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How to Recover Data From USB Not Recognized on your PC?

Written By   Deeksha Arora
|
Jitendra Kumar Jaiswal
Reviewed By  Jitendra Kumar Jaiswal
| Updated On June 5, 2026

When your PC fails to recognize a drive, it’s usually due to one of these: a faulty USB port, corrupted drivers, or a damaged file system that your PC can’t read. But your data is likely not gone, it’s just not visible to your device. We will start by assessing the potential of data to determine the chances of success. From there, professional data recovery software can step in. These tools perform a deep sector scan of the drive to recover data from USB not recognized. Constructs the data together even when Windows Explorer/ Finder says the drive doesn’t exist.

Quick Answer: If a USB drive is unrecognized, Notchox data recovery software provides a secure and effective solution to scan and restore files from inaccessible drives. The software bypasses file system errors to recover lost data from USB not recognized, making it a top choice.

Evaluating Data Recovery Possibilities for a USB Device Not Recognized

Data Recovery Possibilities for a USB Device Not Recognized

You might plug in your drive, and when it’s not accessed, you might think it’s corrupted, and all your files are gone. But it’s important to know that there’s a big difference between a drive that’s corrupted (RAW) and one that’s simply unrecognized. A RAW drive is recognized physically but not logically, while an unrecognized USB is often not detected at all, indicating hardware or driver failure.

If your computer fails to detect a USB, it means the communication between the device and the OS has failed. By checking recovery potential and seeing if hardware is visible in Disk Management/Utility, you can determine if the fix is a simple software scan or the drive requires physical repair.

QuestionUnrecognized USBEstablished USB
Does the “USB Device Not Recognized” pop-up appear?
Does the drive show as “Unknown Device” in Device Manager?
Is the drive missing entirely from Disk Management?
Does the USB work on a different computer/port?
Does the drive detect the wrong disk size?

Preliminary Connection/Device Checks:

  • Bypass USB hubs and plug directly into the computer’s rear ports.
  • Switch between a USB 3.0 (blue) to a USB 2.0 (black) port.
  • Plug the USB into a Mac or Linux PC to rule out Windows errors.
  • Check the physical condition of the drive
  • Unplug the PC, wait 60 seconds, and restart to reset USB.

If the drive remains unrecognized after the checks above, it is likely due to one of the deeper issues:

  • File system or partition errors
  • Drive letter conflict
  • Corrupt/missing drivers
  • Insufficient power
  • Physical failures

Next, we will see the ways to recover data from USB not recognized, explaining the steps of each process.

How to Recover Data from USB Drive Not Recognized? 5 Effective Methods

How to Recover Data from USB Drive Not Recognized

If you have already tried every physical fix (like swapping ports, cleaning connectors, updating drivers, etc.) and the USB still refuses to show up in File Explorer (in Windows) or Finder (in Mac), this is where data recovery software becomes the most effective tool.

Data recovery software is the best method because it doesn’t rely on the operating system to recognize the drive as a healthy storage device. Instead, it bypasses standard file system barriers to scan raw sectors of the USB directly.

It can piece together invisible files that the computer thinks are lost, making it the most powerful way to recover data.

Method 1: Recover Your Data Using Notchox

Notchox, being the best data recovery software, lets you recover data from USB not recognized through its deep scan technology that bypasses the file explorer and recovers data that is not accessible by the system. It uses sophisticated techniques to recover data without affecting the drive’s health.

Follow these steps to recover your data:

  1. Download and Install:
    • Go to Notchox’s official website and download the software compatible with your device (Mac or Windows).
      Download Notchox from official website
    • Click on the downloaded file to install the software.
      Install the downloaded Notchox software
  2. Select USB Drive:
    • From the dashboard, select the module according to your recovery needs.
      Select module
    • Now select the targeted storage drive (i.e., your USB drive) from the dropdown.
      Select targeted storage drive
    • Apply filters such as include attachments, deep signature, etc. (if needed).
      Apply filters before scan
  3. Scan for Lost Files:
    • Click the Start Scan button to begin the data recovery process.
      Click the Start Scan button
  4. Preview and Recover:
    • Go to the Results tab to preview, select, and recover items.
      Go to Results tab
    • Select the files you want to preview and click the Preview button.
      Select the file to preview
    • From the preview section, click the Open button to view the file.
      Click the Open button to view the file
    • Click Save to Vault to successfully recover data.
      Save to Vault to recover data

Now that your data is secured, let’s move forward and look at some quick fixes to ensure your USB drive is recognized immediately the next time.

Method 2: Update or Reinstall USB Drivers

By updating and reinstalling USB drivers, you can clear out old or corrupted data that prevents your PC from seeing the device. It focuses on the operating system to build a fresh and clean connection with your hardware.

  1. Right-click on the Start and select Device Manager.
    Right click Start button and select Device Manager
  2. Scroll down and expand the Universal Serial Bus controllers section by double-clicking on it or clicking the arrow (>).
    Double click on Universal Serial Bus controllers
  3. Right-click your USB device and choose Update driver.
    Right click and click on Update driver
  4. Click Search automatically for drivers.
    Click Search automatically for drivers
  5. After the scan is finished, click Close.
    Click Close after the scan is finished
  6. If that fails, right-click on your USB drive and select Uninstall device.
    If that fails Uninstall device
  7. Unplug your USB and restart your computer. Windows will automatically reinstall the driver when you plug it in.

Method 3: Assign a New Drive Letter

This process assigns a new identity to your USB, which can force Windows to recognize it properly if there’s a path conflict.

