Problem Description:
Removable Disk open inaccessible because of this I disk file system due to internal structural damage. To restore the data inside it is necessary to note that this disk is not formatted, otherwise the data will further damage. Specific ways of looking at the body recovery 
tool / software: data recovery software limits
Step 1: Download and unzip the software after the first run, select the need to restore the disk, and then point "Start Restore" button 
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: information on the hook want to recover, and then save the upper right corner point, the "save as" button to copy the file on the hook out. 
Step 4: The final step just waiting for the program to copy the files finish it. 
Note 1: If you want to restore mobile hard 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.