HDMI output problem of MacBook Air M1

I currently use an USB-C to HDMI adaptor of Apple to output the HDMI signal to a video mixer or a Decimator 12G-Cross. Do not understand why there is only audio output but black on screen. I have output the HDMI signal to a monitor. It works ok. However, when outputting it to HDMI to SDI converter or directly to a Video Mixer, there is no video output. Please kindly help.

Posted on Dec 20, 2022 8:59 AM

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HDMI output problem of MacBook Air M1

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