出于安全考虑，微软已调整 Windows Hello 在黑暗环境中的面部解锁机制
自 2025 年 4 月起，有用户发现，原本可以在黑暗中顺利使用的 Windows Hello 面部解锁功能已经失效。事实上，这并不是系统 bug，而是微软出于安全考虑主动对 Windows Hello 的面部解锁机制进行了调整。
简单来说，新的 Windows Hello 解锁机制要求红外传感器和摄像头同时参与认证过程。由于在黑暗中，摄像头对面部的识别能力较差，这就导致了在黑暗中 Windows Hello 无法按照以往的方式完成设备解锁。
以下是有关 Windows Hello 运行机制的具体更改变化：
BY 微软新闻频道
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