The closest I can think of is that some of my stand alone Roku devices have remotes with two programable buttons. I have one button programmed for YTTV. The questions are whether such a remote is available for your Roku TV and whether pushing the button will turn on the TV as well as going to the programmed input. TCL 55R615 Roku TV that is running Roku version 9.1.0, build 4129. HP Envy laptop running Windows 10 Home 64 bit version 1903, build 18362.267. All versions are confirmed to be the latest available. I've even tried updating the wireless NIC and graphics drivers. Both the Roku TV and my laptop are connected to the same wireless network. 2. Replace Your HDMI Cables. There's a strong possibility that a poorly seated cable is creating signal noise which is displaying as horizontal lines, and is also a common cause of vertical lines. This comes down to either a: Faulty HDMI cable with a break in it. Damaged HDMI port with broken pins. Setup & Configuration Choose what's displayed when powering on your TCL Roku TV Choose what's displayed when powering on your TCL Roku TV You can choose what happens when you power on your TCL Roku TV. It can either power on and display the Home screen, which contains all your streaming channels, or it can display a specified input of your choice. Vay Nhanh Fast Money.

tcl tv startup screen