  1. Right-click on the Start button and select Disk Management.
    Right click on Start menu and select Disk Management
  2. Find your USB drive in the bottom list of volumes.
    Find your USB drive in Disk management
  3. Right-click the drive’s rectangular icon and select Change drive letter and paths…
    Right click and Change Drive Letter and Paths
  4. Click the Change button.
    Click Change button
  5. Choose a new letter from the dropdown menu (like X or Y).
    Assign new drive letter
  6. Click OK.
    Click OK button
  7. Click Yes on the warning message that appears.
    Click Yes to confirm

Your USB drive should now appear in the File Explorer with the new letter.

Method 4: Disable USB Selective Suspend

While the USB Selective Suspend is designed to save battery by cutting power to inactive ports, it can sometimes be too aggressive, causing your computer to stop recognizing your USB drive. Disabling these settings lets your ports remain fully powered and ready for a data transfer at all times.

Steps to disable USB selective suspend:

  1. Open the Control Panel on your Windows.
    Open Control Panel
  2. Go to Power Options.
    Open Power Options in Control Panel
  3. Select Change plan settings.
    Change Plan Settings
  4. Click the link that says “Change advanced power settings.”
    Change advanced power settings
  5. The Power Option box will appear. Scroll down the list until you find USB settings and click the [+] icon to expand it.
    Expand USB Settings in Power Options
  6. Click the [+] icon next to USB selective suspend settings.
    Select USB selective suspend setting
  7. Change both “On Battery” and “Plugged in” to Disabled.
    Disable USB selective suspend setting
  8. Click Apply and then OK to save the changes. Restart your computer to ensure the changes take effect.
    Click Apply and OK button

That was how to recover data from USB not recognized on Windows, use data recovery software to recover the data, and these methods to fix the USB drive not recognized issue.

Method 5: Run First Aid (on Mac)

How to recover data from USB not recognized on Mac? It starts with a logical repair that clears the communication path between your hardware and the OS. Using First Aid is the most effective way to fix underlying directory issues that prevent them from appearing.

Steps to Fix and Recover Using First Aid:

  1. Search (using Cmd + Space) and open Disk Utility on Mac.
    Search and open Disk Utility
  2. Find your USB in the sidebar. Even if it is “greyed out,” select the main drive entry at the top of its hierarchy.
    Select your external drive
  3. Click the First Aid button in the top toolbar.
    Click First Aid button
  4. To run First Aid on your USB drive, click the Run button.
    Click Run button
  5. MacOS will now check for the partition maps, and if it finds any errors, it will repair them automatically. Once the First Aid process is complete, click Done.
    Click Done button

That’s how to solve USB not recognized. For detailed recovery of a USB drive (RAW or Corrupted), you can follow specialised guides by Notchox. If these standard troubleshooting steps fail, it often points to a deeper hardware malfunction within the USB.

How to Fix USB Physical Component Failure?

How to Fix USB Physical Component Failure

Now that we have covered the initial troubleshooting methods and software-based recovery, it is important to address the possibility that the issue is not within the code, but the hardware itself. If your computer still refuses to acknowledge the USB, there must be a physical failure. In this case, you must consult a professional data recovery service to get back your data safely.

For instance, in such cases, you must avoid forcing the plug. Forcing it can snap the delicate copper traces in the internal circuit board.

If the data on the drive is backed up elsewhere or is not important, it is always more cost-effective to replace the drive. Physical repairs can cost more than the price of a new 128GB or 256GB USB. Use this as a lesson to start a “3-2-1 backup strategy: 3 copies of your data, on 2 different types of media, with 1 copy stored off-site.

Important: Do not attempt to open the physically damaged USB drive yourself. Taking a DIY approach to hardware failure can lead to permanent data loss.

Conclusion

Mastering the steps to recover data from USB not recognized is a complex technical challenge rather than a quick fix, but it only results in permanent loss if the memory chip itself is physically destroyed or the data is overwritten. 

Having known the preliminary connection checks, troubleshooting steps in Mac and Windows, and using powerful software like Notchox, you can recover your data successfully. This article listed every possible solution to bypass the “not recognized” error and get your digital data back.

Frequently Asked Questions (FAQs)

Q1: How to recover data from USB flash drive not recognized?

Ans: Use reliable data recovery software such as Notchox to scan the drive even if it’s not recognized by your device.

Q2: How to solve USB not recognized problem?

Ans: To solve USB not recognized problems, try different USB ports, update/reinstall drivers, assign a new drive letter for Windows, or try First Aid on Mac.

Q3: How to recover data from USB not recognized on Mac?

Ans: On Mac, use Notchox Mac data recovery software to restore data from a USB not recognized, you can also use First Aid in Disk Utility to repair the drive.

Q4: Should I use data recovery software to recover data from USB not recognized?

Ans: Yes, if the drive is not recognisable to your file explorer, you can use data recovery software such as Notchox to recover the files. It deep scans your storage media memory sector to recover data.

Q5: How to recover data from USB not recognized on Windows?

Ans: Use troubleshooting methods like updating/reinstalling USB drivers, assigning a new letter to the drive, or disabling USB selective suspend to fix the drive not being recognized. You can use specialised data recovery software (like Notchox) to recover data from a USB not recognized on Windows.

Q6: How to recover files from an unreadable external hard drive?

Ans: Data recovery software is the best solution to recover files from an unreadable external hard drive.

Q7: Can we access the USB not recognized?

Ans: Yes, if the computer physically recognizes it (for example, if the sound plays when inserting the drive, the device shows in Device Manager), even if it’s not showing in the File Explorer/Finder.

Published by
Deeksha Arora

Deeksha Arora is a Data Protection & Recovery Writer focusing on writing accurate, informative, and easy-to-understand technical articles for Notchox’s readers. Her content on the prevention of data loss, understanding risks of device failures, and guides to fix problems helps readers make the right decisions and understand the technical terms easily. She works closely with Subject Matter Experts to ensure high usability and accuracy of her writing.

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