Is there any tool I can recover the lost partition on an external hard drive?
Generally, an external hard disk is a storage device used to store, transfer, and backup data among different systems.
External hard drives can also be divided into several partitions like an internal hard disk. All the information about partitions is saved on the partition table on the external drive. There is a danger that partitions could be lost from outside the hard drive due to different reasons.
Reliable partition recovery software: four easy steps to recover lost partition on an external hard drive
In Disk Management or File Explorer, the lost partition does not appear when partition information including partition type or location is removed from the operating system. But it never disappears and could be restored somewhere on the external hard disk.
Restoring lost, deleted or damaged partitions from an external hard drive isn’t a big issue if you use a professional partition recovery tool such as AOMEI Partition Recovery Wizard, a featured utility of AOMEI Partition Assistant Professional.
AOMEI Partition Assistant Professional, an all-around partition manager, will be your first choice to recover lost partition on an external hard drive.
Before you recover the lost partition on the external hard drive
Before you start recovering your partition, please keep the following tips in mind to avoid further data loss before recovering the partition and ensure great results:
✪ Do not reformat the external hard drive.
✪ Do not copy new files to the external hard drive.
✪ Do not rebuild the partition table of the external hard drive.
Four steps to perform external hard drive partition recovery
To recover lost partition on an external hard drive via AOMEI Partition Assistant Professional, follow the steps detailed below. You can download the demo version first.
Step 1: Download & install AOMEI Partition Assistant Professional. Select Partition Recovery Wizard on the left panel and click the disk you want to recover. Click on “Next” to proceed.
Step 2: Select a search mode. Choose one and click “Next”. (It’s recommended to choose Fast Search the first time as it takes less time than Full Search).
Step 3: Waiting for the search stage to end, the lost or deleted partitions will be listed. Choose the one that you want to restore and click “Proceed”.
Step 4: When you receive the message “the partitions have been recovered successfully”, click “Finish” to exit. Then, open Disk Management or go to Windows File Explorer to check whether your lost partitions get back.
- After recovering the partition, the data in the lost partition will be recovered as well. However, if you want to recover data from a formatted, corrupted partition, it is advised to turn to professional data recovery software for help.
- AOMEI Partition Assistant Professional is only compatible with Windows 10/8.1/8/7, XP, and Vista. You can use AOMEI Partition Assistant Server to recover partitions in Windows Server2019/2016/2012 (R2)/2008 (R2).
Recover lost partition on external hard drive via Command Prompt
If the Windows File Explorer does not recognize an external hard drive partition due to a lack of the drive letter, you can use Diskpart Command to assign a drive letter to the lost partition on the external hard drive to make it visible again.
Step 1: Press “Win + R” and type “diskmgmt.msc” in the Run window to find the lost partition in Disk Management. (If a partition is deleted, the volume will be marked as Unallocated. Remember the partition size.)
Step 2: Press “Win + R” and type "diskpart", then hit the “Enter” key to open the Diskpart utility.
Step 3: Type "list disk" and hit Enter (Replace # with the number of the hard disk that contains the lost partition).
Step 4: Type "list volume" and hit Enter. You will see all volumes on the disk.
Step 5: Type "select volume #" and hit Enter (replace # with the number of the lost partition).
Step 6: Type "assign letter=#" and hit Enter (Replace # with an available drive letter, from C to Z).
This post shared the top two easiest methods to recover lost partitions on external hard drives. You can avoid much frustration by mistakenly deleting the partition once you learn how to get the lost partition via AOMEI Partition Recover Wizard. This partition recovery software can help you solve other partition issues with powerful features as well. Of course, always backing up essential files in a secured storage device is the best way to keep your vital data safe.