Try holding down the FF>> button for 12 seconds to see if it performs a reset.
There is a firmware update available on the website that you could try. The file and instructions can be downloaded here:
I just purchased this model from Sears on 2/25/2010 and soon as I hooked it up I tried useing the dvd. First off when putting a dvd in this machine it is loading but nothing comes up. Second when I try to eject the dvd nothing happens. Is this a firmware problem? Or should I just scrap this model and return it? Thank you very much for any help.