Reinstalling the system leads to loss of files

Case:
The desktop Magoto 80G hard disk, after reinstalling the system C drive desktop data is lost.

Solution:
This failure is generally because the system cannot start, and the technicians mistakenly believe that there is no important data for the C drive, and the operating system is directly installed.In the engineer received the fault hard disk to the Server2003 environment, analyzed the structure of the disk through the disk editor (Winhex), found that the C drive was only 14G, and the installation operating system had been written to the data 5G.Find the residual file indexing information, and only find a small part of the useful information. The important files are Office documents, analyze the structural information of the Office file, extract the Office file, and extract most of the files successfully.