My screen on my laptop has 4 fully functionable screens all up at one time. I would like to know if there is a setting I can go too to change it back to default

ACER GRIDVISTA first pops into my mind. However, without know-
Ing which type/model of laptop you have, it's difficult to give you a definite answer. Regardless of whether

Sorry about first post. It was incomplete.

Regardless of whether it was pre- installed or an aftermarket application, there should be a settings configuration within the application.

Once such example which shows the user interface is shown here:

Acer Technology

Hope this helps.