9 Ways How to Fix USB Device Not Recognized in Windows 10, 8.1, 8, and 7

In Computer Skills, Hardware Skills

The “USB Device Not Recognized” error message will appear when Windows 10 fails to recognize a USB device or unknown USB device that is connected to the PC. Currently, there is no definite way to deal with unknown USB device error on Windows computer. So, here we list some ways that possibly work to fix USB device not recognize in Windows 10. But these methods below may also work to fix unknown USB device on Windows 8.1, 8, 7, and XP as well. So, let’s begin to figure out which repair method that works for your computer.

Repair USB Device Not Recognized Problem on Windows Computer

How to Fix USB Device Not Recognized on Windows 10

Here are 9 repair methods that may work for your Windows computer to fix USB not recognized problems. It starts from the simplest way how to Windows USB error. I recommend you try from the very first method and I hope the earliest way could work for your Windows PC so that you shouldn’t go into the next unknown USB device repair method.

1. Plug the USB Device to PC Directly

One of the most possible causes of USB Not Recognized is usually due to the external USB hub connection damage. If this is the root cause of the USB connection error, you can try to connect your device to a built-in USB port. If the USP port doesn’t work, go into the next repair method.

2. Try to Connect the USB Device to Another USB Slot

Oftentimes this USB not recognized repair method might not work. But in case you need to use the USB device in a hurry, this is the simplest way. The current USB slot you are using may not recognize the device. But if you have another USB slot on your computer, try to connect the USB device into it. If it won’t fix and you still get a USB device not recognized error message, try another USB slot if possible, and so on. If you are using a home PC, the USB ports at the back of your computer casing are possibly working as they are connected directly to the main board.

3. Restart Your Windows Computer

Many Windows errors may get fixed simply by restarting the computer. So, before you proceed to the next USB device not recognized repair method, it’s a good idea to restart your Windows computer first. But make sure you save all your work when it comes to restarting the computer. Then, it’s recommended that you unplug the USB device before clicking the Restart button. This way will make the device be recognized later on, in case this method that should work to repair USB device not recognized on your Windows PC.

4. Unplug Your PC from the Power Supply and Reconnect Again After 20 Minutes

This USB not recognized repair method may look ridiculous, but some Windows PCs with “USB Device Not Recognized” error may get fixed and start to use the USB device after doing this. Before you unplug the power supply from the socket, make sure you turn off your computer properly. So, turn off your computer first. Wait around 15 to 20 minutes before you re-connect the power cable to the power supply again. Then, turn your computer on and try to connect the USB device and figure out whether this way works for you. Many unknown USB device issues on Windows PC got fixed using this repair method.

5. Update the Device Driver to Fix Unknown USB Device

Well, the fifth way to repair unknown USB device is by updating the driver. To update the driver on your Windows computer. Click the “Start” button and type “devmgmt.msc” (without quotes) on the search tool or you can access it through the Control Panel and click on Device Manager.

Update the device driver to fix unknown device on Windows computer.

There you can figure out whether there’s an unknown USB device plugged on the USB port. If you find out that there’s an unknown device as shown in the picture above, right-click on it and click Properties. Then, click Driver and click Update Driver. Take a look at the preview below.

Update the Device Driver on WIndows

If this unknown USB device repair doesn’t work, you can also try downloading the driver for the original manufacturer’s website of the driver. But if the device is actually a flash drive (flash disk), then it’s not a driver problem.

6. Update the USB driver

Update the USB Driver to Fix USB Not Recognized

Another possibility that your USB not recognized a connected device is due to the USB driver has been outdated. To update your USB driver, follow the easy steps below;

  • Step 1: Open Device Manager on your Windows computer from the Start options on your Windows and then click the Device Manager option.
  • Step 2: Double-click the Universal Serial Bus Controllers and find out if any USB devices with unknown labels. In case you find out that there is an Unknown USB device, simply right-click on each of them and click Update Driver Software. Then, click the Search automatically option to update the driver automatically.

7. Update the Generic USB Hub(s) Driver

Update the generic USB Hub(s) driver to fix USB connection error

Apart from the device driver itself, the USB Device Not Recognized error can also be caused by the outdated USB Hub driver. To update the USB Hub(s) driver, do the following steps;

  • Step 1: Open Device Manager just like the previous repair method. Then, extend the Universal Serial Bus Controllers option to see the available Generic USB Hubs.
  • Step 2: Right-click on the first Hub option that you find and click Update Driver Software. Click Browse my computer for driver software, click Let me from a list of device drivers on my computer, select Generic USB Hub, and then, click the Next button.

Wait for a while and then you should see a message that said: “Windows has successfully updated your driver software”. Then, try to connect your USB device and figure out whether or not you get a “USB Device Not Recognized” error message. If this error still persists, go to the next repair method.

8. USB Root Hub

Do a USB Root. This repair method would be quite effective if there’s no hardware damage on your computer. To do so, open the Device Manager, enter the USB Serial Bus Controllers, and right-click the USB Root Hub, and then click Properties.

Next, click on the Power Management tab and uncheck “Allow the computer to turn off this device to save power” in the box. If you have more than one USB Roots, you need to repeat the steps for each USB.

Do USB Root to Fix USB Device Not Recognized

Click “OK” and then restart your computer. You can try to plug in the USB device again and figure out whether this repair method works for your Windows computer. If you find out that the USB Device Not Recognized message still persists, go back to the power management tab and check the box again. The unknown USB device issue should be fixed on your Windows PC.

9. Uninstall Hidden Devices

There may be many devices that have been installed on your computer which you are no longer using them. This issue will make hidden devices that cause the USB device not recognized message pops up. The hidden devices can crash and will make your computer not responding to USB commands. So, figure out the hidden devices by typing a command prompt. But firstly open the Command Prompt application by simply searching it at the Start’s search tool on your Windows. Then, insert the following command and hit Enter.



start devmgmt.msc

Find Hidden Devices on Windows Using Command Prompt

When the process of this command is loading you need to click on the “View” menu and click on “Show Hidden Devices“. Then, right-click on it and click Uninstall.

Uninstall Hidden Devices on Windows PC

That’s all how to fix USB Device Not Recognized on Windows with a hope that one of this repair methods work for you. If you have any question or want to suggest a possible way hot to repair USB not recognized error, you might want to add it to the comment box below.

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