Problem Description:
file or directory is corrupted and unable to read the description of the file 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 the program after the first run, select the need to restore the disk, and then point "Start Restore" button 
Step 2: The software will soon be scanned information into the same directory that you want to restore the disk volume label name 
step 3: Copy the file to be restored on the hook, and then click the save upper right corner of the "save as" button, the file will be on the hook COPY out. 
Step 4: The final step will only need to wait for the software data COPY completed just fine. 
Note 1: The file or directory is corrupted and unreadable recovered data needs to be saved temporarily to the other tray.
Note 2: If you want to restore D disk file or directory is corrupted and unreadable need to pay attention, we must first restore the data re-formatting.