Just purchased and setting up my Roku Express 4K+. Have two questions: Samsung TV (2 years old) has 4K but Roku is stating that I need to reset my HDMI picture setting to get 4K. It's currently only getting 1080P. I tried to follow the Roku provided set-up to change it, but what the screen is showing in the settings isn't what Roku is showing. I don't see a HDMI color setting like Roku shows. Secound question: how do you get the Roku remote to turn on the Samsung sound bar? I currently turn on the TV then I have to turn on the sound bar with it's remote. Thanks
