Problem description: After
GHOST, only C drive is left because when the system is reinstalled, the wrong option is selected, which causes the entire hard drive to be installed as C drive. After installation, naturally only C drive is left. After installing the win8 system, how to retrieve the data from the other partitions of the C drive after all the partitions are merged into the C drive, see the following for the specific recovery method. 
Tools/Software: Extreme Data Recovery Software
Step 1: After downloading and decompressing the software and running, select the disk that needs to be recovered, and then click the "Start Recovery" button. 
Step 2: It takes a few minutes to half an hour to wait for the program to scan. 
Step 3: The program will quickly find the files, and the program will list the found partitions. 
Step 4: Select the file you want to restore, right-click and select "Copy Selected File", the program will copy the checked file. 
Step 5: The last step only needs to wait for the software to COPY the data. 
Note 1: If you want to restore GHOST, only C drive is left. Before data recovery, do not save new files to C drive.
Note 2: After GHOST, only the data recovered from drive C needs to be temporarily saved to other drives.