Can't figure out if there is a HDMI-CEC setting on tv. I have the Costco TCL 55S434 and plugged Roku Streambar Pro into the HDMI (ARC) and I can't power it on/off
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What Is HDMI CEC? Everything You Need to Know!
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How I solved HDMI ARC problem between a set-top box, TV and Sonos arc using scissors. | by Boni Gopalan | Medium
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Amazon Fire TV: How to Turn On HDMI-CEC ARC / eARC - YouTube
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ARC / CEC (HDMI) | AUDIVO
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
