![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://preview.redd.it/n5eug7yq7c981.jpg?auto=webp&s=8ffa3372a543d11a8e0c452c6e917056ee12ec19)
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
![What is HDMI CEC in your TV, Projector, Game Console, Blu-Ray disc players & AV Receivers? - YouTube What is HDMI CEC in your TV, Projector, Game Console, Blu-Ray disc players & AV Receivers? - YouTube](https://i.ytimg.com/vi/HX9oETz3MvQ/maxresdefault.jpg)
What is HDMI CEC in your TV, Projector, Game Console, Blu-Ray disc players & AV Receivers? - YouTube
![Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet](https://openrb.com/wp-content/uploads/2014/11/cec_45-290x178.jpg)
Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet
![Amazon.com: Ensigear HDMI CEC Blocker hdmi cec Interceptor. The CEC Function can be manually Turned on or Off (pin 13) for Devices Connected to HDMI Cables Through The CEC Adapter.【2pcs】 : Electronics Amazon.com: Ensigear HDMI CEC Blocker hdmi cec Interceptor. The CEC Function can be manually Turned on or Off (pin 13) for Devices Connected to HDMI Cables Through The CEC Adapter.【2pcs】 : Electronics](https://m.media-amazon.com/images/I/71x85tECbCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Ensigear HDMI CEC Blocker hdmi cec Interceptor. The CEC Function can be manually Turned on or Off (pin 13) for Devices Connected to HDMI Cables Through The CEC Adapter.【2pcs】 : Electronics
![Amazon.com: Ensigear HDMI CEC Blocker hdmi cec Interceptor. The CEC Function can be manually Turned on or Off (pin 13) for Devices Connected to HDMI Cables Through The CEC Adapter.【2pcs】 : Electronics Amazon.com: Ensigear HDMI CEC Blocker hdmi cec Interceptor. The CEC Function can be manually Turned on or Off (pin 13) for Devices Connected to HDMI Cables Through The CEC Adapter.【2pcs】 : Electronics](https://m.media-amazon.com/images/I/81CdHuIQIwL.jpg)