Accidentally Deleted USB Partition? How to Recover It

If you accidentally deleted a USB partition, do not create a new volume merely to make it appear in File Explorer again. The missing drive letter is a consequence of the deleted volume. Replacing that volume does not recover its previous contents.

Stop using the drive and learn what happened after deletion. A flash drive left untouched presents a different recovery situation from one already formatted or used to create installation media.

Your next task is to identify the original partition, attempt restoration where appropriate, and verify the recovered files before reusing the drive. For wider partition recovery, see our guide on recovering deleted partition with data.

Check What Happened After Deletion

The operation sequence matters more than how empty the USB drive looks now.

If you stopped after deleting the volume, leave the unallocated space untouched and proceed with recovery.  If you ran diskpart, go to undoing DiskPart Clean.

Confirm That the Flash Drive Is Accessible

Connect the USB drive to a reliable USB port. Then, open Disk Management and locate it by total capacity and available model information.

Unallocated space may appear where the deleted volume used to be. Record the current layout before making changes. 

• Does the physical drive report a wrong capacity?
• Is the missing space unallocated?
• Are there any other partitions?
• Was a new volume created after deletion?
• Does the drive stay connected during access?

Do not delete a surviving partition to make the layout match a recovery example. It may contain needed files or help identify the missing volume’s position.

If the USB flash drive reports No Media, zero capacity, or repeated disconnections, reassess detection first. Recovery software needs access to the storage sectors.

How to Restore Accidentally Deleted USB Partition

AOMEI FastRecovery is Windows data recovery software with a Partition Recovery feature that restores a missing partition and the data inside it. It provides users with two scanning methods: 

• Fast Search: It is recommended because it can find deleted or lost partitions quickly.
• Full Search: It will scan the disk sector by sector and generally takes longer. Only use this when Fast Search can't. 

Download and install it on another physical drive, not the USB drive. Meanwhile, do not add files to flash drive or create a new volume with its unallocated space as these operations may ovewrite data on the USB drive.

AOMEI FastRecovery

A reliable Windows data recovery software that easily recovers deleted or lost partition or retrieve files. 

Download Freeware Windows 11/10/8/7/Server

Step 1. Open AOMEI FastRecovery, select Disk Data Recovery > Partition Recovery.

Step 2. Identify the USB drive using its model, capacity, disk number, and displayed layout. Select the entire physical drive and click Next. 

Step 3. Choose Fast Search to find deleted or lost partition quickly. If not, click Back, select Full Search instead. Full Search scans the disk more extensively and generally takes longer.

Step 4. Compare the detected file system, capacity, sector boundaries, and Primary/Logical flag with the original layout. If several partitions are found, compare their sizes and locations with the partition you deleted.

• Partition: The name or identifier assigned to the detected partition.
• File System: The detected file system type, such as NTFS, FAT32, FAT16, and exFAT.
• Capacity: The size of the partition. Compare it with the size you remember.
• Start Sector and End Sector: The boundaries of the partition on the disk, which confirm where it used to be.
• Flag: The partition type, such as Primary or Logical.

Step 4. Select the deleted USB partition and click Proceed. Wait until the process complete. 

After recovery finishes, check the volume in Windows Explorer. Then open the folders and files inside to confirm everything is there.

In addition, the software can recoverdeleted NTFS partition and provides extra file-system checks.

Verify the Content You Needed to Recover

Begin with the files you want to recover rather than browsing the entire drive at random.

A folder containing familiar names is useful, but it does not prove that every file is complete.

In addition, copy data away from USB drive before deleting, renaming, or reorganizing anything on it. Another folder on the same flash drive is not a backup.

If important files remain missing, avoid new writes even if the volume is now accessible. 

Why a New Volume Is Not an Undo Button

The New Simple Volume wizard prepares a volume in the space you select. It does not restore the deleted partition or its data.

Reusing the same label, drive letter, or approximate capacity does not reconstruct the previous file system. Those visible details do not describe every structure needed to access the files.

If you already created a new volume, leave it unchanged. Record whether it was formatted and whether anything was written afterward. Deleting and recreating it again introduces another change without establishing a benefit.

FAQs

Can I Reuse the deleted USB drive?

Yes, you can resuse this USB drive after recovery. First, check your important files and copy them to another physical drive. Only repartition or format the USB drive if necessary.

Can the Recycle Bin restore the partition?

No. A deleted USB partition is not retained in the Recycle Bin as a restorable item.

Will the old drive letter bring the files back?

No. A drive letter identifies an accessible volume; it does not reconstruct its previous partition or contents.

Conclusion

An accidentally deleted USB partition is a reason to pause before preparing the flash drive again. Restore the original volume before reusing the space, then check the recovered files and copy important data to another physical drive.