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  • Blog Post: Why does my USB device work on Windows 8.0 but fail on Windows 8.1 with code 43?

    Authored by Martin Borve [MSFT] Updated 1/27/2014 by Philip Ries to show how to use Message Analyzer and its latest parsers to more easily diagnose the problem. Updated 7/10/2014 by Vivek Gupta to include the Workaround information. A few USB devices when connected to a port of an Enhanced Host...
  • Blog Post: Link Power Management (LPM) in USB 2.0

    Authored by Vivek Gupta [MSFT] In this blog, I’ll provide an overview of the USB 2.0 Link Power Management (LPM) feature and how it can be used with the Selective Suspend mechanism to reduce system power consumption. I’ll also describe the common pitfalls in LPM implementation in USB controllers...
  • Blog Post: Debugging your USB Windows Store app with TraceView

    Authored by Philip Ries [MSFT] Last week, at the Microsoft Build Developer Conference-2013 , a new Windows Runtime API ( Windows.Devices.Usb ) was unveiled for Windows 8.1 Preview . Windows Store apps can now use the new API to communicate with USB devices. For more information, see this video . ...
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