Toshiba SD-V55HT System "invalid disc dvd" Questions

...disc the error ,,invalid entry" appear. I checked different dvd disc and the problem still the same. Can you help? Jacobo The Samsung HT-Z310T is a DVD player, not a recorder, that is why you are ...

...invalid disc i have tried numerous discs..tried a reset by unplugging and replugging at the same time as holding in the power button on the surround dvd player/receiver Oops sorry, I guess that I put ...

...invalid disc. All dvds I've tried are region 1. What can I do? Did it EVER WORK for you? How good a deal was it when you bought it? Chances are the laser is not focusing properly. This could ...