I recently purchased a Roku Express 4K and attached it to our audio receiver (AVR). It is connected to an HDMI port on the receiver. I also programmed our Harmony programmable remote for it. The Roku works pretty well but sometimes while watching cable TV the Roku screensaver pops up on the TV screen. To correct it I have to hit the button on the remote that sets everything for cable TV. I cannot figure out why this happens. Is it because the Roku never turns off?
