Refresh the USB controller and USB root hub On the right panel, click Check for updates.In the left panel, select Windows Update.In the Settings panel, click Update & Security.How to install Windows Updates on Microsoft Windows 10 and Windows 8 or 8.1? Windows updates can solve specific problems, provide protection from malicious attacks, or even add new features to the operating system. Windows updates can support your Windows operating system in many ways. If the issue persists, proceed to the next step.ĭownload and install Microsoft Windows updates 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. If the device came with a CD/DVD with the USB drive, install the device driver before connecting the device to the PC.Ī red 'X' indicates a disabled device.Check the box next to Delete the driver software for this device (if it is shown).Right-click on the device, and select Uninstall.Remove any USB hubs and connect the device into a USB port on the PC.Other devices are sometimes also listed as 'Unknown device' indicates that the device or its drivers are not available or installed. Note that a device that is in a problem state can be functioning.

To enable the device, right-click on the device and select Enable.Ī black exclamation point (!) on a yellow field indicates the device is in a problem state. Note that this does not indicate that there is a problem with the device.

Expand the Universal Serial Bus controllers section.Ī black down-arrow on a white field on a device resource in Device Manager indicates that the device has been disabled.

Type devmgmt.msc in the run dialog box and press the Enter key.

Press the Windows logo + R key on the keyboard.

To view the USB devices in Windows Device Manager: Windows Device Manager can help you identify and troubleshoot any device driver related issues with the USB device.

Contact the device manufacturer to know the warranty status and repair options for the USB device.

If the device is not detected and is not working on another known-good PC too, the USB device is faulty. If there is no damage, proceed to the next step.Ĭheck 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 you do notice physical damage, contact CyberPowerPC support to learn more about repair options that are available in your region. Disconnect the USB device and the cable before using the can of compressed air to clean the ports and connectors. Warning: Do not use any type of cleaning solution, water or even a damp cloth.

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