How to Troubleshoot USB Issues

Having trouble with USB devices not detected or recognized on your CyberPowerPC computer? Here are some troubleshooting steps that can help resolve USB issues on your CyberPowerPC computer like USB devices not detected or recognized, working intermittently, USB driver error, etc.

Troubleshooting

Before troubleshooting USB issues on your PC, ensure to disconnect the USB device from your PC.

Expand the sections below for more information and follow the troubleshooting steps in a sequence.

Check USB ports or cables for physical damage

USB performance issues may occur if there is any type of damage caused to the USB cable or the USB ports on the PC. You may experience symptoms like USB device stops working, works intermittently or device wiggles when you plug it in etc.

USB cables and ports are exposed to elements that may cause a build-up of dust or even physical damages. If you notice that the port or connector has dust or other contaminants, use a can of compressed air to clean the ports and connectors.

If you do notice physical damage, contact CyberPowerPC support to learn more about repair options that are available in your region. If there is no damage, proceed to the next step.

Check USB device functionality on another device To verify if the USB device is faulty, unplug the USB device from your PC and plug it into another PC. If the device is not detected and is not working on another known-good PC too, the USB device is faulty. Contact the device manufacturer to know the warranty status and repair options for the USB device.

Check Windows Device Manager for errors

Windows Device Manager can help you identify and troubleshoot any device driver related issues with the USB device.

To view the USB devices in Windows Device Manager:

1. Press the Windows logo + R key on the keyboard.
2. Type devmgmt.msc in the run dialog box and press the Enter key.
3. Expand the Universal Serial Bus controllers section.

Symbol	Description	Troubleshooting steps
	A black down-arrow on a white field on a device resource in Device Manager indicates that the device has been disabled. Note that this does not indicate that there is a problem with the device.	To enable the device, right-click on the device and select Enable.
	A black exclamation point (!) on a yellow field indicates the device is in a problem state. Note that a device that is in a problem state can be functioning. Other devices are sometimes also listed as "Unknown device" indicates that the device or its drivers are not available or installed.	Plug the device into another USB port. Remove any USB hubs and connect the device into a USB port on the PC. Disconnect the device from the PC. Right-click on the device, and select Uninstall. Check the box next to Delete the driver software for this device (if it is shown). Click OK and restart the PC. If the device came with a CD/DVD with the USB drive, install the device driver before connecting the device to the PC.
	A red "X" indicates a disabled device. A disabled device is a device that is physically present in the PC and is consuming resources, but does not have a protected-mode driver loaded.	Plug the device into another USB port. Remove any USB hubs and connect the device into a USB port on the PC. Disconnect the device from the PC. Right-click on the device, and select Uninstall. Check the box next to Delete the driver software for this device (if it is shown). Click OK and restart the PC. If the device came with a CD/DVD with the USB drive, install the device driver before connecting the device to the PC.

If the issue persists, proceed to the next step.

Download and install Microsoft Windows updates

Windows updates can support your Windows operating system in many ways. Windows updates can solve specific problems, provide protection from malicious attacks, or even add new features to the operating system.

How to install Windows Updates on Microsoft Windows 10 and Windows 8 or 8.1?

1. Right-click Start and click Settings.
2. In the Settings panel, click Update & Security.
3. In the left panel, select Windows Update.
4. On the right panel, click Check for updates.

Refresh the USB controller and USB root hub

If the problem persists, uninstalling the USB Host Controller and USB Root Hubs will force the PC to reinstall the USB root hub during restart.

1. Disconnect any USB devices connected to your PC, except the USB keyboard & mouse before proceeding to the next step.
2. Press the Windows logo + R key on the keyboard.
3. Type devmgmt.msc in the run dialog box and press Enter key.
4. In the Windows Device Manager window, expand the Universal Serial Bus Controllers section.
5. Right-click the USB Host Controller and select Uninstall.
6. Click OK to confirm and uninstall the USB Host Controller.
7. Repeat steps 5 & 6 to uninstall all the USB Host Controllers. Note: If the USB keyboard and mouse are not responding, manually force a restart and repeat steps 5 & 6. To force a shutdown, press and hold the power button for 20 seconds.
8. Restart your PC.

To refresh the USB root hub on your PC:

1. Disconnect any USB devices connected to your PC, except the USB keyboard & mouse before proceeding to the next step.
2. Press the Windows logo + R key on the keyboard.
3. Type devmgmt.msc in the run dialog box and press Enter key.
4. In the Windows Device Manager window, expand the Universal Serial Bus Controllers section.
5. Right-click the first USB Root Hub and select Uninstall.
6. Click OK to confirm and uninstall the USB Root Hub.
7. Repeat steps 5 & 6 to uninstall all the USB Root Hubs. Note: If the USB keyboard and mouse are not responding, manually force a restart and repeat steps 5 & 6. To force a shutdown, press and hold the power button for 20 seconds.
8. Restart your PC.

If the issue persists, proceed to the next step.

Perform Windows System Restore

System Restore is a built-in Windows tool designed to protect and repair the operating system. When something goes wrong with your PC, System Restore should be used prior to restoring the PC to factory defaults.

Select the Operating System installed on your PC to find more information about how to perform System Restore:

• Microsoft Windows 10

If the issue persists, proceed to the next step.

Restore your PC to factory defaults

If the diagnostic tests on the USB ports passed, it is most definitely an issue related to software installed on your PC. If the above troubleshooting steps did not resolve the issue, you can try to restore your PC to factory defaults as a last resort.

CyberPowerPC computers are built with a small amount of hard disk space reserved for reinstalling your operating system. This method is the easiest way to restore your PC to factory condition. The restoration process deletes all user data from the PC, so be sure to back up all your files prior to starting this process

Select the Operating System installed on your PC to find more information about how to restore your PC to factory defaults:

• Microsoft Windows 10

Article Version DK.01