How to Repair External Hard Drive Yourself Before Looking for Repair?

In this article, we'll show you how to fix a corrupted external hard drive without formatting and how to recover files from external hard drive in simple steps.

Oct 15,2019 • Filed to: Answer Hard Drive Problems • Proven solutions

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Seagate external hard drive not showing up and detected in my windows 10 computer

There are several times when our system works in a strange manner, making us wonder the consequences, the major of them being data loss. To overcome this issue, hard drive was widely used by people for backing up their data in a secure place. However, hard drive being an electronic device itself is prone to physical compromise that may result in data loss that might be impossible to recover until you search for ways to do so.

Can an External hard drive Be Repaired?

This question can puzzle you. But here, you can get the answer. This article will walk you through how to recover data from an external hard drive and repair external hard drive not working.

Part 1 How to Repair External Hard Disk Not Detected?

If your external hard drive isn't recognized, you can take the following different solutions and steps to get the external hard disk error fixed.

Way 1 Check IDE / SATA to USB Connection:

  1. Ground Yourself:
    It is important that before you open up any hardware, make sure you ground yourself for obvious reasons that include being shock resistant.
  2. Install the Drive:
    Use an IDE / SATA data cable and a power connector to install the hard drive internally on your system. You can also try connecting the drive externally via USB.
  3. Conclude the observations:
    The above two steps will help you determine whether or not enclosure was the reason that you were not able to recognize your hard drive in the system. By this reconnecting technique, you will figure out if you need to narrow down the issue further.

If the external hard disk enclosure is not the issue, you need to dig further to find out the culprit by following up another series of steps.


Way 2 Check the sound the hard drive is making:

Listen up to the sound that your connected hard drive is making. Are you able to hear it? If it is spinning you'll possibly know the sound.

If your drive is spinning but the system doesn't recognize your hard drive, follow the next series of steps to manually check the settings in your computer.


Way 3 Enter into BIOS:

Press the trigger key that could be [DEL], [ESC], [F2], [F10] or [F12], depending upon your system. Check out the list of the types of devices that are connected with your system. You can fetch this information under the BOOT menu or Advance menu of the system.

How to Repair External Hard Drive

On Windows: If you are working on windows, here are the steps to check the devices connected:

  1. Click the key combination [Windows] + [R] to launch "Run".
  2. Open the Command Prompt by inputting cmd in the field, and then hit Enter.
  3. Type "diskpart" and press Enter to launch the diskpart.exe.
  4. Type list volume in the diskpart menu to see the connected drive.

Way 4 Fix external hard drive by formatting

You can also directly use the diskpart.exe to repair external hard drive not detected. Here are the steps:

  1. Once the diskpart.exe is launched, type "select disk 0" and press Enter.
  2. Type "clean" and hit Enter. This input will entirely erase all data on the external hard drive.
  3. Input "create partition primary" and also the same, Enter.
  4. Finally, click the "x" icon at the upper right corner.

Notes: 0 means the drive letter of the external hard disk to be repaired. It can be also 1 or 2.

As we can see, to learn how to repair an external hard drive is handy as it helps in avoiding unprecedented circumstances pertaining to your data. For the ones keen to repair an external hard drive, we have multiple options, each catering to different issues and users. Therefore, you no longer need to worry if your Seagate or WD external hard drive not recognized.


Part 2 How to Recover Files from External Hard Drive Without Formatting

1. Recover External Hard Drive with Recoverit

Corrupted external hard drive can always bring about data loss, even if sometimes you repair it successfully. If you lost data on your external hard drive unfortunately, don't worry! You still have the chance to get lost data back. To recover files from external hard drive, you can have a try Recoverit Data Recovery.

This external hard drive recovery software can help you recover data from an external hard drive no matter it is corrupted, dead, crashed, damaged or not detected. Before external hard drive data recovery, Recoverit also allows you to preview the scanned files to make a selective recovery.

hard drive data recovery

Your Safe & Reliable External Hard Drive Recovery Software

  • Recover lost or deleted files, photos, audio, music, emails from fixed external hard drive effectively, safely and completely.
  • Supports data recovery from recycle bin, hard drive, memory card, flash drive, digital camera and camcorders.
  • Supports to recover data for sudden deletion, formatting, hard drive corruption, virus attack, system crash under different situations.
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS X (Mac OS X 10.6, 10.7 and 10.8, 10.9, 10.10 Yosemite, 10.10, 10.11 El Capitan, 10.12 Sierra) on iMac, MacBook, Mac Pro etc.

