7Change Screen Area to the appropriate sizes for both displays and click Apply.
8If prompted to restart the computer, click Apply the new color setting without restarting and click OK.
9If prompted, click OK to resize your desktop.
10If prompted, click Yes to keep the settings.
11Click OK to close the Display Properties window.
To disable dual independent display mode:
1Click the Settings tab in the Display Properties window.
2Click the monitor 2 icon, uncheck the Extend my Windows desktop onto this monitor option, and then click Apply.
If necessary, press <Fn><F8> to bring the screen image back to the computer display.
Windows Vista™
1Click the Windows Vista Start button 
, and click Control Panel.
2Under Appearance and Personalization, click Adjust screen resolution.
3In the Display Settings window, click the monitor 2 icon, click the Extend the desktop onto this monitor check box, and then click Apply.
4Click OK to close the Display Settings window.
To disable extended desktop mode:
1In the Display Settings window, click the Settings tab.
2Click the monitor 2 icon, uncheck the Extend the desktop onto this monitor option, and then click Apply.
Using a Monitor as Your Primary Display
To swap your primary and secondary display designations (for example, to use your external monitor as your primary display after docking), perform the steps in the following section that corresponds to the operating system your computer is using.
46
Using the Display
