Problem Description:
Unable to access the description of this disk file system structure 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: After the first download and unzip program opens, select the need to restore the disk, and then point "Start Restore" button 
Step 2: After the software to find files, will be placed in the directory you want to restore the disk of the same name in 
Step 3: The need to recover information on the hook, and then save the upper right corner of the "save as" button, the file will be on the hook COPY out. 
Step 4: The final step in the program will simply wait for the file copy is complete enough. 
Note 1: If you want to restore the disk inaccessible need to pay attention, you must first restore the data re-formatting.
Note 2: You can not access the recovered data temporarily saved to the other tray.