In the area of the disk drive is a cardboard protector What should I do?
Before inserting the DVD be sure to remove the laser lens cover.
¿Why does the secondary screen shut down , when disconnected from it´s power supply?
The secondary screen doesn't have a built in battery and needs to be connected to a power source. It feeds through the adaptor or charger already included in the content.
Can I play two separate files independently on each screen?
The auxiliary screen shows the content that´s playing the main one , therefore the two screens always show the same content