Hello cami, and welcome to Sevenforums!
To move the display to correctly position itself according to your layout, RIGHT-click your desktop and click "screen resolution". You should see 2 monitors labeled 1 and 2. Simply click and hold one of the monitors and drag it to the opposite side of the other monitor. Here is what the screen should look like, except that I only have a single monitor where you should have two:
Remember, windows can only guess as to which side of your main monitor that you place your secondary monitor; it is up to you to position it in the correct manner. Just ask if you need more help!