In case while you are connecting the flash drive, external hard drive, printer or other USB device in Windows 10, and you are facing with error USB Device Not Recognized, this guide should help to solve the problem. This error can occur with USB 3.0 and USB 2.0 devices. The reasons why your Windows 10 operating system does not recognize the USB device can be different (there are really a lot), and there is a lot of solutions of the problem, and some will work for one user, while others — for the another. We will try not to miss anything in this guide.

Suppose when you connect a new USB device (flash drives, mouse and keyboard,external hard drive, printer or something else), you see an error in a popup:

USB device not recognized

The last USB device you connected to this computer malfunctioned, and Windows does not recognize it.

How to fix USB Device Not Recognized error in Windows 10?

Unknown Usb Device Driver Windows 10 Download

Windows 10: Unknown USB Device (Device Descriptor Request Failed). Hopefully it's more of a Windows 10 driver thing than USB 3.0. Ev1lchris Senior Member. Solved: I know this has been asked before but none of the supplied answers or drivers have solved my issue. HP 8460p Windows 10 pro 64 bit unknown - 7059777.

First of all you need to make sure that the problem is not related to malfunctions in the USB device itself (this, at least, will save your time).

1. Try to connect the problem device to another computer or laptop and check if it works there. If not, the most likely reason for the problems with the device and methods below may not fit.
2. Next, try to connect the device to a different USB port.
3. Disconnect the USB device that is not recognized, and turn off the computer. Pull the power plug from the wall outlet, then press and hold the power button on the computer for a few seconds — it will remove the remnants of the charges from the motherboard. You can also remove the battery (+ 3V) from the motherboard for a few minutes.
4. If a lot of equipment is connected to your computer (especially in the front USB port on the PC or through a USB hub), try disabling the part of it that is not needed right now.
5. Make sure that you do not exceed the total required power for USB devices. You can check value of total available and currently required power in the settings of USB hub device (Device Management -> Universal serial Bus controllers -> USB Root Hub -> Properties -> Power).

If one of the above tips helped you, it is not necessary to continue reading this article.

USB Device Driver

Open the Device Manager console (Win + R -> devmgmt.msc). Your unknown device is likely to be found in one of the following sections of the Device Manager:

• Universal serial Bus controllers
• Other device

Right-click on your Unknown device and select Update Driver Software> Search automatically for update driver software.

When connected to the Internet, Windows will attempt to automatically find and install the appropriate driver.

In that case, when an unknown USB device with an exclamation point appears in the list of USB Controllers, try the following things:

• Right-click on the device, select Properties, then click button Roll Back Driver on the Driver tab, if it is available, and if not —Uninstall to remove the driver. Then in Device Manager click the Action ->Scan for hardware changes. Check whether your device is identified now.
• Next try to go into the properties of all devices with names Generic USB Hub, USB-root hub or USB Root Controller and on the tab Power Management uncheck Allow the computer to turn off this device to save power.

Another way, which can help when system displays USB device error code 43 in the description of the problem: for all listed in the previous section devices, try to perform the following actions: Right-click -> Update Driver Software -> Browse my computer for driver software -> Let me pick from a list of device drivers on my computer. In the list you will see the compatible driver (which is already installed).

Select it and click Next— after reinstalling the driver for the USB controller, that is connected to an unknown device, it can be recognized correctly.

USB 3.0 devices (USB flash drive or external hard drive) are not recognized in Windows 10

On laptops with Windows 10 operating system error USB device not recognized is quite common for external hard drives and flash drives, connected via USB 3.0 port.

To solve this problem, you must change the power scheme settings for your laptop. Go to the Windows Control Panel -> Power Options, select the power scheme that is used, and then click Change plan settings -> Change advanced power settings. Then, in the USB settings section disable USB selective suspend.

We hope that some of the above tips will help you to solve the problem with the error USB Device Not Recognized in Windows 10.

Dec 16, 2020 • Filed to: USB Recovery • Proven solutions

Many users have experienced such a downfall in the quest to fully utilize their computers. It happens that sometimes, you plug a USB device but instead of functioning well, you are greeted with device request descriptor failed - pop up message. So devastating! Worry no more because that is exactly what this post is going to help you overcome.

Driver Unknown Device Usb Windows 10 Pro

Part 1. Overview of the Error

USB devices are important storage hubs that are used from time to time. Apart from storage, they are also a good forum for transporting files from one device to another. Talk of being small in size, easy to handle, and larger in storage capacity with numerous categories such as memory card, USB flash drive, pen drive, among others. So, you can imagine the magnitude of frustration when you encounter the device request descriptor failed at the eleventh hour into accessing a much-awaited for the file.

The USB device descriptor is the part that stores information for any of your USB gadgets. And when it fails, it means it is not able to recognize a USB device. The result is error messages such as 'one of the USB devices attached to your computer has malfunctioned, unknown USB device or tries reconnecting the device' among other baring messages.

So, what's the warning sign?

As soon as you open the 'Device Manager', you should see the USB device that's displayed under Universal Bus Controllers marked with an exclamation mark, yellow in color. Additional 'device request descriptor failed' message may also be displayed. This should be the starting point of you identifying the real problem. Check the portrayed message properties to identify the error at a point. And a plethora of causes throws you to such disarray. Check them out on our next topic!

