Please Help With Dish Satellite Remote

Yes I tried to hook up a roku box to my dads TV and finally got it to work but thinking I may have changed a wrong setting in the TV settings. On my dish remote if I click the "sat" button it goes to a blank screen. If I go into my TV inputs and select "component" the dish screen comes up but the second I click "sat" button on my dish remote where I can change satellite channels it goes back to the blank screen. It's almost like I somehow changed the inputs and the dish remote "sat" button is programmed to the wrong input. To be able to work satellite channels I have to put the TV on the "component" input, go two rooms away where when I push "sat" button on the dish remote control it can't send a signal to the tv, wait for the "sat" button light to go off, then I'm able to go back to the room where the satellite is and change satellite TV channels. Pretty much if I am anywhere near the tv and click "sat" button on the remote it goes to a blank screen saying "no input" and I have to use the TV remote to change the input to "component" to get the screen where dish is to come back up but if I then click "sat" button on the dish remote where I can change satellite channels it goes back to the blank screen. Please help.