How to Recover Accidentally Deleted Hard Drive While Installing the Windows
All the data is gone from one of my hard drives when I installed the Windows! With the message 'You need to format the drive before using it,' Windows File Explorer refused to let me access the data. How can I get my HDD's data back?
Best Answered by
Jaden· Answered on Dec 12, 2025
A useful program for recovering data from missing HDD partitions is EaseUS Data Recovery Wizard. All of your deleted HDD partitions' data, including emails, documents, audio, and video files, will be recovered with the use of this tool. This utility will assist you in recovering permanently deleted files, whether it was stored on an HDD, SSD, external hard drive, memory card, or SD card.
Step 1. Start the EaseUS Data Recovery Wizard for Mac, then select the hard drive, SSD, SD card, USB flash drive, or TF card where the lost data was stored. To begin scanning, click "Search for lost files."
Step 2. The program will automatically check MacBook/iMac for lost data. After the scan is finished, use the "Type" and "Path" options to narrow down the data you wish to see.
Step 3. To preview a file, double-click on it. Then, select "Recover" to transfer the lost data to another location.
The reason why your external hard drive is lost while installing Windows may be due to flaws in the Windows installation process. Knowing what to do after removing partitions on your Windows hard drive or external storage devices will help you effectively prevent data loss. Here are some suggestions about what you ought to do:
1. You should immediately stop using a partition after it has been deleted or lost from a hard drive or portable storage device. Do not create a new partition or save any data on the device.
2. Some users may be able to recover lost partitions or data using CMD commands. The only use of the commands "list disk" and "select disk #" is to recover a deleted drive letter.
Use EaseUS Data Recovery Wizard to recover deleted or lost files easily and quickly.
Tutorials on how to recover lost, deleted, or formatted data from HDD, SSD, USB, SD card, or other storage media on Windows and Mac.
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