I have a TCL tv and just bought a tcl soundbar for it. It’s connected to the television via hdmi 3 arc and it’s playing sound without an issue. But when I select the device on the home screen it always shows the there is “no signal - is it on” message even when the volume indicates the soundbar is on and is currently the active playing audio.
My devices aren’t coming up as options on the drop down list but this is what I’m using.
TCL 43S425-CA 4K Ultra HD Smart LED Television (2019), 43” #tcl43s425-ca
TCL S Class 3.1 Channel Sound Bar with DTS Virtual:X, Built-in Center Channel Speaker, and Wireless Subwoofer - S4310-CA #tcls4310-ca