What to do if an HDMI device does not work correctly while connected to Philips TV? (non UHD) | Philips
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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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Troubleshooting - No 4K signal when connected to a Blu Ray player via HDMI. - Panasonic North America
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