How to Fix Device Descriptor Request Failed (Unknown USB Device) in Windows 10

Windows 10 users have been encountering issues regarding USB connectivity lately. Whenever they try to connect a USB with their computer, they come face to face with this error. One of the most common errors in the “Unknown USB Device(Device Descriptor Request Failed).” When you encounter this error message, you’re essentially told that the computer is unable to use the specific USB device connected. This could create a serious situation when you’re trying to connect devices such as a USB flash drive, memory card or anything that requires your USB to be utilized to connect it with your PC.

This error could be because of hardware or system-specific problems. Thus, this issue should be resolved from the origin when it’s still raw.  This article focuses on doing just that by providing some of the effective methods to avoid this error. Here is the guide on

How to fix the Device Descriptor Request Failed error in Windows

SOLUTION 1: Check your device for hardware issues

There’s a good possibility of hardware being the root cause of this error. This tells us that the issue is within your computer not in the Operating system. There are two ways to check whether this is the issue or not.

First: As the computers and laptops come with at most 2 USB ports, try plugging your cable into a different one from the one you were using before. If the USB suddenly starts working then congratulations! You resolved the issue. You can consider replacing the faulty port.

Second: Try using your USB in a different computer to see whether the USB itself is carrying a fault or not. If the USB works on the other computer then the problem is in your recipient device. However, if it doesn’t work on another device too then either repair it or consider a replacement.

If the problem lies in your hardware then one of the two will certainly resolve this error. But if it’s not the case then try out the other solutions given below.

SOLUTION 2: Plug out the power supply

Yes, sometimes a simple solution as this can resolve big and serious errors like this. Just remove the power or shut your PC down. And even if this method also doesn’t work then continue to the next method to get rid of the error.

SOLUTION 3: Reinstall USB Drive

Follow these steps to reinstall the USB Drive:

Step 1: Press Windows + S and search for “Device Manager”

Step 2: Click on it. The window will open where you have to select “Universal Serial Bus controller”

Step 3: The selection will result in a drop-down menu. Find the USB device with a yellow symbol and then right-click on it to get another drop-down menu.

Step 4: Select “uninstall” in the drop-down menu.

After following these steps, reboot your computer and check whether the error is resolved or not. It should now be able to recognize your USB device and as a result, the device descriptor request failed error gets fixed.

SOLUTION 4: Turn on Plug and Play in Windows Services

Step 1: Press Windows key + R and type “services. MSC” without double quotation and click ok.

Step 2: On Windows services drop-down menu, scroll down and find “Plug and Play”.

Step 3: Right Click on “Plug and Play” and select Restart.

Step 4: Reboot your computer.

Solution 5: Disable Fast Startup

Step 1: Press Windows key + S and find the Control Panel.

Step 2: Open Control Panel.

Step 3: Click on Power Options.

Step 4: On the power options page, click on Choose what the power buttons do on the left side menu.

Step 5: Uncheck Turn on Fast Startup and Click save changes.

Step 6: Reboot your computer and check if the issue is resolved.

SOLUTION 6: Change the USB Selective Suspend Settings

Step 1: Select “Power Options” and click on “Show additional plans”

Step 2: From the drop-down menu, select “Change settings that are currently unavailable”

Step 3: Select “High performance” and click on “Change plan settings”

Step 4: After that, click on “Change advanced power settings”

Step 5: Locate USB settings and use them to expand the same.

Step 6: Expand USB selective suspend setting. Disable both On battery and Plugged in settings.

Step 7: Click on the “Apply” button on the lower right-hand corner of the window.

Step 8: After performing all these actions, restart your computer to check whether the issue is fixed or not.


These are some of the most effective methods that are all proven to resolve this error most of the time. You can also try plugging in a different USB device to check if your computer’s USB controller is working properly. If the problem still occurs, go to the nearest service centre and ask them to check your USB device and your computer. These are not the only solutions to get rid of the Unknown USB Device(Device Descriptor Request Failed) error. Browse them all and apply them until and unless you fix the error from its root cause.


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