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3.3.3. Extended Disk Scan

Extended Disk Scan is to be engaged if any of the following is true:

• Scanned Unallocated areas reveals nothing
• You suspect that partitions have been damaged
• New partitions have been created and used on top of deleted partitions

Figure 3-12 Extended Disk Scan

Extended Disk Scan is similar to the command line parameter -ignoreMBR in that the Master Boot Record is ignored, allowing access to disk data. Using this new feature, however it is not necessary to exit the program and run software in command mode with a parameter.

Scanning starts for the whole drive's surface ignoring existing partitions and drives. All detected drives and partitions, existing and previously deleted (even you've re-partitioned and re-formatted the HDD) will be added to the drive's list and you can try to scan them looking for your data.

Example of Extended Disk Scan.

An original disk contained three partitions with the following sizes: 3GB, 1GB and 4GB. The second and third partitions have been deleted and two new partitions have been introduced with these specifications: 2GB and 3GB. (see figure below)

Figure 3-13 New Partitions Created.

After the new partitions have been created, you recall some important data on the old 4 GB partition. The table below displays what the Extended Drive Scan will report, showing actions to be taken:

Table 3-2 Extended Disk Scan

The table below displays the differences between Extended Disk Scan and the DOS command-mode parameter -ignoreMBR:

Table 3-3 Extended Disk Scan vs. -ignoreMBR

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