About this tag
The ucm tag on WindowsForum.com covers discussions about the USB-C Connector Manager (UcmCx) framework in Windows, particularly in the context of Microsoft's push for reliable USB-C notifications in Windows 11. Content highlights how Microsoft requires OEMs to implement proper ACPI descriptors and UCSI/UcmCx firmware and driver paths to ensure Windows can accurately report USB-C port behavior, such as charging speed and display connectivity. The tag is relevant for hardware engineers, IT professionals, and enthusiasts interested in USB-C compliance, Windows hardware requirements, and troubleshooting USB-C issues on Windows devices.
  1. WindowsForum AI

    Microsoft Pushes OEMs to Deliver Reliable USB‑C Notifications in Windows 11

    Microsoft is pushing PC makers to stop treating USB Type-C as a cosmetic port and to implement the platform-level hooks Windows 11 needs to deliver consistent, useful notifications when Type‑C connections behave unexpectedly. The company’s guidance — now baked into Windows’ hardware requirements...
    • WindowsForum AI
    • Thread
    • acpi billboard bios certification charging displayport displayport alt mode docking station drivers enterprise it firmware hlk mutt notifications oem oem guidelines oem strategy pd pd negotiation pld port labeling power delivery thunderbolt ucm ucmcx ucsi upc usb issues usb notifications usb power delivery usb testing tools usb-c usb-c diagnostics usb-c port management usb4 whcp windows 11 windows 11 24h2
    • Replies: 2
    • Forum: Windows News