinel, HD Tune Pro, and SeaTools. Emphasizing the importance of early detection and repair, the guide is a comprehensive resource for managing and maintaining hard drive health.