USBDeview v1.43 - View all installed/connected USB devices on your system

USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used.
For each USB device, exteneded information is displayed: Device name/description, device type, serial number (for mass storage devices), the date/time that device was added, VendorID, ProductID, and more...
USBDeview also allows you to uninstall USB devices that you previously used, and disconnect USB devices that are currently connected to your computer.
You can also use USBDeview on a remote computer, as long as you login to that computer with admin user.

http://www.nirsoft.net/utils/usb_devices_view.html

USBDeview v1.43 - View all installed/connected USB devices on your system

(Freeware) Microsoft USBView - USB Connection Viewer

USBView is a free utility from Microsoft  that displays the USB connection tree and shows the USB devices that are connected to it together with their configuration data.  This is very useful for debugging USB enumeration errors.  USBView runs under Windows 98, ME, 2000 and XP.

 

USBView is available for download as a .zip file by clicking here.

 

 

(Freeware) Microsoft USBView - USB Connection Viewer

(Freeware) Unknown Device Identifier v5.02 (System Utility Freeware)

Unknown Device Identifier enables you to identify the yellow question mark labeled Unknown Devices in Device Manager. And reports you a detailed summary for the manufacturer name, OEM name, device type, device model and even the exact name of the unknown devices. With the collected information, you might contact your hardware manufacturer for support or search the Internet for the corresponding driver with a simple click. With this utility, you might immediately convert your unidentified unknown devices into identified known devices and find proper driver on the Internet and contact the hardware device manufacturer or vender. Known devices recognized by Microsoft Windows will also be analyzed independent of the operating system.

http://www.zhangduo.com/unknowndeviceidentifier.html

(Freeware) Unknown Device Identifier v5.02 (System Utility Freeware)