I'm having a big problem right now, my screen is just black after the windows logo boot up. I know what I did wrong but I don't know how to fix it. What I did was(by mistake), i right clicked on desktop and chose screen resolution on the little menu. It shows me a window with all the screen resolution and stuff. There's two options at the top of the window, it shows two screens with one and two. I usually run the first one but i clicked on the second one and pressed apply. then everything is just gone except the background of my desktop. How do i switch it back to the first one? How do I fix this?