Lenovo key board USB fingerprint scanner Pass Key issue

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2025-11-05T06:30:04.7066667+00:00

Installed 25H2 as a clean install (using MS Edge browser ) and are having an issue my fingerprint scanner it works for the OS log on screen and Microsoft sites, E-Bay, Google etc. but another web site called My Gov, I now have a popup window with Microsoft saying to insert your security key into the USB port.

This web site was working on 23H2.

Microsoft Edge | Other | Windows 11
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  1. IGYQ 22,065 Reputation points Independent Advisor
    2025-11-05T08:12:09.09+00:00

    Hi!

    Welcome to Microsoft Q&A forum.

    This is a known compatibility issue introduced with Windows 11 25H2, affecting external USB fingerprint readers (like Lenovo’s USB Fingerprint Keyboard sensors) while using Windows Hello authentication via FIDO2/WebAuthn on specific government or banking websites.

    As a result, the update now enforces “cross-platform authenticator” behavior strictly for external USB devices. Thus, many fingerprint readers, including Lenovo’s, are treated as USB Security Keys (FIDO2 hardware keys) now. That's why you see the Insert your security key" alert.

    Sites like myGov haven’t yet updated their authentication compatibility for this new API behavior, so they fail to trigger the correct Windows Hello prompt.

    Workaround that you can do:

    Use Windows Hello PIN instead of fingerprint

    • When myGov asks for sign-in, choose “Use another sign-in method” → “Windows Hello PIN”.
    • This will bypass the fingerprint-to-security-key handoff.

    Use the old authentication stack via another browser

    • Try Firefox or Chrome (not Edge) — they still use the pre-25H2 WebAuthn implementation.

    You’ll likely see the correct fingerprint prompt there.

    Was this answer helpful?

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