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How to Recover a Deleted Partition in Windows 7, 10, and 11

Accidentally deleting a partition is a common problem for many Windows users. A deleted partition may suddenly disappear from Windows Explorer, making it look like all files stored on the drive have been lost.

Fortunately, in most cases the data is still physically present on the disk. Only the partition information in the partition table has been removed. With the right recovery tools, you can restore the partition or recover the files directly from the disk.

This guide explains how deleted partitions occur, what happens to the data, and how to recover a deleted partition in Windows using professional recovery tools.

Recovery Overview

Deleted Partition Recovery: What to Do First

If a partition was accidentally deleted, do not create a new partition or save new files to the same disk. In many cases, the partition can still be restored, or the files can be recovered directly.

Important: Stop using the affected disk immediately. New writes may overwrite the lost partition data and reduce recovery success.

Partition Deleted

The partition disappears from Windows Explorer and may show as Unallocated Space in Disk Management.

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Choose Recovery Method

Use Lost Partition Recovery to restore the partition, or use Data Recovery to recover files directly.

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Scan the Disk

Scan the affected disk for lost partition entries or recoverable files, depending on the selected method.

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Restore or Recover

Restore the partition structure or save the recovered files to another safe disk location.

Recommended First

Method 1: Restore the Partition

Best when the partition was deleted but the disk structure is still recoverable.

Tool: Lazesoft Disk Image & Clone
Path: Repair Tools → Lost Partition Recovery
Result: Restores the partition entry
Best for: Getting the whole partition back quickly

Alternative

Method 2: Recover Files Only

Best when the partition cannot be restored or the file system is badly damaged.

Tool: Lazesoft Data Recovery Home Edition
Action: Scan the disk and recover files
Result: Saves documents, photos, videos, and more
Best for: Recovering important files directly

Which Recovery Option Should You Use?

Use Lost Partition Recovery

If you want to restore the original partition and make it visible in Windows again.

Use Data Recovery

If the partition cannot be rebuilt, but you still need to recover files from the disk.

What Happens When a Partition Is Deleted?

When a partition is deleted in Windows Disk Management or by a disk utility, the operating system removes the partition entry from the partition table. However, the actual data blocks remain on the disk until they are overwritten.

Deleted partition showing as unallocated space in Windows Disk Management — Example: After a partition is deleted, Windows Disk Management shows the space as **Unallocated**.

Because of this, deleted partitions are often recoverable as long as you avoid writing new data to the disk.

Common symptoms of a deleted partition include:

The drive letter disappears in Windows Explorer
The disk shows Unallocated Space in Disk Management
The partition suddenly becomes inaccessible
The disk capacity appears incorrect

If you notice these symptoms, stop using the disk immediately to avoid overwriting the lost partition data.

Common Causes of Deleted Partitions

Partitions can be deleted for many reasons, including human error or system issues. Understanding the cause can help determine the best recovery approach.

Accidental deletion in Windows Disk Management
Incorrect disk operations using partition tools
Operating system installation errors
Disk cloning mistakes
Partition table corruption
Virus or malware damage
Power failure during disk operations

In most of these situations, the partition structure is lost but the data still exists on the disk surface.

Can a Deleted Partition Be Recovered?

Yes. In many cases, a deleted partition can be fully restored if the partition table entry can be reconstructed.

There are two primary recovery methods:

Partition recovery – restore the deleted partition entry so the drive appears again
File recovery – scan the disk and recover individual files

The first method is usually faster and restores the entire partition structure, while the second method works even when the partition cannot be rebuilt.

Method 1: Recover Deleted Partition Using Lazesoft Recovery Suite

Lazesoft Recovery Suite includes a powerful partition recovery tool that can scan the disk and rebuild deleted partition entries.

This method restores the partition so that all files become accessible again.

Lazesoft Recovery Suite interface showing lost partition recovery tool — Open the Lost Partition Recovery tool from the Lazesoft Recovery Suite interface.

Steps to Recover a Deleted Partition

Open Lazesoft Recovery Suite
Select Disk Image & Clone
Click Repair Tools
Select Lost Partition Recovery
Select the disk where the partition was deleted

Select disk to search for deleted partitions — Select the disk containing the deleted partition before starting the scan.

Start the disk scan

Scanning disk for deleted partitions using Lazesoft recovery tool — Lazesoft scans the disk surface to locate lost partition entries.

Choose the detected partition
Click Save Partition to restore it

Recovered partition detected and ready to restore — Select the detected partition and click **Recover Selected Partition** to restore it.

After the partition is restored, it should reappear in Windows Explorer with all files intact.

Video Guide: Recover Deleted Partition on GPT Disk

The following video demonstrates how to recover a deleted partition on a GPT disk in Windows 10 or Windows 11 using Lazesoft Recovery Suite. Watch the tutorial to see the complete recovery process step by step.

Method 2: Recover Files Using Lazesoft Data Recovery Home Edition

If the deleted partition cannot be reconstructed, you can still recover files directly from the disk.

Lazesoft Data Recovery Home Edition performs a deep scan of the disk and locates recoverable files even when the partition structure is missing.

Steps to Recover Files from a Deleted Partition

Install and launch Lazesoft Data Recovery Home Edition
Select the disk where the deleted partition existed
Run a Deep Scan
Preview the recovered files
Select the files you want to recover
Save them to another disk

This method allows you to recover documents, photos, videos, and other important files even if the original partition cannot be restored.

Important Tips for Successful Partition Recovery

To maximize the chances of successful recovery, follow these best practices:

Stop using the disk immediately after discovering the deleted partition
Do not create new partitions on the affected disk
Avoid formatting the unallocated space
Recover data to a different disk
Use professional recovery tools rather than basic utilities

Writing new data to the disk may overwrite the original partition data and make recovery impossible.

Boot the Computer Using Lazesoft Boot Disk

If Windows cannot start normally, you can boot the computer using the Lazesoft Boot Disk. This allows you to start a recovery environment and use tools such as Data Recovery, Disk Image & Clone, and Windows Repair even when the operating system will not boot.

Use Lazesoft Boot Disk to boot computer when Windows cannot start — If Windows cannot boot, start the computer from a Lazesoft Boot Disk USB drive. Then launch Lazesoft Recovery Suite tools to repair Windows, recover data, or restore system images.

Preventing Partition Loss in the Future

Although partition recovery tools are powerful, prevention is always the best strategy.

Consider the following precautions:

Create regular system and disk backups
Use reliable disk management software
Verify disk operations before applying changes
Avoid interrupting disk partition operations
Use surge protection to prevent power interruptions

Maintaining regular backups ensures that even in worst-case scenarios, your important data can be restored quickly.

Conclusion

Deleting a partition does not necessarily mean the data is permanently lost. In many cases, the partition can be restored or the files can be recovered using specialized recovery tools.

Lazesoft Recovery Suite provides professional partition recovery capabilities that allow users to scan disks, rebuild lost partition tables, and restore deleted partitions safely.

If the partition cannot be restored, Lazesoft Data Recovery Home Edition can still recover files directly from the disk.

By acting quickly and using the right recovery tools, you can successfully recover deleted partitions and protect your important data.

Lazesoft Recovery Suite is easy to use, powerful boot disk design to Recover Data, Recover crashed Windows System, Recover Windows Password, Clone or Backup Disk, etc.

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