FIX: Lexar 64GB USB 3.0 not working

Vlad Turiceanu
by Vlad Turiceanu
Editor-in-Chief
Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming from a solid background in PC... Read more
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  • A lot of users took forums by storm complaining about how Lexar 64GB USB 3.0 is not working.
  • The most common causes include outdated or problematic USB device drivers.
  • Inserting the USB in another port to see if it can work is always a good start.
  • Another way to fix this issue is to format your flash drive using a specialized tool.
Lexar usb 64gb 3.0 not working
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Lexar USB flash drive is popular among people due to its high performance, reliability, affordable price, and security property.

Though lately, Lexar 64GB USB 3.0 has become popular on forums for its malfunctions. Messages like USB device not recognized, Unknown device (descriptor request failed), etc are being written over the Internet in hope of a solution.

The causes for these error messages include corrupt partitions, problems with the drive system, faulty USB ports, or even a dead USB drive.

But need not worry, you’ve come to the right place. If you’ve encountered the same issues when inserting a Lexar USB drive into a Windows PC, keep reading to find the best solutions for fixing this error.

What can I do if Lexar 64GB USB 3.0 is not working?

1. Run the troubleshooter

  1. Right-click on the Start button and select Run.
  2. In the run box, enter the following: msdt.exe -id DeviceDiagnosticmsdt.exe -id DeviceDiagnostic
  3. Click Next in order to run the troubleshooter.run the troubleshooter
  4. After the process is complete, restart your computer and connect your drive again.

2. Update the USB Device Driver

  1. Right-click on the Start button then select Device Manager.
  2. Select and expand Universal Serial Bus controllers.device manager-universal serial bus controllers
  3. Locate the USB driver that comes with the error, right-click on it, then select Update driver.update driver
  4. Select Search automatically for updated driver software.select search automatic
  5. The installation process will start automatically.
  6. Once the process completes, restart your PC then reconnect your Lexar 64GB USB 3.0

A safer way to deal with updating your USB driver is by choosing a professional driver updater software.

It’s easy to use, reliable, and the best part is yet to come – it is completely automatic, thus you won’t risk any damage to your PC by going through the process manually.

DriverFix Updater ResultsMost of the time, the generic drivers for your PC’s hardware and peripherals are not properly updated by the system. There are key differences between a generic driver and a manufacturer’s driver.Searching for the right driver version for each of your hardware components can become tedious. That’s why an automated assistant can help you find and update your system with the correct drivers every time, and we strongly recommend DriverFix.Follow these easy steps to safely update your drivers:

  1. Download and install DriverFix.
  2. Launch the software.
  3. Wait for the detection of all your faulty drivers.
  4. DriverFix will now show you all the drivers that have issues, and you just need to select the ones you’d liked fixed.
  5. Wait for the app to download and install the newest drivers.
  6. Restart your PC for the changes to take effect.
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Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.


3. Change the settings in Power Management

  1. Follow the first two steps from the previous solution.
  2. Double click on the first USB Root Hub from the list.usb root hub 3.0
  3. Go to the Power Management tab.power management
  4. Uncheck the option Allow this computer to turn off this device to save power.Allow this computer to turn off this device to save power
  5. Click OK.
  6. Repeat this for every USB Root Hub from the list.

4. Assign a drive letter

  1. Right-click on the Start button and select Run.
  2. In the run box, enter the following: diskmgmt.mscstart-run
  3. Locate the Lexar USB drive and right-click it.
  4. Select Change Drive Letter and Paths in the pop-up window.change-drive-letter
  5. On the newly opened window, click on Change.
  6. Select a drive letter from the drop-down menu.change and assign-drive-letter
  7. Click OK to save changes.
  8. Reconnect the drive.

5. Enable the USB Port in BIOS

  1. Turn off your computer, connect your Lexar USB, and then turn the computer back on.
  2. Press the F8 key to enter the BIOS setup.
  3. Use the arrow key to select Advanced then USB ports from the menu.
  4. Select the USB support, then Full Initialization.
  5. Choose the correct OS type.
  6. Save the changes with the F10 and exit.
  7. Restart your computer and check if Lexar 64GB USB 3.0 is working.

Need more information about your computer BIOS? Discover this article dedicated to what is BIOS and how to use it with ease.

6. Format your USB flash drive

Run a System Scan to discover potential errors

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If all the above methods fail to work, a USB format is required to repair the Lexar 64GB USB 3.0 and make it work properly.

It’s highly recommended that you use a dedicated software to format your flash drive as there’s simply no room for error when dealing with such a delicate process.

We’ve put our trust in an amazing tool mentioned below as it allows you to quickly and thoroughly format virtually any USB flash drive with your choice of FAT, FAT32, exFAT, or NTFS partition types.

This software will erase all data and delete space on flash drives that cannot be removed in the traditional way, that way it will restore your flash drive back to its original storage form.

⇒ Download USB Disk Storage Format Tool

We hope that one of the above methods worked for you as well. Moreover, the best flash drive file recovery software helps you each time your important data becomes corrupted due to such issues.

Have you come across other workarounds on how to fix a USB flash drive that is not recognized? Tell us in the comment section below and let’s start a discussion.

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