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Restore detected partition

Active@ UNDELETE is an advanced data recovery tool designed to recover data lost or deleted data, or even information from formatted hard disks.

We recommend that you restore a partition with a certainty status of Acceptable or higher.

Before you restore a partition, you may clone or edit the partition directly to adjust its properties.

Here are some rules to follow when restoring a partition:

Assigning a drive letter

  • Be aware of the location of executable files or files required by the operating system. Many MS-DOS and Windows programs refer to a specific drive letter when describing a path to executable files.
  • Drives A: and B: are usually reserved for floppy disk drives, but you can assign these letters to removable drives if the computer does not have a floppy disk drive.
  • Hard disk drives in the computer receive letters C through Z, while mapped network drives are assigned drive letters in reverse order (Z through B).

Setting the partition as active

  • You may set only a primary partition as active. You cannot set a logical drive (an extended partition) as active.
  • To set a partition as active, the partition must have an MBR (Master Boot Record) as the first sector.
  • A computer can only have one active partition per disk.
  • The name commonly used for the partition that contains the start-up files is the boot partition. The name commonly used for the partition that contains the operating system files is the system partition.
  • The system partition can never be part of a striped volume, spanned volume, or RAID-5 volume.
  • The system partition must be a primary partition that has been marked as active for start-up purposes. It must be located on the disk that the computer accesses when starting up the system.
  • There can be only one active system partition on a disk at a time.
  • You may have multiple basic disks and each disk can have one active partition. However, the computer will only start from one specific disk. If you want to use another operating system, you must first mark its system partition as active before restarting the computer.
  • You cannot mark an existing dynamic volume as active. However, you can convert a basic disk containing the active partition to a dynamic disk. After the disk is converted, the partition becomes a simple volume that is active. If the active partition is not the current system or boot partition it becomes a simple volume and loses its entry in the partition table. Therefore it can no longer be active.

Extended partition

  • A computer can only have one extended partition per physical disk device.
  • You cannot create an extended partition on a disk if it already has four primary partitions.

Restore partition

1. Select partition to restore

Select a detected partition in the Work with device scan results on page 19. Consider partition recovery status and overlapping with existing once.

2. Initiate partition restore

To open the Restore Partition dialog, do one of the following:

  • From the toolbar click the Restore Partition button or use the command action Restore Partition from the main menu.
  • Right-click the selected item and click the Restore Partition command from the context menu.
Disk Scan dialog. Active@ UNDELETE

Figure 23: Restore partition dialog

Assign Drive Letter

To assign a drive letter to the recovered partition, select a letter from the drop-down list.

Make restored partition Active

To set this partition as active, check the Make restored partition Active check box.

Create Extended Partition

Before a partition is restored, unallocated space can be set as an extended partition by checking the Create Extended Partition check box.

3. Click Restore button

If partition restore successfully it should become accessible for default OS file explorer.

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