Dell Latitude D830 (Early 2007) - Manual (Page 46)

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Using the Display
3 In the Display Settings window, click the monitor 2 icon, click the Extend the desktop onto this
monitor check box, and then click Apply.
4 Click OK to close the Display Settings window.
To disable extended desktop mode:
1 In the Display Settings window, click the Settings tab.
2 Click the monitor 2 icon, uncheck the Extend the desktop onto this monitor option, and then click
Apply.
Using an External Monitor as Your Primary Display: Swapping
Primary and Secondary Displays
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.
Microsoft
®
Windows
®
XP
1 Click the Start button and click Control Panel.
2 Under Pick a category, click Appearance and Themes.
3 Under Pick a task..., click the area you want to change, or under or pick a Control Panel icon, click
Display.
4 Click the Settings tab→ Advanced→ Displays tab.
Windows Vista®
1 Click the Windows Vista Start button, , and click Control Panel.
2 Under Appearance and Personalization, click Adjust screen resolution.
3 In the Display Settings window, click the monitor 2 icon, click the This is my main monitor check
box, and then click Apply.
4 Click OK to close the Display Settings window.
Using the Ambient Light Sensor
The ambient light sensor is located on the front of the computer display. The sensor detects available
environmental light and automatically increases or decreases the display backlighting to compensate for
low-light and high-light environments.
You can enable or disable the ambient light sensor feature by pressing the and left-arrow key
combination.
NOTE:
Do not cover the ambient light sensor with any adhesive labels. If covered up, the sensor—when
enabled—automatically sets the display brightness to the minimum level.