“We connected this Vizio Soundbar M21d-H8R to a TCL - 55” Class 5 Series QLED 4K UHD Smart Roku TV via the HDMI ARC.The soundbar and remote(s) are working fine, but when we select the HDMI ARC port in the Roku UI we get the message "No signal. Is it on?"”

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  Answered by VIZIO 3 years ago

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