Toshiba Satellite A135 Notebook "sound playing dvd projector" Questions

...sound. This cuts down on their outside noise. Only solution for this is to install external speakers as I have done for my movie or TV playing (I installed a TV adapter so I could hook up a projector ...

...DVD, the picture and sound quality skips and jumps. What should I do? If the USB is used there can be problems of connectivity but if you are using the projector as the external monitor and feeding ...