Unknown usb device port reset failed windows 11​

1. Unknown USB Device Port Reset Failed

The “Unknown USB Device (Port Reset Failed)” error in Windows 11 can be a frustrating issue. This error typically occurs when Windows is unable to properly communicate with a USB device, and it fails to reset the USB port associated with that device. This can prevent the device from functioning correctly or even being recognized at all. This comprehensive guide will explore the various causes of this error and provide detailed solutions to resolve it.

2. Common Causes of the Error

2.1 Outdated or Corrupted USB Drivers

Explanation: USB devices rely on specific drivers to communicate with the Windows operating system. If these drivers are outdated, they may not be compatible with the latest version of Windows 11. Additionally, corrupted drivers can lead to communication issues. For example, if a driver file has been accidentally modified or damaged during a software update or system crash, the USB device may not be able to establish a proper connection, resulting in the “port reset failed” error.

Example: A user has an external hard drive that worked fine on Windows 10. After upgrading to Windows 11. they start receiving the “Unknown USB Device (Port Reset Failed)” error. The driver for the external hard drive was designed for Windows 10 and has not been updated to work with Windows 11.

2.2 Hardware Issues

USB Cable Problems: Faulty USB cables can be a common cause of this error. A damaged cable may not be able to transmit data correctly between the USB device and the computer. This can be due to physical damage, such as a frayed cable or a bent connector. For instance, if a USB cable has been repeatedly bent at the same spot, the internal wires may break, leading to intermittent or no connection.

USB Port Malfunctions: The USB port on the computer itself may be malfunctioning. This could be due to dirt, debris, or physical damage. Over time, dust and lint can accumulate in the USB port, preventing proper contact between the device and the port. Additionally, if the computer has been dropped or physically damaged, the USB port may be loose or otherwise non – functional.

Device Hardware Failure: The USB device itself may have a hardware failure. For example, an external USB flash drive may have a corrupted internal circuit board, or a USB – connected printer may have a malfunctioning USB interface. This can cause the device to be unrecognizable to the computer and trigger the port reset failed error.

2.3 Power – Related Issues

Insufficient Power Supply: Some USB devices require a certain amount of power to operate correctly. If the USB port is unable to provide enough power, the device may not function properly. This is often the case with high – power – consuming devices such as external hard drives or USB – powered speakers. For example, if an external hard drive is connected to a USB 2.0 port that provides less power compared to a USB 3.0 port, and the hard drive requires more power, it may result in the “port reset failed” error.

Power Management Settings: Windows 11 has power management features that can sometimes interfere with USB device operation. If the power management settings are configured to turn off USB ports to save power, it can cause issues when trying to use a USB device. The device may not receive the necessary power or signals to function correctly, leading to the error.

2.4 Software Conflicts

Antivirus or Security Software: Some antivirus or security software can interfere with USB device operations. These programs may block the communication between the USB device and the computer, thinking that it could be a potential security threat. For example, a security software with overly aggressive scanning settings may flag a legitimate USB device as a potential malware carrier and prevent it from being recognized, causing the port reset failed error.

Other Installed Software: Other third – party software installed on the computer may also conflict with USB device drivers. For instance, if a recently installed software modifies system settings related to USB communication or uses resources that the USB device also needs, it can lead to communication failures and the associated error.

2.5 Windows System Corruption

Registry Corruption: The Windows registry stores important configuration information for the operating system and installed applications. If the registry entries related to USB devices are corrupted, it can cause issues with USB device recognition. For example, incorrect registry keys that define how the system communicates with USB ports or devices can lead to the “port reset failed” error. This can occur due to improper software uninstallations, system crashes, or malware infections.

System File Corruption: Corrupted system files can also be a culprit. Windows system files are essential for the proper functioning of all hardware and software components. If files related to USB device support, such as those in the \Windows\System32\drivers folder, are corrupted, it can prevent the system from correctly communicating with USB devices.

3. Solutions to Resolve the “Unknown USB Device (Port Reset Failed)” Error

3.1 Update USB Drivers

Using Device Manager:

Press the Windows key + X and select “Device Manager” from the menu.

In the Device Manager window, expand the “Universal Serial Bus controllers” category.

Right – click on each USB device listed (such as USB Root Hub, USB Mass Storage Device, etc.) and select “Update driver”.

Choose the option “Search automatically for updated driver software”. Windows will then search for the latest drivers online and install them if available.

If Windows does not find an updated driver, you can visit the manufacturer’s website of the USB device. For example, if it’s an external hard drive, go to the hard drive manufacturer’s website. Look for the support or downloads section, enter the model number of your device, and download the latest Windows 11 – compatible driver. Then, install the driver manually by double – clicking on the downloaded file and following the on – screen instructions.

