Recovering Undetected / Unscanned partition.
Due to a virus attack my computer cannot boot and FDISK
displays partition of unknown type. Active@ Partition Recovery also shows partition of "Unknown" type and does not allow previewing and scanning.
When a partition is damaged, i.e. its type is "Unknown", Active@ Partition Recovery
cannot handle it. Due to this reason it does not allow to preview files
in that partition. However partition exists and there is no "Unallocated" space.
1. Ignoring MBR and Partition Table while program starts
While starting the program use the parameter -ignoreMBR that explicitly tells Active@ Partition Recovery to ignore default MBR and partition information,
and to scan the complete drive. For example:
After start, the "Unallocated" space will be displayed under HDD 80h.
Try to scan it by pressing [ENTER]
to detect and recover your partitions.
2. Extended Disk Scan
If you scanned "Unallocated" areas and found nothing, or you
suspect that your partitions have been damaged, or you've created and
used new partitions on top of deleted ones, you can try Extended Scan
Extended Disk Scan behaves similar to the parameter -ignorembr,
however you are not required to exit the program and run software with
a proper parameter, you just position to the proper HDD and press
Ctrl+[ENTER] key combination. Scanning starts for the whole drive's
surface ignoring existing partitions and drives. If drive or partition
is detected, you are suggested to add it to the partition table.
Figure 1-1 Extended Disk Scan
Advice: Look at the partition size and add the only partitions you
know for sure contain your data. Otherwise, your partition could be
missed: after you add the partition to the partition table,
space that equals partition size is not being scanned further.
Example: You had 3 partitions: 3GB, 1GB and 4GB in size. You've
deleted second and third partition and created two new partitions
having size 2GB and 3GB. After that you recalled that you had some
important data on a third partition (4GB). You still have a chance to
recover them, however when you try extended scan you'll be suggested
to add drives:
3GB - accept it (press [Y])
2GB - skip this partition to scan the space underneath (press [N])
4GB - accept your previously deleted partition containing your
important data (press [Y])
The only difference between extended scan and ignoring MBR methods
is that all partitions detected after extended scan will be added as
primary partitions even they were logical drives in extended
partition. So if your had extended partition with some logical drives
and your logical disk organization is important to you, use -ignorembr
parameter to restore disk structure exactly to the state as it was