Hardware - Dual Monitor
- Right click on Desktop.
 Click Display Settings. 
- Scroll down to the Multiple Displays section.
 Click Extend these displays, from the dropdown. 
- Click Keep Changes.
- If your mouse will not go to the other screen to click Keep Changes, move your mouse in the other direction.
  
- Click Identify. A number will appear on the screen of the display it's assigned. 
- Select and drag the displays in Settings to reflect how they are set up on your desk.
 Click Apply, when finished. 
- Test your new layout by moving your mouse pointer across the different displays to make sure it works like you expect. If satisfied, you can close the window.
