Help library: Help library: [LG smart TV monitor] When using the settop box, the TV turns off occasionally (turns off and on repeatedly) | LG U.A.E.
![How to turn on HDMI-CEC on your 2018 LG TV - LG TV Settings Guide: What to Enable, Disable and Tweak | Tom's Guide How to turn on HDMI-CEC on your 2018 LG TV - LG TV Settings Guide: What to Enable, Disable and Tweak | Tom's Guide](https://cdn.mos.cms.futurecdn.net/W3MLLjLNjEJbeY8hGMQpfP.jpg)
How to turn on HDMI-CEC on your 2018 LG TV - LG TV Settings Guide: What to Enable, Disable and Tweak | Tom's Guide
![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 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](https://i.redd.it/n5eug7yq7c981.jpg)