Problem description:
mechanical hard disk can not open access, 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: After the first Baidu search for and download the program is running, double-click the need to restore the partition. 
Step 2: After the software to scan to file, will be placed in the same directory as the recovery disk volume name in 
Step 3: The files will be restored hook option, then click the save the upper right corner of the "save as" button to copy the files checked out. 
Step 4: The final step just wait for the file COPY program can be completed. 
Note 1: You can not access the recovered data temporarily saved to the other tray.
Note 2: If you want to restore the disk inaccessible need to pay attention, you must first restore the data re-formatting.