How to fix unknown USB device port reset failed?

USB devices are an integral part of our daily lives, as they allow us to connect various peripherals to our computers effortlessly. However, encountering issues such as an “unknown USB device port reset failed” can be frustrating and hinder the functionality of these devices. Fear not, as this article aims to provide you with solutions to fix this issue and get your USB devices up and running smoothly again.

What does “unknown USB device port reset failed” mean?

When you receive the message “unknown USB device port reset failed,” it indicates that your computer is unable to recognize and communicate with a USB device connected to one of its ports. This issue can occur due to various reasons, including driver conflicts, power supply problems, or faulty USB ports.

Causes of “unknown USB device port reset failed” error:

1. **Outdated or incompatible drivers:** The USB device may not be compatible with the existing drivers on your computer or may require a driver update.
2. **Power supply issues:** Inadequate power supply to the USB port can prevent proper communication with the connected device.
3. **Faulty USB port:** Physical damage or wear and tear of the USB port can lead to connectivity issues.
4. **Malfunctioning USB device:** The problem might lie with the USB device itself, which may require a firmware update or replacement.
5. **Conflicting applications:** Certain software or applications on your computer can interfere with USB device recognition and communication.
6. **Corrupted system files:** Corruption or conflicts within system files can disrupt proper functioning of USB ports and connected devices.
7. **Windows update issues:** Some Windows updates may cause compatibility issues with USB devices.

How to fix unknown USB device port reset failed?

Now that we understand the possible causes, let’s explore some solutions to resolve the “unknown USB device port reset failed” error:

1. **Restart your computer:** Start with a simple restart, as it helps clear temporary glitches and refreshes system settings.
2. **Try a different USB port:** Connect the USB device to another available USB port on your computer to rule out any issues with the specific port.
3. **Disconnect other USB devices:** If you have multiple USB devices connected, try disconnecting all except the affected one and check if it is recognized.
4. **Update USB drivers:** Visit the manufacturer’s website and download the latest drivers for your USB device. Install them and restart your computer.
5. **Update system drivers:** Use Windows Device Manager or third-party driver updating software to check for and install any pending driver updates.
6. **Check power supply:** Ensure that your USB device is receiving sufficient power by connecting it to an external power source or using a powered USB hub.
7. **Disable power saving:** Prevent the USB port from entering power-saving mode by adjusting the power options in your computer’s settings.
8. **Scan for hardware changes:** Open Device Manager, right-click on the USB device with the error, and select “Scan for hardware changes” to refresh the connection.
9. **Reset USB controllers:** In Device Manager, expand the “Universal Serial Bus controllers” section, right-click on each USB Root Hub, and select “Uninstall device.” Restart your computer, and Windows will automatically reinstall the drivers.
10. **Run Windows Troubleshooter:** Use the built-in Windows Troubleshooter to identify and resolve any issues related to USB device recognition.
11. **Check for Windows updates:** Ensure that your computer has the latest Windows updates installed, as they often include bug fixes and compatibility improvements for USB devices.
12. **Consult technical support:** If none of the above solutions work, reach out to the manufacturer’s technical support for further assistance.


Encountering the “unknown USB device port reset failed” error can be more than a minor inconvenience. However, by following the aforementioned solutions, you should be able to identify and resolve the issue, allowing your USB devices to function properly again. Remember to keep your drivers up to date, check for power supply issues, and troubleshoot any conflicting software. In case of persistent problems, do not hesitate to seek professional assistance.

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