Partition Loss Due to Incomplete File System Conversion and Upgrade
But in some cases, when you upgrade to Microsoft Windows Vista, you might come across some issues and the upgrade process stops halfway. It results into incomplete upgrade and unbootable system that ultimately results into partition loss. In such circumstance, you are required to opt for Partition Recovery solutions to recover lost Windows partitions and stored data.
As an example, when you attempt to install Microsoft Windows Vista, you could not select upgrade option. You come across the be below given error message in Install Windows dialog box:
"Upgrade has been disabled.
To upgrade Windows, your hard disk partition must be formatted as NTFS. To reformat the partition, cancel the installation, open the Command Prompt window, and then type: convert c: /fs:ntfs"
This error message terminates the upgrade process.
Root of the issue
This behavior of Microsoft Windows could take place if you're upgrading a version of Microsoft Windows, which is installed on FAT32 partition. Windows Vista needs that the hard drive volume or partition, on which you are trying to install the operating system must be formatted using the NTFS (New Technology File System).
Resolution
In order to sort out this issue and carry out Partition Recovery you are required to convert the file system from FAT32 to NTFS. To do so, go through underwritten steps:
Click Start-> Run, type CMD and click OK.
On command prompt, write convert :/FS:NTFS.
After successful completion of conversion process, restart Microsoft Windows Vista Setup.
Although, above methods is helpful in a number of cases, but file system corruption and data loss are possible if the conversion does not complete successfully. In such cases, you encounter partition loss situations. To take care of such cases, Partition Recovery Software are available for your help.
These are special-purpose applications, which are designed to effectively scan the affected hard drive and retrieve all of the lost partitions and stored data. The Partition Recovery Software have self-explanatory user interface to allow Do It Yourself recovery.
Stellar Phoenix Windows Data Recovery is the most comprehensive and robust application to ensure successful and absolute recovery of FAT32, VFAT, NTFS and NTFS5 file system partitions in all cases of corruption. This software is designed for Windows 7 RC1, Vista, 2003, XP and 2000.