I posted a video of my problem. It won't go past this screen: Thanks for the help.
https://www.youtube.com/watch?v=AaEMW4k1uFQ&feature=youtu.be
https://www.youtube.com/watch?v=AaEMW4k1uFQ&feature=youtu.be
This is the infamous Power Button issue - either the Power button (the little plastic piece that we press on) or the Power switch (the actual switch on the mainboard that the Power button presses on) is stuck or jammed down.When I reinsert it, the phone turns itself on.