Critical: BIOS Supervisor Password Corrupted by Windows Update V2222 - Lecoo N176A (Case #7100831337)

Summary: I am seeking technical assistance regarding a BIOS/UEFI security lockout caused directly by an automatic Windows Update. After the installation of firmware version V2222, the Supervisor Password logic in the NVRAM has been corrupted.

Device Information:

Model: Lecoo Bellator N176A (AMD Ryzen 9 8940HX)

• Corrupted Firmware: LecooN176A - Firmware - ????? (BIOS V2222)

Update Date: March 25, 2026 (via Windows Update)

Microsoft Support Case ID: 7100831337

The Issue:

Windows Update pushed the firmware update automatically.

Immediately after the reboot, previous BIOS passwords were wiped.

1. Upon setting new passwords: The User bios Password works, but the Supervisor bios Password is rejected as "Invalid" every time I enter it, despite being certain of the characters.

The system still boots into Windows 11 normally, proving the hardware is functional, but the UEFI NVRAM synchronization for security settings has failed.

Technical Analysis: This appears to be a synchronization failure between the Windows UEFI Capsule Update mechanism and the Physical Presence Interface (PPI) logic on the motherboard. The update has caused a "Logic Lock" where the BIOS fails to verify the Supervisor credentials it just stored.

Request for Assistance: As Microsoft Support (Case #7100831337) has confirmed this update was delivered via Microsoft servers, I am looking for:

1. A software-based method (via PowerShell or a specific Windows-based tool) to trigger a PPI reset or clear the corrupted BIOS flags.
2. Technical documentation or the Update Manifest for this specific firmware to provide to the OEM (Lenovo).
3. Any known workaround for NVRAM corruption issues related to InsydeH2O BIOS updates pushed through Windows 11.

Link driver from Lenovo/Lecoo: https://iknow.lenovo.com.cn/detail/429447

THANK YOU! And Lenovo/Lecoo is not supported in my country.