Laptop having trouble turning on

My Acer starts to power up, I hear the fan, it gives me the "Acer Empowering People" screen then goes to a black screen, the fan dies down then it starts all over. It will continue doing this until I power it off or it just drains it's power. From the "Acer Empowering People" screen I can press F2 to get into Set up but I have no idea what to do next, I don't understand anything I see! I'm hoping someone can help me, and explain things very simply!