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USB Device not Recognised Error Fixed

USB device malfunctioned and not recognized is an error that usually occurs in Windows 10/8/7/XP when you plugin an external USB device or Android device to a PC. When it happens, the USB will not show up on your computer. In this case, you will not be able to open your device or access your data. In different situations, the error is followed by different messages:

1. Try a different computer

Plug your USB device into a different computer. If it doesn’t work on the second PC, your USB could be at defective. It’s time to get a new one.

2. Plug out other USB devices

Too many USB devices on the same machine might create a conflict, which could stop the running of some devices.

To avoid possible conflict among the devices, it is suggested that you disconnect other USB devices and see if the device that you intend to use works.

3. Restart

Sometimes, a simple reboot fix unrecognized USB device. Plug your USB device out, wait for a few minutes, then restart your computer. Plug your USB device back in again.

  1. Update the USB port driver

If the above methods don’t work to solve your problem, it’s very likely that you’re using a wrong USB driver altogether.

There are two ways for you to update your USB port driver: manually or automatically.

Manual driver update – You can update your USB port driver manually by going to the manufacturer’s website of your PC, and searching for the most recent correct driver for it. Be sure to choose the only driver that is compatible with your variant of Windows.

5. Change the Power Management setting for the USB Root Hub

  1. On your keyboard, press theWindows logo keyand R at the same time. Type devmgmt.msc and press Enter.
  2. Click the down arrow to expand Universal Serial Bus controllers. Right-clickUSB Root Hub optionand click Properties.
  3. Go to Power Managementtab and uncheck the Allow the computer to turn off this device to save power. Click OK.

If you have more USB Root Hubs, you need to repeat this operation a couple of times. Please remember to click OK after each performance.

After the settings, plug your USB device back in to see if your computer is able to recognize it.

If your USB device is still not working after this, please check the Allow the computer to turn off this device to save power back on.

6. Change the USB selective suspend settings

  1. Go to Control Paneland click Power Options.
  2. Click Change plan settings.
  3. Click Change advanced power settings.
  4. Expand USB settingsand USB selective suspend settings.
  5. Disableboth On battery and Plugged in settings.

Click Apply and OK. 

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