Undo ESD-USB | Convert 32GB ESD-USB Hard Drive/External Hard Drive to Normal

Don't worry if you accidentally convert your hard drive or external hard drive to 32GB ESD-USB. To undo ESD-USB, you need to delete the ESD-USB partition and use EaseUS Data Recovery Wizard to restore all lost files first. Then you can create new partitions on the drive so to revert it to normal.

Table of Contents

This page covers solutions on how to undo ESD-USB drive and restore your device to full capacity without losing data on Windows 10/8/7/XP/Vista.

Accidentally Converted External Hard Drive to 32GB ESD-USB, Lost data and Partition

"Does someone know how to restore my 32GB ESD-USB 1TB external hard drive to normal?

I mistakenly converted it into an ESD-USB drive while trying to create a Windows media creation tool. Now the drive only has a 32GB partition left, the rest partition and data were all gone."

Mistakenly coverted drive to esd-usb drive.

Besides the shown state of ESD-USB drive in the above picture, you may also have experienced the listed symptoms on your hard drive or external hard drive:

  1. 1. Hard drive or external hard drive shows only 32GB or 31GB in Windows Explorer
  2. 2. Partitions become unallocated on ESD-USB hard drive or external hard drive
  3. 3. Saved data get deleted or lost

Don't worry if you are having the same issue. Read on, and you'll learn how to restore lost data and undo the ESD-USB drive on your own in the following two parts.

Notice:
If you lost valuable data on your hard drive or external hard drive, move to Part 1. You can apply the provided methods there to bring your lost files back immediately.
If you want to immediately convert your ESD-USB hard drive or external hard drive to normal, follow solutions in Part 2 for help.

Part 1. Restore Valuable Lost Files

When you happen to create the Windows Media Installation Tool on the wrong drive, you will lose all partitions and data with only a 32GB ESD-USB partition left. The urgent task is to bring the lost files back when your storage device turned into ESD-USB drive.

To do so, you'll need to delete the ESD-USB partition first and then apply file recovery software to scan and restore all lost files. Go through this part and learn how to bring all your lost data back as soon as possible.

1. Delete Existing ESD-USB Partition 

As you know that the existing ESD-USB partition only contains some Windows installation files, which are not what you want. As a result, deleting the existing 32GB partition won't cause an actual data loss on your drive.

Also, to prevent the restored data unopenable issue from happening, EaseUS data recovery experts suggest you delete the ESD-USB partition and use file recovery software to scan the whole hard drive.

Therefore, to guarantee the restored data available and reusable, follow the steps below to delete the existing partition:

Step 1. Connect your external hard drive to PC and open Disk Management.

Step 2. Locate and right-click on the ESD-USB 32GB partition on your device, select "Delete Volume".

Delete esd-usb partition

Step 3. Click "OK" to confirm.

2. Restore All Lost Drive Files with EaseUS File Recovery Software

A practical and secure method is to restore all lost files from the ESD-USB device with a reliable file recovery software. 

You can either search online to find such a tool or directly download EaseUS file recovery software - Data Recovery Wizard for help.

EaseUS Data Recovery Wizard can thoroughly scan all existing and lost files from the ESD-USB drive and restore everything on the device in only three steps.

Step 1. Select a location to scan.

Launch EaseUS Data Recovery Wizard, hover on the partition, external hard drive, USB, or memory card where you lost data, and then click "Scan".

select a location and click scan

Step 2. Select files to recover.

Wait until the scanning completes. Afterward, choose the files you want to recover. To locate the data faster, use the search bar or filter to search for specific files. To check a file, double-click the item to preview its content.

Choose files to recover

Step 3. Recover lost data.

Click "Recover" and choose a location on another drive to save the files.

Recover lost data
Warning
Don't save the recovered files to the current hard drive or external hard drive before making it usable again.
In the next part, you will see the complete solutions of restoring ESD-USB hard drive or external hard drive to full capacity.

Part 2. Undo ESD-USB, Restore Hard Drive/External Hard Drive to Full Capacity 

IMPORTANT: If you directly jump to this part, please delete the existing ESD-USB partition on your device first by using Disk Management.

After following Part 1, the ESD-USB partition is no longer on your hard drive or external hard drive. The device now should be an unallocated drive.

Therefore, you can create a new partition on the device to undo ESD-USB. By doing so, you will be able to restore your HDD or external hard drive to full capacity:

Step 1. Enter Disk Management and right-click on the unallocated space, select "New Simple Volume". 

Create New Partition on target drive.

Step 2. Enter the New Simple Volume Wizard, click "Next" to continue.

