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[MacBook] M1 MBA 接华为会议屏 黑屏

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咨询一下各位

我的设备:M1 MacBook Air 2020 ,只有 2 个 C 口,macOS 13.6.6
外接设备:华为会议屏,只有 HDMI in

我的接入方式:
1.C 转 HDMI 线一根
2.C 口扩展坞+HDMI 标准线

结果:
这两种接入方式,MBA 都可以正确识别到外屏,型号、分辨率、刷新率识别都正常,但华为会议屏就是黑屏,不显示任何内容。设置为镜像显示器还是独立显示器都没用。用安全模式启动 MBA 也还是黑屏。

同时:
我的 MBA 用一样的线接我的显示器可以正常显示。
借用同事的 MacBook Pro ( Intel 带 touch bar 的,macOS 14.1 ),用两种接入方式都可以正常显示。而且

按道理来说应该不是系统版本的问题吧。百思不得其解,求助各位大佬。

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