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How to Fix USB Device Not Recognized Error

Last updated on October 26, 2018 by Bryan

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How to Fix USB Device Not Recognized Error

USB Flash Drives are the most common form of optical storage device. This compact storage device can hold up to 1 Terabytes of data and files despite its size. With the society relying more on digital file formats now, the need for large-sized USB storage is ever growing. With its frequent use, being plugged in and plugged out, USB storage device can experience the “USB device not recognized” error. Unfortunately, most of the time when a USB Flash storage encounters an error, it leads to data loss. In this article, we will show you different methods to fix the USB drive not recognized issue as well as how to recover your lost data.

Unplug the Power Supply

There are various methods to try to fix USB not detected errors. One of them, is by shutting down the whole PC device while the USB flash drive is plugged in. Unplug the power supply and wait for 2-3 minutes before plugging in and turning it on again. After the boot process, check if the USB is recognized by the system.

Unplug the Power Supply

Unplug the USB Devices and Restart the System

This method is slightly similar to the first one. The only difference is that there is no need to unplug the power supply. Start by unplugging the USB device from the port and immediately restart the PC device. After the reboot, plug the USB device again and wait for the installation to be successful.

system restart

Uninstall Hidden Devices

One possible reason why the system does not recognize the USB Storage device, is because of installed devices that are hidden on the system. The problem might be fixed if you uninstall these devices. Here are the steps to uninstall hidden devices.

Step1 Launch the Command Prompt

First thing to do is to run the Command Prompt by going to the search bar and typing in “CMD” and click the top result.

open cmd

Step2 Enter the Initial Commands

On the Command Prompt, enter the first command line: “set devmgr_show_nonpresent_devices=1” and press “Enter”.

enter first command

You will notice that nothing happened after you enter the commands and press the “Enter” key. This is normal, because that is a command to help you see the hidden devices.

Step3 Enter the Second command

Next step is to open the Device Manager by typing in the command line “devmgmt.msc” on the command prompt to launch it.

enter second command

Step4 View Hidden Devices

On the Device Manager window, go to the “View” tab on the upper-left part of the screen, select the “Show Hidden Device” option.

show hidden device

Step5 Uninstall the Hidden Device

After clicking the “Show Hidden Device” option, additional device options will appear, uninstall each devices to complete the process.

uninstall hidden device

Check the USB Ports

A PC device is usually equipped with at least 4 USB ports. If the USB storage device is not recognized by the system the first time, try using a different port and see if it reads it. If it reads the device, then the problem is with the first USB Port. Fix it by following these steps.

Step1 Run the Device Manager

Launch the Device Manager by pressing the “Windows and R” keys simultaneously. On the small window that will appear, type in “devmgmt.msc” and press “Enter”.

run device manager

Step2 Select Universal Serial Bus

On the Device Manager window, click the “Universal Serial Bus Controllers” option and right click on it to expand the menu.

usb controller

Step3 Click the Scan for Hardware Changes option

From the small menu list, select the “Scan for Hardware Changes” option to start a scan. Just follow the on-screen instructions to complete the process.

scan for changes

Use Windows USB Troubleshooter

Windows USB Troubleshooter is a tool by Microsoft to repair USB errors. This tool can troubleshoot for different kinds of common error that affects a USB storage device. To use this tool, here are the steps to follow.

Step1 Get the tool and launch it

Launch the tool to start. On the home screen, click “Next” to start a scan for the USB storage device.

launch troubleshooter

Step2 Select the USB Storage Device

Once the device is detected by the tool, tick the checkbox and click “Next” to start the repair process.

select usb device

Step3 Confirm the Repair

After the repair process, the status box where the result will appear. Click the close button to confirm the process.
close troubleshooter

Update the Root and Generic USB Hub

Root and Generic USB Hubs are device built-in the system that splits the USB ports. This is being done to accommodate more than one USB device on the system. When both Root and Generic USB Hub are outdated, it can cause the ports to not function properly. As a result, your computer won’t recognize the USB drive properly. That is why it is essential to check and update these USB Hub from time to time. Below are the steps to update both Root and Generic USB Hub.

Step1 Launch the Device Manager

On the Search bar, type in “Device Manager” and select the top suggestion of the search window.

search device manager

Step2 Click the Universal Serial Bus Controller option

From the Device Manager window, hover the mouse and double-click “Universal Serial Bus Control.”

usb controller expanded menu

Step3 Update the Root/Generic USB Hub

From the drop-down options, select the “Generic USB Hub” or “USB Root Hub” and right click on it. On the new menu, select the “Update driver” option and follow the instructions on the screen to complete the update process.

update drivers

Uninstall USB Devices

Another thing to worth trying to solve the USB unrecoganized error, is to uninstall all USB devices like keyboard, mouse and other hardware connected via USB. After uninstall, plug out all USB device and restart the PC. Next, Plug in all the USB device again to reinstall them again on the system. Here are the steps how to uninstall all USB Device on your PC.

Step1 Open the Device Manager

Launch the Device manager from the Search bar. Type in “device manager” and press “Enter”.

launch device manager

Step2 Uninstall the Devices

Select the devices that are connected via USB port and right click to show the menu. Click the “Uninstall Device” option.

uninstall usb devices

Recover Lost USB Files

Having a USB Flash storage can help in organizing your files, as well as keeping back up of important files. These are indispensable tools for office employee and students, because it can hold their precious data and can have access to them anytime, since it is portable and fits in the pocket. However, when the USB storage device experience errors and you lose files, fret not because there is a way to recover those lost files. Acethinker Disk Recovery is a recovery tool built for such situations when people lose important data on their devices. Here are the steps on how to use Acethinker Disk Recovery to get back your data.

Step1 Download and Install the Tool

First is to have the tool installed on the PC, start by getting the installer from the download button below and install on your PC.

Try It for Free

Step2 Select the File Type to Recover

After installation, immediately launch the program to start the recovery process. On the home screen, there are multiple file formats to choose from. Select the file format that was stored on the USB Flash Storage and click “Next.”

file select

Step3 Scan the USB Storage

Even if the files were deleted, the tool can still retrieve them. On the next screen, select the Removable device from the list of storage device, and click “Next” to start the scan.

select usb storage

Step4 Select the Files You Want to Recover

After the scan, the list of files will appear, select the files you need and click “Restore” to save the files.

save the files

Start Your Free Trial Today


There are many ways you can try, if your USB device is not recognized by your computer. The steps above can are initial actions to try and troubleshoot the actual issue. If all the steps above failed to resolve the error, go and consult an expert with regards to the matter. To salvage the files that are stored on the USB storage device, you can use Acethinker Disk Recovery. This tool can restore files that were deleted directly from the USB Flash Drive. A really convenient tool to use for recovery needs.

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October 26, 2018

Post By Bryan to disk-recovery

Last updated on October 26, 2018

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