Windows Update: Sometimes, Windows Update can include updated USB drivers. To check for updates, go to “Settings” > “Update & Security” > “Windows Update”. Click on “Check for updates”. If there are any available updates, including driver updates, install them. After the update is complete, restart the computer and check if the USB device works.

3.2 Check and Replace Hardware Components

Inspect and Replace USB Cables: Carefully examine the USB cable for any signs of physical damage, such as frayed wires, bent connectors, or loose ends. If you find any damage, replace the cable with a new one. For example, if you are using a USB cable to connect an external hard drive, purchase a high – quality replacement cable from a reliable source. Then, reconnect the USB device to the computer using the new cable and see if the error persists.

Clean and Test USB Ports: Use a can of compressed air to gently blow out any dust or debris from the USB port on the computer. Make sure to hold the can upright and blow air into the port at a safe distance. After cleaning, try connecting the USB device to a different USB port on the computer. If the device works in the new port, it indicates that the original port may be faulty. If possible, test the USB device on another computer to confirm that the problem is not with the device itself.

Check USB Device Hardware: If the USB device is suspected to have a hardware failure, you may need to have it repaired or replaced. For example, if an external hard drive makes unusual noises or fails to spin up, it may have a mechanical or electrical problem. You can try connecting the hard drive to another computer to confirm. If it still doesn’t work, consider taking it to a professional data recovery or hardware repair service.

3.3 Adjust Power – Related Settings

Check Power Supply for USB Devices: Ensure that high – power – consuming USB devices are connected to a USB port that can provide sufficient power. If you are using an external hard drive, consider connecting it to a USB 3.0 port if available, as it typically provides more power than a USB 2.0 port. Some external hard drives also come with a separate power adapter. Make sure to use it if the drive requires additional power.

Modify Power Management Settings:

Press the Windows key + R, type “devmgmt.msc” and press Enter to open Device Manager.

Expand the “Universal Serial Bus controllers” category.

Right – click on a USB Root Hub (you may need to do this for each one) and select “Properties”.

In the Properties window, go to the “Power Management” tab.

Uncheck the box that says “Allow the computer to turn off this device to save power”. Click “OK” to save the changes.

Repeat this process for all USB Root Hubs in the list. Then, restart the computer and check if the USB device works.

3.4 Resolve Software Conflicts

Temporarily Disable Antivirus or Security Software: If you suspect that your antivirus or security software is causing the problem, temporarily disable it. However, be cautious as this leaves your computer vulnerable to security threats. In most cases, you can find the antivirus software icon in the system tray (near the clock). Right – click on the icon and select the option to disable the software for a short period, usually 15 – 30 minutes. Then, try connecting the USB device. If the device works, you may need to adjust the security software’s settings to allow USB device communication. For example, add the USB device or its associated software to the exceptions list in the antivirus program.

Uninstall Recently Installed Software: If you recently installed a new software program and started experiencing the USB device error, try uninstalling it. Press the Windows key + I to open the Settings app. Go to “Apps” > “Apps & features”. Find the recently installed software in the list, click on it, and select “Uninstall”. Follow the uninstallation wizard to remove the software. After uninstalling, restart the computer and check if the USB device works. If the problem is resolved, you may need to contact the software vendor to report the compatibility issue.

3.5 Fix Windows System Corruption

Run System File Checker (SFC):

Press the Windows key + X and select “Windows Terminal (Admin)”.

In the Windows Terminal, type “sfc /scannow” and press Enter.

The System File Checker will scan all protected system files and replace corrupted files with cached copies located in a compressed folder at %WinDir%\System32\dllcache. The process may take some time to complete.

After the scan is finished, it will display a message indicating whether any issues were found and fixed. If issues were found, restart the computer and check if the USB device problem is resolved.

Use DISM (Deployment Image Servicing and Management):

Open the Windows Terminal as an administrator (press Windows key + X and select “Windows Terminal (Admin)”).

First, run the command “DISM /Online /Cleanup – Image /CheckHealth” to check the health of the Windows image.

Then, run “DISM /Online /Cleanup – Image /RestoreHealth” to repair any detected issues. This command will download and replace corrupted system files from the Windows Update servers.

After running DISM, run the SFC command again (sfc /scannow) to ensure that all issues are resolved. Restart the computer and test the USB device.

Repair Windows Registry:

It is highly recommended to back up the registry before making any changes. To back up the registry, press the Windows key + R, type “regedit” and press Enter to open the Registry Editor.

In the Registry Editor, click on “File” > “Export”. Select a location to save the backup file and give it a name.