You must initialize the disk before … – How to recover your data

By | November 6, 2017

When Windows Disk Manager does not find partitions it will display the message “You must initialize the disk before Logical Disk Manager can access it”. In other words the hard disk, SSD or removable device is “unallocated” or not partitioned. What is this and how do you recover your data if you need to?

Related: The volume does not contain a recognized file system.

You must initialize the disk before Logical Disk Manager can access it

To store data on a hard disk or SSD, Windows (and other operating systems) need file systems. To create a file system the disk needs to be partitioned. If no partitions are present the OS will not be able to access the data on the drive. If the disk does not contain data you need to access, you can initialize the disk. After initializing the disk can be used to store data. Initializing will create partitions, format the partitions (create a file system) and assign drive letters to the newly created volumes.

If you need to recover data from the disk however, do NOT initialize the disk!

Recovering data from an un-initialized disk using ReclaiMe

Why ReclaiMe File Recovery?

recover data when volume does not contain a recognized file system

Scenario: “You must initialize the disk before Logical Disk Manager can access it”.

Using ReclaiMe itself is simple and straight forward. Once you have the system set up, you’re just a few clicks away from recovering your data.

ReclaiMe File Recovery

File Recovery doesn’t get easier than this!

ReclaiMe File Recovery for data recovery from hard disks, external disks, flash media and NAS. $79.95

  • Windows: FAT, FAT32, exFAT, NTFS, ReFS.
  • Linux: Ext2/3/4, XFS, BTRFS.
  • Apple: UFS, HFS, HFS+ and APFS.
  • No technical skills required to operate the software
  • NAS data recovery, no additional tools required
  • RAID data recovery, with free add on.
  • Fast! Often you can start viewing and recovering your data within minutes!

Read more about ReclaiMe File Recovery!

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We need:

  • A running Windows system. If it is the system drive that is corrupt, you will need to remove it from your computer and attach it to another PC. An inexpensive USB enclosure is a convenient way to attach the disk to another PC or laptop.
  • ReclaiMe.
  • The ‘victim’ disk where you will be recovering data from.
  • A destination disk where you will copy files to.

Now, run ReclaiMe File Recovery Software. All you need to do is select the physical disk (Disk [number]) and click Start.

ReclaiMe displays the model name and size of the disk. It gathers a device self-diagnostics information as well (S.M.A.R.T.). The program selects the color of the icon for a particular device according to the self-diagnostics data. Gray color means that a device is in good condition which corresponds to a normal (working) state; red icon color indicates that a hard drive (or one of the drives in a complex volume) is faulty.

recover data from an un-initialized disk

ReclaiMe will normally almost immediately start populating the folder / file lists. You can already preview text and image files. You can also search for and save files (using the Save button).

Wait for the number of files in the left bottom corner if the windows to settle, you can pause the scan (usually after 2% – 3% scanning). See if the files you need to recover are listed and recover (Save) them. You can resume the scan if needed.

This short video also explains the entire procedure:

Software to repair a partition table:

Although it is sometimes possible to repair an uninitialized disk, it is not recommended. You need to have an above average understanding of partitions. Also, as repairs write to the disk, it is very well possible you make the situation worse.

TestDisk website here
DiskPatch website here