2. Watch the Video for External Hard Drive Recovery

This video can instruct you how to recover files from external hard drive without formatting. Just take one minute, and you can get the surefire way to retrieve data from hard disk on Windows or Mac.

3. How to Retrieve Data from External Hard Drive

To start external hard drive recovery, you should firstly get Recoverit Data Recovery free downloaded and installed on your computer. After the installation, connect the external hard drive to your Windows computer and then follow the next steps to regain the lost data from external hard drive.

Mac users can download the Mac version of Recoverit Data Recovery and turn to this page: How to Recover Files from External Hard Drive on Mac.
  1. Select “External Devices Recovery” mode
  2. To recover files from corrupted external hard drive, please select the "External Devices Recovery" mode to get started.

    external hard drive data recovery

  3. Select external hard drive
  4. Among all the hard drives which have been shown in the screen, please select the corrupted external hard drive and click “Start” button to move forward.

    Note: Please ensure that the selected external hard drive has been connected and can be recognized by computer.

    external hard drive recovery

  5. Scan external hard drive
  6. Recoverit will start a quick scan on the undetected external hard drive. If the quick scan can't help you get the lost data, turn to the “All-around Recovery” mode. It can search for more files for you on the external disk.

    scan external hard drive for recovery

  7. Recover data from external hard drive
  8. Once the scan finishes, you can preview all the found data, select the wanted ones and click “Recover” to restore the files from external disk.

    retrieve data from external hard drive


Seagate external hard drive still not working? How to fix Seagate external hard drive?

Part 3 How to Fix External Hard Drive with Error Messages?

While using your external hard drive, there has been observed an error message, which asks the user to format the hard drive. In these cases, it is recommended not to follow the instructions blindly and do some researches on your own. Some of the error messages are:

While accessing the file:

How to Repair External Hard Drive?

While attempting to run chkdsk:

run chkdsk

Commonly, a user will not able to understand what a RAW file system means, therefore, they may follow the critical step of formatting the data to solve the issue. However, if you understand the requirements of the system, you might solve without the loss of any data. A RAW file system is a file that the Windows cannot recognize. As the result, available drivers could not mount the file system to a drive. Maybe, the filesystem type or location on the disk are corrupted. When the Windows are unable to find these files, it prompts the user to format the data.

Wonder how to recover files from RAW file system? This page can be your referrence: How to Recover Data from RAW SD Card.

This usually happens because many users disconnect their hard drives without choosing "Safely Remove Hardware?" option. Here is a way to fix this issue without formatting your hard drive.

1. Use CMD for external hard disk check

Generally speaking, the external hard drive errors can be repaired using CMD. What you should note is that regarding to "chkdsk f: /f ", the first f should be replaced with the drive letter of the external hard drive.


2. Access S.M.A.R.T Data

If there is any physical damage to your hard disk, S.M.A.R.T Data will help you quickly figuring out the problems that are being faced. S.M.A.R.T stands for Self-Monitoring, Analysis and Reporting Technology and is used to alert the impending failure of the drive. This technology gives the user a deadline that they require to save the data.

Functions of S.M.A.R.T:

  • S.M.A.R.T helps the user to retrieve the data from the drive.
  • Save your data and prevents the user from attempting absurd mistakes that makes the situations worse.
  • S.M.A.R.T Data also helps in determining whether the damage is physical or logical. In case of physical damage, save the important data at another safe location and replace your hard drive. However, if the damage is logical, you can trust the drive and use Recoverit Data Recovery to retrieve corrupted files after the repair.

If at any point of time, your hard drive reports that S.M.A.R.T health is not able to access the search or in any ways, FAILED, the primary step one must take is to save the data immediately as the drive is of no longer use.


3. Youtube Video Tutorial on How to Repair External Hard Drive

Follow these steps if you are wondering how to fix external hard drive. However, if your problem is still not solved, there are chances that the PCB of your external hard drive is damaged. There are ways to replace your hard drive's PCB, but for your record, these methods are not recommended as they may cause further damage to the device.


Closing Words

Before looking for professional repairs, it is recommended that you repair the external hard drive on your own. And the his detailed external hard drive repair tutorial must help you, which is aimed at smoothing the way for you to fix a corrupted external hard drive. Another advice is that you should take good care of the data stored on it during or after external hard drive repair. If unfortunately, you find them lost, please turn to Recoverit Data Recovery in less than no time so that you can promptly recover data from external hard drive not detected or not working.

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