Disk Repair refers to the process of fixing issues on a computer's storage device, such as a hard drive or solid-state drive. These issues can include corrupted files, bad sectors, or file system errors that may prevent the device from functioning properly. To perform Disk Repair, users can utilize built-in tools like Windows Check Disk or macOS Disk Utility. These tools scan the disk for problems and attempt to repair them, ensuring that data remains accessible and the device operates smoothly. Regular maintenance can help prolong the life of the storage device.