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(Debugging steps to help investigate the root-cause, not a solution)
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 out with 'Code 43'.
The instructions below show how to capture a log file that will help diagnose this, based on the Microsoft Windows USB blog here:
- Open an elevated command prompt window
One way is to type 'command prompt' on the Start screen. Right-click on the Command Prompt shown in the result, and select Run as administrator.
- Start a capture session by pasting this sequence of commands into the command prompt window:
logman create trace -n usbtrace -o %SystemRoot%Tracingusbtrace.etl -nb 128 640 -bs 128
logman update trace -n usbtrace -p Microsoft-Windows-USB-USBXHCI (Default,PartialDataBusTrace)
logman update trace -n usbtrace -p Microsoft-Windows-USB-UCX (Default,PartialDataBusTrace)
logman update trace -n usbtrace -p Microsoft-Windows-USB-USBHUB3 (Default,PartialDataBusTrace)
logman update trace -n usbtrace -p Microsoft-Windows-USB-USBPORT
logman update trace -n usbtrace -p Microsoft-Windows-USB-USBHUB
logman update trace -n usbtrace -p Microsoft-Windows-Kernel-IoTrace 0 2
logman start -n usbtrace
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- Perform the action that you want to capture. For example, plug in a USB flash drive that shows up as an Unknown device in Device Manager. Keep the command prompt window open.
- Stop the session when you're finished by pasting this sequence of commands into the same command prompt window:
logman stop -n usbtrace
logman delete -n usbtrace
move /Y %SystemRoot%Tracingusbtrace_000001.etl %SystemRoot%Tracingusbtrace.etl
- Upload the file %SystemRoot%Tracingusbtrace.etl to SkyDrive or similar, e.g. see instructions to upload to SkyDrive here:
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- Send a link to the uploaded file.