Reinstalling the system leads to loss of partitions, mistakenly formatted and merged partitions

Case:
The hard disk of Seagate 320GB uses the Windows XP system. It originally had 4 partitions C D E F. The system was too slow, so the system was reinstalled. After installing the system, the C drive was left. The D E F disk was gone.

Solution:
It is determined that the error caused by error Ghost has formatted the whole consistence into a partition. We use the method of restoring the partition to calculate the parameters of the original partition and restore the partition, and the data is 100%recovered.