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To update the drivers manually, go to the computer manufacturer’s website to download the latest drivers. You can update the drivers manually or automatically. To fix the problem, you can try to update the bluetooth drivers and chipset drivers. If the problem persists, try the next method.įaulty or outdated bluetooth/chipset drivers can cause the problem. Then follow the on-screen instructions to uninstall the device.Ģ) Restart your computer and check to see if the bluetooth unknown device issue is resolved. To do so:ġ) In Device Manager, right-click on Intel USB 3.0/3.1 eXtensible Host Controller and select Uninstall device. This method has been reported to work for many Windows 10 users. To fix bluetooth shown as Unknown USB Device issues, you can try to uninstall the USB host controller device. Intel Free Press, CC BY-SA 2.0, via Wikimedia Commonsĥ) Turn on your computer and see if the bluetooth device is back. (If your laptop doesn’t have a removable battery, skip this step). This is to drain the charge stored in the capacitors.Ĥb) Remove the battery. The steps vary depending on the desktop or laptop you’re using.Ĥb) Flip the PSU switch from 0-1 to turn it off (the switch is located on the case back).Ĥc) Press and hold the power button for 30-60 seconds. To do so:Ģ) In Device Manager, right-click on the unknown USB device and select Uninstall device, then follow the on-screen instructions to uninstall the device.Ĥ) Unplug your computer. One of the methods to fix the problem is to uninstall the unknown USB device, then shut down and turn on your computer. Method 4: Disable the USB Selective Suspend Settings Method 3: Update the bluetooth/chipset drivers Method 2: Uninstall the USB host controller

You may not have to try them all just try them one by one until you find the one that works for you. I’ve included four methods below to fix the problem.

Just use one of the methods below to fix the problem And in Device Manager, you noticed that the bluetooth driver is missing, and an Unknown USB device (Device descriptor request failed) device listed under the Universal Serial Bus controllers category. Your bluetooth device cannot be connected in Windows 10.