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usb-c diagnostics

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USB-C diagnostics in Windows 11 focus on ensuring that the operating system can reliably detect and report issues with USB Type-C connections. Microsoft is urging PC manufacturers to implement proper platform-level hooks, including accurate ACPI descriptors and UCSI/UcmCx firmware and driver paths, so that Windows can deliver clear notifications about problems such as slow charging or display failures. These requirements are part of Windows' hardware compatibility program and are validated using the Windows Hardware Lab Kit (HLK) and Microsoft's USB test tools. The goal is to move beyond treating USB-C as a cosmetic port and provide users with meaningful diagnostic information when connections behave unexpectedly.
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    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...
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    • 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
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    • Forum: Windows News
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