No settings were changed, but I turned the dvd player/recorder on recently and no display appears on my tv screen. I tried pressing the "input" button on the remote, but it was of no help. Tried changing batteries in the remote twice--no help. I know it's powering up because the little window display on the dvd recorder itself reads "load" and counts off the minutes when I press "play" , but nothing appears on my screen. Any suggestions? Thanks in advance.