Dual-boot or multi boot is a method to install two or more operating systems on one computer. This method allows you to install two or more versions of the Windows file systems. That gives you advantages with the characteristics of different operating systems, but can also sometimes cause problems.
A file system partitions can damage other system files by running the disk check (like chkdsk) and make corrections that can cause complete data loss from the partition. In these cases, it is necessary to carry out the partition recovery to recover the lost data again. As a practical scenario, if you start Microsoft Windows XP dual boot with Microsoft Windows 98, use fdisk to delete FAT partition and then reboot, you may no longer see or access the hard disk partitions. The deleted partition may not be visible even in Disk Management. This problem can occur when you do the following:
You make your system dual-boot between Windows XP and Windows 95 with the primary partition FAT as drive C.
In Microsoft Windows XP, you create two partitions:
- Partition D using NTFS file system
- Partition E using FAT file system
When using fdisk, you can see that the hard drive partitions which are using the FAT file system (that is labeled D by fdisk but it is E in XP).
When you try to delete the partition D, you delete the NTFS partition.
In this process, your NTFS partition will be deleted and your important data stored gets lost.
The reason for this is because fdisk cannot recognize the NTFS partition and remove it if it exists before the logical drive using FAT file system. In such situations, the recovery partition is essential to recover deleted partitions and recover data. It is possible with the help partition recovery tool to extract information on lost, deleted or formatted hard disk partitions.
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