Part 2. What Causes the 'Unknown USB Device' Error?

Several causes lead to this problem. Identifying the exact cause is the first step into helping you determine the right method to solve the issue on your Windows or other devices. Let's see how to pinpoint the root cause of unknown USB device error.

• A connection issue will result in a USB device that doesn't communicate properly with the computer. This usually reports the 'error code 43'
• Windows may also fail to find the description of your USV device
• The computer may also turn off various devices when there is a power shortage. The remedy is to disable this option in the 'Device Manager'
• If the USB device is using outdated or corrupted drivers
• If the USB drive contains bad sectors, it automatically gets damaged and will hinder further connectivity of the USB device with the computer
• Windows OS may also be missing important updates and just refuse to recognize the USB

Part 3. How Do I Fix an Unknown USB Device?

Quick Fix:

1. Try the USB device with a different USB port

In some cases, it could be that the device request descriptor failed because the USB port is malfunctioning. In such a case, you need to check each of the available USB ports individually. By this, you will be able to determine whether the problem is due to the port or not.

Plug your USB device in one port at a time. Repeat the procedure until you have tried all the USB ports. It will be easy to pinpoint which particular port has a mishap.

2. Connect the USB device to another PC

Your PC may also be the root cause of the USB descriptor failed. Possible causes may be a bad sector in the Windows OS, outdated drivers on your computer, or non-functional USB ports. Trying out another PC may help arrest the situation.

Unplug your USB device from the computer in question and connect it to another PC. If it is recognizable, then you know that the problem lies with the earlier used computer and not the USB drive.

Advanced Fix:

Unknown Device Driver Download

The first two quick fixes may not have yielded any fruit and you could be compelled to look into other solutions with in-depth performance.

1. Uninstall the USB Driver in Device Manager

This is when your computer needs a revamp probably from corrupted or outdated files. Follow these steps to uninstall the USB drive from the Device Manager.

• Open the Device Manager. Then open the 'Run dialog' box by pressing the 'Windows' and 'R' keys together. Type in 'devmgmt.msc' in the Run and then click the 'OK' button. This will open the Device Manager.
• Next, expand the category Universal Serial Bus Controllers. From the options, you can locate the USB drive that is not being recognized. It should be tagged with a yellow sign of 'Unknown USB Device' error.
• Right-click on that USB drive and choose the 'Uninstall' option. Then, restart your computer as soon as the drivers have been uninstalled successfully.
• Some Windows OS will reinstall the drivers automatically. Otherwise, you can also reinstall the drivers manually.

2. Update the USB Driver

• Go to the 'Start' menu then click on the 'Device Manager' to open the Device Manager platform.
• Next, browse and expand option 'Universal Serial Bus Controllers'
• Then right-click on the 'Generic USB Hub' entry option and select the 'Update Driver Software'
• The 'Update Driver Software Generic USB Hub' window will pop up. Check out for the driver software available for your computer. You'll be able to locate and install driver software manually.

3. Disable Fast Startup

This is another way to fix device descriptor request failed that will also prevent your USB device from powering down.

• Click the 'Start' button and then type in 'power plan'. Next, select the 'Choose a power plan' option from the results listed.
• Then click on the 'Change Plan Settings' option. Further, select the 'Change Advanced Power Settings' option.
• Expand the 'USB Settings' by clicking the box with a 'plus' sign. Once expanded, select the 'USB selective suspend settings' and pick on the 'Plugged in' option.
• Go to the drop-down menu and select the 'Disabled' option. Next, tap 'Apply' and then click on the 'OK' option. This will disable Fast Startup and help in the unknown USB device fix.

4. Update Generic USB Hub

• To update the Generic USB Hub, go to the 'Start' menu, and select the 'Device Manager' option.
• Once the Device Manager opens, browse the available list and expand option 'Universal Serial Bus Controllers'
• Once more, right-click the 'Generic USB Hub' entry and pick on the 'Update Driver Software' option

• The Update Driver Software Generic USB Hub will pop up. Select the 'Browse my computer for driver software' option. By this, you can now locate and install the driver software manually on your computer.
• Select 'Let me pick from a list of device drivers on my computer' list option. All the driver software that is compatible with your device will be shown on the list.
• Pick the 'Generic USB Hub' item that suits your match and then click the 'Next' button. The installation will begin in due course. Wait for its completion.

Conclusion

In a nutshell, it is possible to outrightly perform a USB unknown device fix for your windows 7 or any other higher version. The above quick-fix options are simple and do not need any high-tech know-how. However, there are further advanced fixes that will dig deeper into your system and solve the unknown USB device almost instantly.

Recoverit - The Best USB Data Recovery Software

• Recovers and reads files in 1000+ file formats and restore them with 95% efficiency;
• Supports each external storage source including a USB flash drive, external hard disk, an SD card, camera, camcorder, drone, and many others;
• Available for both if your macOS & Windows devices;
• Recovers data from situations like virus-infected and crashed computer, and formatted deletion;

Driver Unknown Device Usb Windows 10 64-bit

USB Solution

Unknown Usb Device Driver Download Windows 10

Hp Unknown Device Windows 10

Recover USB Drive

Format USB Drive

Fix/Repair USB Drive

Know USB Drive