TCL Google TV: How to Enable HDMI-CEC and ARC? Turn On

Would you like to be able to operate every HDMI-connected device with a TCL remote by turning on HDMI-CEC and ARC on your TCL Google Smart TV? After turning on HDMI-CEC Device Control, the TCL Google TV remote is unable to control connected devices. Would you please advise what may be done? If so, you've found the correct video.
The two steps you must take to correctly enable and configure HDMI-CEC and ARC on your TCL Smart Google TV are demonstrated in this video. We'll also walk you through what to do if the TCL Google TV Remote isn't working properly to control other HDMI-connected devices.
Step 1: Turn On HDMI CEC Device Control
Step 2: Customize HDMI CEC Settings
What to do If you can’t control HDMI device with TCL Remote
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