Step 1: Right click on the Desktop

Step 2: From the popup menu click Display Settings

Step 3: Scroll down to Multiple Displays
Change Multiple Displays to Extend These Displays

Step 4: Click Keep changes

Step 5: Back at the top Click on screen 2

Step 6: Scroll down to Multiple Displays and check box to Make this my main display

Step 7: Verify Mouse pointer travels from screen to screen in the correct direction
Step 8: Adjust icons if necessary