Dell M4300 User's Guide - Page 50

Using an External Monitor as Your Primary Display: Swapping, Primary and Secondary Displays, Using

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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 and select the monitor 1 or monitor 2 icon, and click Apply. 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. 48 Using the Display

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48
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 and select the monitor
1
or monitor
2
icon, and click
Apply
.
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 <Fn> 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.