finalizar 3 DVD recorded en Sony que malogro

Tengo 3 DVD grabados en Sony y no finalizados. He tratado en otras marcas de DVD

no sony, pero no resulta. Me dicen que debe ser Sony que reconoce la senal.

QUE HAGO??????????

Google Translation

3 DVD recorder end in failure Sony

I have 3 DVDs recorded in Sony and not finalized. I've tried other brands of DVD

Sony's, but it is not. I say it should be Sony that recognizes the signal.

WHAT DO I DO??????????