Problem Description:
The disk structure is corrupted and unreadable documentation system structure of the disk is damaged. If the data is not important in peacetime, it can be directly formatted can use it. But sometimes there's data is important, then we must first restore the data re-formatting. Specific recovery methods can be seen to understand the text (not formatted recovery method) 
Tools / Software: Ultimate data recovery software
Step 1: First Baidu search and download the software opens, double-click the need to restore the partition. 
Step 2: Once the software finds a file, it will put the directory you want to restore the disk of the same name in 
Step 3: Copy the file you need to recover the tick, then save the top right corner of the "save as" button to tick the file copy it. 
Step 4: The final step just wait for software to copy files completed it. 
Note 1: If you want to recover removable hard disk structure is corrupted and unreadable need to pay attention, we must first restore the data re-formatting.
Note 2: The disk structure is corrupted and unreadable recovered data needs to be saved temporarily to the other tray.