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1. Check whether the row and column positions are set correctly.
2. Check whether the screen serial number is consistent with the controller box
HDMI outputs.
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1. Re
‐
plug the connector to prevent the socket interface is bad.
2. Wire quality (HDMI cable requirements in line with HDMI 1.4 standard)
3. Check the screen and the input source.
Packing List
1x HDMI 2.0 video wall controller
1x Remote
1x User manual