Thu. May 23rd, 2024

Flash drives, also known as USB drives or thumb drives, are ubiquitous data storage devices renowned for their portability and reliability. They play a significant role in our daily digital activities – from transferring files to storing backups. But, like all digital devices, they’re susceptible to data corruption. Data corruption can occur for various reasons such as malware attack, improper ejection, physical damage, or simply due to the age of the drive. This guide aims to empower users to recover their precious data from a corrupted flash drive.

How a Flash Drive Works

Flash drives use flash memory to store data. Unlike a traditional hard drive, there are no moving parts, making it more resistant to shock and less likely to fail mechanically. When you save a file, it’s written to the flash memory. When you open a file, the processor within the flash drive retrieves it from the memory.

Common Reasons for Flash Drive Corruption

Several factors can corrupt a flash drive: improperly ejecting the flash drive, power failures while the drive is in use, physical damage, exposure to extreme temperatures, and virus or malware attacks.

Symptoms of a Corrupted Flash Drive

Signs that your flash drive may be corrupted include error messages when trying to open files or the drive itself, missing files, altered file names, or slow or frozen access to the drive.

Precautions to Prevent Data Corruption

Safely Removing the Flash Drive from the System

Always use the “Safely Remove Hardware” feature before unplugging your flash drive. This ensures that all file processes have been completed, reducing the risk of corruption.

Protecting the Flash Drive from Physical Damage

Keep your flash drive in a safe place to avoid physical damage. Avoid exposure to moisture, extreme temperatures, and keep it clean.

Keeping the Flash Drive Free from Viruses and Malware

Regularly scan your flash drive for viruses and malware using a trusted antivirus software to keep it clean and secure.

Initial Steps Before Recovering Files

Checking the Flash Drive on a Different Computer

Before assuming your flash drive is corrupted, check it on a different computer. It could be an issue with the USB port or drivers of the initial computer.

Updating the Flash Drive Driver

If your computer doesn’t recognize your flash drive, you might need to update the driver. This can usually be done from the Device Manager on a Windows computer.

Running a Basic Error Check on Your Computer

Using Windows’ Disk Check tool, you can run a basic check for file system errors, which may be causing issues with accessing your flash drive.

How to Recover Files Using In-Built Windows Tools

Using the “CHKDSK” Command in Command Prompt. Windows’ Command Prompt tool includes a function called CHKDSK that checks for and repairs file system errors. Running “chkdsk X: /f” (replace X with your drive’s letter) can potentially fix issues and recover files.

How to Restore Previous Versions of Files

In Windows, you can restore previous versions of files via the “Properties” and “Previous Versions” options, if available.

Using the “System File Checker” Tool

Windows’ System File Checker (SFC) is a tool that scans and repairs corrupted system files. Running “sfc /scannow” in the command prompt can repair corrupted files that may be affecting your flash drive.

How to Recover Files Using Third-Party Software

Selection Criteria for Third-Party Software. When selecting third-party recovery software, consider factors like ease of use, effectiveness, price, customer reviews, and the option to preview files before recovery.

Step-by-Step Guide on Using DiskInternals Uneraser

DiskInternals Uneraser is a reliable third-party software that specializes in data recovery. It can retrieve various file types even from corrupted or formatted flash drives. Here’s a step-by-step guide on how to recover files from corrupted flash drive and how to use it:

  1. Download and Install DiskInternals Uneraser: Visit the DiskInternals official website and download the Uneraser software. Install it on your computer by following the prompts.
  2. Launch the Software: Open the DiskInternals Uneraser software. The Recovery Wizard should automatically start up, but if it doesn’t, you can initiate it manually by clicking the ‘Wizard’ icon.
  3. Select the Flash Drive: The wizard will ask you to choose the drive you want to scan. Select your flash drive from the list.
  4. Choose the File Types: DiskInternals Uneraser will then ask you to specify the types of files you want to recover. You can select specific file formats or choose to search for all types if you’re not certain.
  5. Scan the Flash Drive: Click ‘Next’ to start the scanning process. The software will now scan the flash drive for recoverable files. This process may take a few minutes depending on the size of your flash drive.
  6. Preview and Recover Files: After the scan is completed, the software will display a list of recoverable files. You can preview these files by right-clicking and selecting ‘Preview in New Window’. Choose the files you want to recover, right-click and select ‘Recover’.
  7. Save Recovered Files: In the free version of Uneraser, you will be prompted to buy a license at this stage. After purchasing a license and entering the key, choose a location to save the recovered files. Remember, it’s best to save these files in a different location, not on the corrupted flash drive.

Always remember that the success of data recovery depends on various factors such as the extent of corruption, the physical condition of the flash drive, and whether the data has been overwritten. It’s also recommended to stop using the corrupted flash drive as soon as you notice data loss to increase the chances of successful recovery.

Risks and Precautions When Using Third-Party Software

While third-party software can be highly effective, it’s essential to use reputable programs from trusted sources to avoid further data loss or malware infection. Always double-check user reviews and download from the software’s official website.

Seeking Professional Help

When to Consider Professional Data Recovery Services

If the above methods don’t work or if the flash drive is physically damaged, it might be time to consider professional data recovery services.

Process of Professional Data Recovery

Professional data recovery services have advanced tools and cleanroom environments to carefully extract data even from severely damaged drives.

Selecting a Reputable Data Recovery Service Provider

Look for a provider with good reviews, transparent pricing, a no data, no charge policy, and a proven track record of successful recoveries.

Preventing Future Flash Drive Corruption

  • Regular Backup of Flash Drive Data. The best way to prevent data loss is to regularly back up your flash drive data. This could be to another physical drive, or a cloud-based storage service.
  • Safe Usage of Flash Drives. Avoid mishandling the flash drive. Don’t force it into the USB port, and keep it away from extreme temperatures or humid environments.
  • Use of Reliable Antivirus and Anti-Malware Software. Keep your flash drive and your computer secure by regularly scanning them with reliable antivirus and anti-malware software.


The importance of data and its recovery from corrupted flash drives can’t be overstated. This guide provides several strategies for data recovery, but prevention remains the best approach. Ensure regular backups, safe handling, and reliable security practices to keep your data secure. Remember, if your data is valuable and you are unable to recover it yourself, seek professional help.

By Syler