How to recover data from damaged external hard drive？

Recovering data from a damaged external hard drive can be a complex process, and the specific method depends on the type and extent of the damage.

Preliminary Checks

Visual Inspection: Examine the external hard drive for any visible signs of physical damage, such as cracks, dents, or scratches on the casing. Check the cable and connector for any signs of wear, breakage, or corrosion. If the hard drive has been dropped or subjected to physical impact, there may be internal damage.

Connection and Power Check: Try connecting the external hard drive to different USB ports on your computer. Sometimes, a faulty USB port can cause problems. If the hard drive requires an external power source, make sure the power adapter is working properly and connected securely. Listen carefully when you connect the hard drive. If you hear unusual clicking, grinding, or buzzing sounds, it could indicate a serious mechanical problem.

Software Based Recovery Methods

Use Built-in Tools:

CHKDSK (Windows): For external hard drives formatted with NTFS, FAT32. or exFAT file systems, the CHKDSK (Check Disk) tool can be used. Open the Command Prompt as an administrator and enter the command chkdsk X: /f, where “X” is the drive letter of your external hard drive. This command checks the file system for errors and attempts to fix them.

Disk Utility (Mac): On a Mac, you can use Disk Utility to repair disk errors. Open Disk Utility, select the external hard drive in the list, and click the “First Aid” button. Disk Utility will scan for and repair any file system issues.

Third-Party Recovery Software:

Panda Assistant uses advanced scanning algorithms to deeply search for lost data. It can quickly identify and recover files that have been accidentally deleted, lost due to formatting, or damaged by system crashes. The software also allows users to preview the recoverable data before actually restoring it, enabling them to select only the necessary files and save time and storage space.

However, like any data recovery software, its success depends on the extent of data damage and the condition of the storage device. In cases of severe physical damage to the storage medium, its effectiveness may be limited. Overall, it’s a useful tool for basic to moderate data recovery needs.

Low-Level Formatting: Low-level formatting is a more extreme measure that should be used with caution. It erases all data on the hard drive and restores it to its original factory state. This method is usually only recommended if other recovery methods have failed and you are unable to access the data.

Professional Data Recovery Services

When to Consider Professional Services: If the above methods do not work or if you suspect that there is serious physical damage to the hard drive, it is advisable to consider professional data recovery services. Some situations that may require professional help include:

The hard drive makes unusual noises, indicating mechanical problems.

There is visible physical damage to the hard drive or its components.

The data is extremely valuable and critical, and you cannot afford to risk further damage or data loss.

Choosing a Professional Service: When selecting a professional data recovery service, it is important to do your research and choose a reputable company. Look for companies with experienced technicians, state-of-the-art cleanroom facilities, and a proven track record of successful data recoveries.