How to recover data from Seagate external hard disk?

Recovering data from a Seagate external hard disk can be a daunting task, especially if you’re unfamiliar with the process. However, with the right tools and knowledge, you can often recover your lost or inaccessible files. 

1. Understanding the Problem

Before diving into data recovery, it’s essential to understand why your Seagate external hard disk might have failed. Common issues include:

Physical Damage: Dropping the hard disk, exposure to water, or physical wear and tear can cause internal damage.

Logical Corruption: This includes file system corruption, accidental deletion, formatting, or malware attacks.

Mechanical Failure: Problems like clicking sounds may indicate issues with the internal components, such as the read/write heads.

Firmware Issues: Firmware corruption can make the drive inaccessible, though the data remains intact.

Understanding the root cause can help you determine the appropriate recovery method.

2. Initial Troubleshooting

Before using any software, try these basic troubleshooting steps:

Check the Connections: Ensure that the USB cable is properly connected to both the hard disk and the computer. Try a different cable or port to rule out connection issues.

Test on Another Computer: Sometimes, the issue may be with your computer. Connect the Seagate drive to another machine to see if it’s recognized.

Listen for Unusual Sounds: If the drive is making clicking or grinding noises, stop using it immediately. These sounds often indicate mechanical failure, and continued use could worsen the damage.

Check Disk Management: On Windows, go to Disk Management (Right-click on ‘This PC’ > ‘Manage’ > ‘Disk Management’) to see if the drive is detected. On macOS, use Disk Utility. If the drive appears but is unallocated or shows errors, there might be a logical issue.

3. Using Built-in Tools for Data Recovery

If your Seagate external hard disk is detected but not accessible, you can try using built-in tools:

CHKDSK on Windows: This command-line tool can fix file system errors.

Open Command Prompt as an administrator.

Type chkdsk X: /f /r (replace “X” with your drive letter).

Press Enter and let the tool scan and attempt to fix errors.

Disk Utility on macOS: Use the ‘First Aid’ feature to repair the drive.

Open Disk Utility.

Select the external drive and click on ‘First Aid’.

Follow the prompts to fix any detected issues.

4. Using Data Recovery Software

If the built-in tools fail or the data is still inaccessible, specialized data recovery software is your next option. Here’s a step-by-step guide:

Step 1: Choose the Right Software

Several reputable data recovery programs are available, such as:

Panda Assistant: Known for its user-friendly interface and high recovery rate.

Seagate File Recovery Software: Designed specifically for Seagate drives, it offers a high success rate.

Recuva: A free option that works well for basic recovery tasks.

EaseUS Data Recovery Wizard: Popular for its ease of use and effectiveness.

Ensure the software is compatible with your operating system and the file types you need to recover.

Step 2: Install the Software

Download and install the software on a different drive or computer to avoid overwriting the lost data.

Step 3: Run a Scan

Launch the software and select your Seagate external hard disk. Most programs offer two types of scans:

Quick Scan: Fast but less thorough, useful for recently deleted files.

Deep Scan: More comprehensive, scanning the entire disk for recoverable data.

Choose the appropriate scan based on your situation and let the software do its work. Deep scans can take several hours, depending on the drive’s size.

Step 4: Preview and Recover

Once the scan is complete, the software will display a list of recoverable files. Most programs allow you to preview files before recovery.

Select the files you want to recover.

Choose a different location to save the recovered data, preferably not on the same Seagate drive to avoid overwriting.

5. Professional Data Recovery Services

If software recovery fails or the drive has physical damage, professional data recovery services may be your only option. Companies like Seagate’s own data recovery service, or specialized firms like Ontrack and DriveSavers, offer expert recovery services.

When to Consider Professional Help

Physical Damage: If the drive has been physically damaged, attempting to recover data yourself could make things worse.

Critical Data: If the data is irreplaceable or highly valuable, professional services offer the best chance of recovery.

Complex Issues: Firmware corruption, severe logical damage, or RAID configurations may require specialized equipment and expertise.

Choosing a Service

Reputation: Look for companies with a strong track record and positive reviews.

Certifications: Ensure the service has relevant certifications, like ISO 9001. to guarantee quality.

Cost: Professional recovery can be expensive, ranging from hundreds to thousands of dollars. Get a quote before proceeding.

The Recovery Process

Evaluation: The service will evaluate the drive and provide a quote and recovery plan.

Recovery: Technicians will use specialized tools to recover the data.

Delivery: Recovered data is typically returned on a new external drive or via secure download.

6. Preventing Future Data Loss

After successfully recovering your data, take steps to prevent future loss:

Regular Backups: Use cloud services, external drives, or network-attached storage (NAS) for regular backups. Automated backup software can make this process effortless.

Handle with Care: Protect your external hard disk from physical damage by using protective cases and avoiding rough handling.

Monitor Drive Health: Use tools like CrystalDiskInfo or Seagate’s own SeaTools to regularly check your drive’s health and address issues early.

Use Reliable Software: When managing your data, ensure you’re using reliable software to avoid accidental deletion or corruption.

Each situation is unique, and the success of data recovery depends on the nature of the problem and the methods used. By following these steps and taking preventive measures, you can maximize your chances of recovering lost data and protect yourself from future data loss.