Description of the problem:
the disk is not formatted 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: Download and unzip program to open first, simply double-click the need to restore the partition. 
Step 2: Once the program finds the information and get into the same directory that you want to restore the disk volume name in 
Step 3: data will want to restore the hook on the upper right corner and then click the save, the "save as" button to copy the file on the hook out. 
Step 4: The final step will only software such information COPY finished it. 
Note 1: The disk is not formatted recovered data temporarily saved to the other tray.
Note 2: If you want to restore the D drive disk is not formatted note, you must first restore the data re-formatting.