Remotes

[ampre]

I'm having the exact same issue - sometimes taking battery out and putting back doesnt resolve.  The remote will work very intermittently until I repair it.  But next time I turn off and back on my TV it does the same thing.

My Roku is powered by the USB on the TV.  It is being used in my RV and I don't want to use power from the battery when the TV is not on so prefer to keep it that way.

[makaiguy]

@ampre-

When you turn your TV on, if it comes up still showing the HDMI port to which your Roku is attached, see if switching the TV to a different input and back to force the TV and Roku to do a new HDMI "handshake" makes any difference. 

If that helps, try getting in the habit of switching the TV to a different input before turning it off.