 As long as you are watching this video, you probably know how to use the clean command in the Disk Part 2. However, I will demonstrate the process again for clarity and in order to maintain the experimental integrity. As a result, you will get a clean disk without any file system. We are going to use Hetman Partition Recovery to get the lost files back, start the program and you will see all disks connected to this computer. Select Fast Scan. The program cannot analyze the USB drive because it lacks a file system. In order to recover data, you need to analyze the USB drive as a physical device rather than its file system. Select the USB drive from the physical disks list. Scan it using full analysis. As a result, here is what you see. The program detected several partitions in the cleaned USB drive.