Step three: shift to the Removable Disk Drive option from This PC (checked by default). Step two: connect the target USB device to your computer and launch the software you have just installed by double clicking on the icon. Step one: if you envy the free USB data recovery, you can get a trial edition and install it on your computer properly. When the data recovery has been finished, you can try every possible means to fix the problem (this is for data security reasons). Whenever you meet the unknown USB device issue, you are advised to recover data from the unknown USB device at first. Recovery: Rescue Data from the Unknown USB Device You must care about these things when in face of unknown USB drive problem, right? Taking this into account, I decided to show you how to recover data from unknown USB device and the way to deal with the unknown USB device in Windows 10 properly. How does that happen? Can you fix unknown USB device yourself? How to recover data from the problematic USB drive? Error: Unknown USB Device (Device Descriptor Request Failed)īut sometimes, you may run into the Unknown USB Device (Device Descriptor Request Failed) error. At the same time, software and hardware problems can be a source of failure. If for some reason a message is generated stating that the device descriptor request has failed (error code 43 'Device not recognized'), it only means that the system is unable to obtain the necessary data about the basic rules established for correct operation. To begin with, a descriptor in the simplest sense is a kind of description of a device and its characteristics, roughly speaking, data on which the operating system can initiate it using a suitable driver. What is the reason for this problem and how to solve it will now be considered in this post, and also the most convenient methods included. Probably many users have encountered a problem when inserting a regular flash drive into the port, and the system instead of recognizing it, displays the message 'Unknown USB device (device support request failed)'.

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