Step 3. Set the new partition size, file system - NTFS, and partition label on your hard drive or external hard drive.

Create new partition on esd-usb drive.

Step 4. When you finish all the settings, click "Finish" to complete the process.

Finish creating partition.

Note: If you need to create more than one partitions on your hard drive, remember that you need to allocate the unused space properly and repeat the process once again.

After this, you can reuse your hard drive or external hard drive to store relevant data and files again.

However, this is not the end yet. Besides, knowing the ways of protecting your data and preventing hard drive or external hard drive from being converted to ESD-USB mistakenly. In the next part, some reliable tips will assist you in resolving this issue with ease.

Part 3. Bonus Tips to Protect HDD/External Hard Drive with Data

Knowing the ways of protecting your data and external or internal hard drive will be highly helpful, especially in the prevention of data loss.

Here are some reliable tips for you to apply and take action to protect your valuable files and storage device immediately:

1. Create Data Backup and Save to Anther Device or Cloud Drive

It's always a good habit of creating a full backup of your valuable files, data to another hard drive or external storage device. When data get lost on your device, you can always bring them back from the backup.

A time-saving and effective method is to apply reliable file backup software for help. EaseUS Todo Backup can back up files, hard disk partition, and even Windows OS to another hard drive, external storage device, or even cloud drive for you in 3 simple steps.

Step 1. Launch EaseUS Todo Backup software and then choose "File Backup", "Disk/partition Backup" or "System Backup" for different backup purpose.

Step 2. Choose the system, disk partition, files or apps that you want to back up. Then select a destination where you want to store the backup file.

Step 3. Click "Proceed" to start the data backup process.

back up data with easeus todo backup

2. Run Antivirus Software to Clear Virus, Malware, etc. Regularly

You should also apply antivirus software for help. With reliable antivirus software, you can clear and remove the existing or hibernating virus, malware, etc., from your hard drive or external storage devices. 
Turning on Microsoft Defender is relatively not enough and here is a list of reliable antivirus software for you to try:

  • Norton Security 360/Norton Antivirus Plus
  • McAfee
  • AVG
  • Avira
  • Avast
  • Malwarebytes
  • Kaspersky Anti-Virus

No matter which software you decide to use, once you finish the installation, run the software immediately. It will thoroughly scan your computer, external storage devices, and remove all potential virus. 

3. Encrypt and Lock Hard Drive/External Hard Drive with Password

Another way to keep your device and data safe is to encrypt or lock your hard drive, external hard drive with a password.

If you are a Windows 10/8/7 user, you can enable BitLocker on your device with the below steps:

Step 1. Open Control Panel and click "BitLocker Drive Encryption".

Step 2. Locate and expand the drive or external hard drive that you want to lock, and select "Turn on BitLocker". 

Lock and protect hard drive.

Step 3. Set a password to lock the selected hard drive or external hard drive and click "Next" to continue. 

Turn on BitLocker on storage device.

Step 4. Select a way to save your password to your Microsoft account, to a USB drive, to a file or print the recovery key and click "Next" to confirm.

Step 5. Choose how much you of your drive to encrypt and click "Next" to continue - 

  • Encrypt used disk space only (faster and best for new PCs and drives)
  • Encrypt entire drive (slower but best for PCs and drives already in use).

Set lock mode on storage device.

Step 6. Choose which encryption mode to use and click "Next" to continue -

  • New encryption mode (best for fixed drives on this device)
  • Compatible mode (best for drives that can be moved from this device).

Choose encryption mode for devices.

Step 7. Click "Start encrypting" and wait for the process to finish.

Set password and lock hard drive.

Besides, some reliable programs can lock and encrypt your drive with a password. By doing so, no one can directly access your data, hard drive, or external hard drive without a password.

Tip
When you need to access and use your files on the locked hard drive or external hard drive, here is how to unlock the device: 
1. Keep your hard drive or external hard drive connected to your PC.
2. Double-click on your drive and enter the password which you've set for the BitLocker encryption.
3. After this, you can open your device and use the data securely again.

The Bottom Line

On this page, we've provided you with complete solutions in Part 1 and Part 2. By using data recovery software first and create new partitions next, you can revert the ESD-USB drive to normal without data loss.

By applying the provided tips in Part 3, you will also gain a complete plan to protect your data from being overwritten or prevent storage devices from being converted to ESD-USB by mistake.   

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Updated by Daisy

Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles.

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Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 7 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions about Windows & Mac data recovery, file/system backup and recovery, partition management and iOS/Android data recovery.

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