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HDMI output no signal

Source:Shenzhen Kai Mo Rui Electronic Technology Co. LTD2020-06-04

1. Try another HDMI cable? 

2. Is the HDMI output resolution of the device greater than the maximum resolution supported by the HDMI display? If it is greater than that, there will be a black screen and no signal output. 2. System configuration-preview configuration, whether the corresponding HDMI output port is enabled audio preview, if enabled, turn it off.

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