This is the most recent driver for the EV2300:EV2300aDeviceDriverInstallerMultilanguage0.6 (3) (1).zip. I would suggest using an EV2400. It uses the HID class to communicate over USB so drivers are already built into windows. Best Regards, Ben Lough. Under the list of available devices, locate the device that shows the ‘ unknown USB device set address failed ’ or ‘ unknown USB device port reset failed ’ error (you will notice a small yellow triangle next to the icon). Right-click on the device to reveal the context menu. Select the Uninstall device from the context menu.

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?

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.

The Unknown USB device (device descriptor request failed) in Windows Device Manager on HP and Lenovo would stop your USB devices like an Android mobile, flash drive or pen drive from being properly detected for use in Windows 10, 8 or 7, but we finally resolved the USB not recognized problem for you. In case any USB malfunction could endanger data, let EaseUS Data Recovery Wizard recover data from the inaccessible USB drive.

Unknown USB Device (Device Descriptor Request Failed) is a Windows Device Manager error under the 'Universal Serial Bus controllers' section. The current device status is demonstrated as 'Windows has stopped this device because it has reported problems. (Code 43). A request for the USB device descriptor failed.'

What Is a Device Descriptor?

The device descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information. idVendor and idProduct of which are the unique members for the Windows operating system to identify the connected device and determine which device driver must be loaded.

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Unknown Usb Device Driver For Windows 10 Latest

Anyway, we don't care about the tech-savvy's jargon, but only get to know - how do I fix the device descriptor when the request failed?

How Do I Fix Device Descriptor Request Failed?

Driver issues take the most responsibility for an unknown USB device on HP, Lenovo, Dell, and many computers. As you've concerned, the device descriptor request failed error is a generic unknown USB problem, so it's reasonable to suspect a driver issue at present. The USB device here mentioned can be a flash drive, pen drive, Android, digital camera, and any digital gadget that is supposed to use on a Windows machine.

In the next part, we mainly show you the common troubleshooting methods for the device descriptor request failed error in Windows 10. As a matter of fact, Windows 7 and Windows XP users are also having the same problem. Never mind applying the solutions to your own Windows operating system. They're all-OS-versions compatible.

3 Quick Fixes to Unknown USB Device (Device Descriptor Request Failed) in Windows 10

In case that unknown USB device (device descriptor request failed) error happens because the USB port is not working or USB device is damaged, the following three fixes are significant to try before going to further troubleshooting.

1. 1. Try plugging in a working USB drive to check whether the USB port is working or damaged.
2. 2. Plug your USB into a different PC to check whether the USB drive is working or damaged.
3. 3. Check if the USB device shows up in Disk Management. As long as the data matters, download EaseUS free data recovery software to recover data from the inaccessible USB device in advance.

Step 1. Run USB data recovery software.

Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.

Step 2. Scan all lost files from USB.

EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.

Step 3. Restore all lost files from USB.

A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.

5 Advanced Fixes to Unknown USB Device (Device Descriptor Request Failed) in Windows 10

Due to the uncertainty of the exact factor that causes your USB drive malfunctioning in this way, the demonstrated solutions are not all supposed to take effect. Hence, take some patience to implement each solution until the problem solved.

1. Use Hardware and Devices troubleshooter

• Press Win+R, type Control Panel and hit Enter.
• Inside Control Panel in the search box type troubleshooter and select Troubleshooting.
• After that select Configure a device under Hardware and Sound and follow the on-screen instruction.
• Click on Apply this fix if any problem is found.

Windows 10 Unknown Usb Device Descriptor

If the unknown USB device error is triggered by hardware issues, it will no longer appear after you try the above steps. If not, you need to move on to the next method to find a fix.

2. Try to Uninstall USB Drivers

• Open Device Manager (Right Click on Windows Logo and Click Device Manager).
• Now find and expand Universal Serial Bus controllers. Now right-click on USB drivers and click Uninstall. Do for all USB drivers one by one.
• Restart your PC then Windows will reinstall the device automatically.

Some people would find that uninstalling and reinstalling the driver only works once. The next time they plug in the drive, and the device descriptor request failed appears again. According to an experienced user who has been suffering the problem for long but finally found the cause of why this method does not work and how to make it work.

Other Devices Unknown Device Windows 10

3. Disable Fast Startup

• Press Win+R, type Control Panel and hit Enter.
• Click on Power Options and select Choose what the power buttons do in the left pane.
• Click on Change settings that are currently unavailable.
• Under Shutdown settings, uncheck the box next to Turn on fast startup (recommended). Then click on the Save changes button.

4. Turn on Plug and Play in Windows Services

• Press Win+R, type services.msc and hit Enter.
• In Windows Services, find the name Plug and Play. Double-click on it to open the Properties window.
• If the Startup type is currently Manual and the Service status is Running, try to turn it to Disabled and Stopped, save the changes; later change the Disabled and Stopped to Manual and Running again. Click OK and Apply.
• If the Startup type is currently Disabled and the Service status is Stopped, switch to Manual and Running. Click OK and Apply.

Restart your PC and see if the unknown USB device problem has been resolved in Windows 10. if it doesn't work, try to perform a system restore to get rid of this issue.

5. Restore Your PC To Previous Recovery Points

Unknown Usb Device Driver Windows 10 Download

• Press Win+R, type Control Panel and hit enter.
• Now find and open the Recovery option.
• Select System Restore, follow the on-screen guide and wait until all the recovery points are shown.
• Restore your PC from the right recovery point.