Ports with connected devices show a blue and red USB icon, while ports not currently in use show a blue USB icon.Heres a look at how you can use it to find out more about the USB ports in your system.
However, the USB display in Device Manage is less than ideal for tracking down the actual connections. Microsoft Usb Tool Driver Kit InstallationI recently discovered a little gem hidden away in the depths of the Windows Driver Kit installation called the USB Device Viewer. This tool provides you with an easy-to-use tree view, as shown in Figure A, for tracking down your USB ports and devices. Figure A The USB Device Viewer provides an easy-to-use tree view of the USB connections in your PC. Microsoft Usb Tool How To Get MicrosoftsIn this article, Ill tell you where and how to get Microsofts USB Device Viewer tool. Ill then show you how to use this handy tool to track down the USB devices attached to your system. This means that youll need to download and install the Kit to get the tool. However, once you find the tool, you can isolate it and then uninstall the Windows Driver Kit. Chances are that you wont want to have the entire kit sitting around on your hard disk unnecessarily taking up space. Figure C Make sure you select only the Debugging Tools For Windows check box. Microsoft Usb Tool Windows 10 SDK IsOnce the Windows 10 SDK is installed, launch File Explorer and navigate to the folder that matches your operating system type. If you are running a 32-bit version of Windows 10, navigate to: C:Program Files (x86)Windows Kits10Debuggersx86. Figure D Locate and select the two files that make up the USB Device Viewer tool. Once you have done so, you can access the Programs And Features tool in the Control Panel and uninstall the Windows Software Development Kit, as shown in Figure E. SEE: Classic Windows on a 35 computer: How to fire up Windows 3.1, 95, 98 and XP on your Raspberry Pi Overview When you launch the USB Device Viewer, shown in Figure F, you may see a variety of host controllers off the main branch on the tree view. Figure F The USB Device Viewer shows all the USB host controllers in your system. More specifically: A Host Controller that is identified as eXtensible or xHCI is a USB 3.0 host controller. A Host Controller that is identified as Enhanced or EHCI is a USB 2.0 host controller. A Host Controller that is identified as Universal UHCI or Open OpenHCD OHCI is a USB 1.0 host controller. Youll also notice that there are more host controllers, hubs, and ports shown in the tree than there appear to be in your system. For example, the tree in Figure F shows seven host controllers and 30 ports, yet my computer has only eight external USB ports: two USB 2.0 ports on the front and six USB ports on the back--4 USB 2.0 and 2 USB 3.0 ports. In a nutshell, the reason that there are so many items in the tree is that USB ports need to be able to support multiple USB versions. For example, a USB 2.0 port on your system will be connected to two host controllers--a USB 1.0 host controller and a USB 2.0 host controller. That also means that one physical port will be represented by multiple ports in the tree. Furthermore, in addition to the external USB devices that you connect to your system, there are a number of devices integrated into the PC that can be connected via a USB connection, such as an SD Card reader or a webcam. Of course, the way USB works in Windows is far more technically detailed than my simple description, but I think you get the idea. If you want to see the level of detail for yourself, check out the USB in Windows - FAQ page in the Microsoft Hardware Dev Center.) Using the tool Despite the complexity of USB in Windows, the USB Device Viewer is easy to use for tracking down USB connections. As you can see, the tree shows which ports have devices connected to them and which dont.
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