![]() Perform the action that you want to capture.Logman update trace -n usbtrace -p Microsoft-Windows-Kernel-IoTrace 0 2 Logman update trace -n usbtrace -p Microsoft-Windows-USB-USBHUB Logman update trace -n usbtrace -p Microsoft-Windows-USB-USBPORT Logman update trace -n usbtrace -p Microsoft-Windows-USB-USBHUB3 (Default,PartialDataBusTrace) Logman update trace -n usbtrace -p Microsoft-Windows-USB-UCX (Default,PartialDataBusTrace) Logman update trace -n usbtrace -p Microsoft-Windows-USB-USBXHCI (Default,PartialDataBusTrace) Logman create trace -n usbtrace -o %SystemRoot%\Tracing\usbtrace.etl -nb 128 640 -bs 128 ![]() ![]() Start a capture session by pasting this sequence of commands into the command prompt window:.Right-click on theĬommand Prompt shown in the result, and select Run as administrator. One way is to type "command prompt" on the Start screen. The instructions below show how to capture a log file that will help diagnose this, based on the Microsoft Windows USB blog here: This is for anyone who's encountering an issue with devices that don't work when plugged into a USB 3 port on a machine running Windows 8, with the symptom that the device is not functional AND the Device Manager app shows the device yellow-banged (Debugging steps to help investigate the root-cause, not a solution)
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