How to Recover Data from Lost Partition


Summary: This article describes how to recover data from lost partition with Bitwar Data Recovery Software and what you should do to prevent partition loss.

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We’ve known no matter the hard drive, or external hard drive from Windows 10,8,7 can be divided into several partitions, such as C drive, D drive, etc.

The question is what if lose the partition and will the data on the partition also become lost? To mind you clearly why hard drive partition loss happens,

We list eight primary reasons will give you reference:

Primary Reasons for Causing Hard Drive Partition Loss

Partition table loss or corrupted

A partition table is a table describes how many partitions you have on the hard drive. This means, if the partition table lost or corrupted, it leads to partition loss and the data on it become inaccessible.

Improper Partition Deletion

At times, when you are trying to make some changes on hard drive partition from Disk Management, you may delete the partition accidentally. This can be a big mistake to cause partition loss.

Partition Resizing Procedure Accidentally Stopped

Partition resizing is quite a technical operation should acquire knowledgeable skills. Because when partition resizing gets interrupted or some unknown reason cause the procedure to stop accidentally. Then you must lose the partition.

Bad Sectors on Hard Drive

If there are too many bad sectors on a partition, it will cause the partition loss and makes the data inaccessible or unreadable.

Illogical System Shutdown

We know that shut down the computer should click the shutdown button instead of turning off the power supply directly. What if the system shutdown illogically due to power failure, Bios upgrade or improper installation of programs? These reasons are also killers of partition loss.

OS or File system corruption

At times, the operating system or file system may get corrupted due to improper operation or the above-explained reasons; then the partition may get loss unexpectedly.

Virus Attack or Trojan Infection

To be frankly, virus attack or Trojan infection is one of the most reason can cause partition loss. The virus or Trojan makers will try to update the codes every day to avoid being detected by anti-virus tool.

As we have known the Bitcoin virus last several months, it’s a ransomware asked people to transfer the Bitcoin to unlock the virus-encrypted documents.

Run CHKDSK after the Disk Defragmentation

When you are operating the computer to store or delete files day and day, the hard drive may contain too many file fragmentation; then it’s an excellent way to run Disk Defragmentation to make the data organized contiguously.

However, if you run CHKDSK after the Disk Defragmentation, you may find the partition loss due to the corrupted file structure.

To prevent partition loss or further data loss, you’ll have to operate very carefully from the computer while you are trying to run CHKDSK, partition resizing or deletion, etc. However, if you have already lost the partition, what should we do to recover data from the lost partition?

You can rely on Bitwar Data Recovery, which is a free data recovery software you can use to recover data from inaccessible partition.

Steps to Recover Data from Lost Partitions on Windows 10,8,7

Step 1. Download Bitwar Data Recovery Software and then install

You can download the data recovery program from our official website or by clicking below download button. After downloading, double-click the Bitwarsetup.exe to launch the installation. If you are using Mac computer, Laptop, you can download Bitwar Data Recovery for Mac.

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Step2. Launch the data recovery tool and then start to scan the lost partition.

Turn to Standard Mode by clicking the bottom button, here on this page; the software offers six common recovery mode for users to easily select. We need to choose Lost Partition Recovery and click Deep Scan in the next screen.

The program will start to scan the hard drive and list all of the existing partitions those have been deleted intentionally or unintentionally.

Step 3. Choose the partition and then select the file types need to scan

After detecting your lost partition, click next to continue and then select the exact file types you want to scan, if you just lost data of document or photo, tick document or photo type, it’s an efficient way to shorten the scan time.

Step 4. Start to Scan and choose the file to preview before you decide to recover

Once you click the Scan button, Bitwar Data Recovery will start to scan all of the data on the inaccessible partition; you need to wait for the procedure to finish and then double-click the file to preview, it’s an important step to check whether the files are having good conditions for recovery.

Preview and Recovery

Step 5. Save the files to a different partition or an external storage device

Please note that you should save the files to a different partition or an external storage device in order to prevent data overwrites.


A Windows-based or Mac-based computer is a useful tool for storing vital documents or photos; however, an improper operation may lead partition loss, and you’ll have no chance to access the lost partition to get back your precious data without knowing the best free data recovery software – Bitwar Data Recovery.

Thus, keep Bitwar Data Recovery install on your computer and once run into one of the situations mentioned above, launch the software as soon as possible to recover data from lost partition.

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Yep, lost so many information that I stopped doing this, but I had to last week so I could fix some windows error, and now I couldn’t access to all my files, used Bitwar and I got all back, then you! But never using a partition again tho, hehe!