2. Click Start® Control Panel® Display® Settings.
3. Click the monitor 2 icon® Extend my Windows desktop onto this monitor® Apply.
4. Change Screen resolution to the appropriate sizes for both displays and click Apply.
5. If prompted to restart the computer, click Apply the new color setting without restarting® OK.
6. If prompted, click OK to resize your desktop.
7. If prompted, click Yes to keep the settings.
8. Click OK to close the Display Properties window.
To disable dual independent display mode:
1. Click Settings in the Display Properties window.
2. Click the monitor 2 icon, uncheck the Extend my Windows desktop onto this monitor option, and click Apply.
If necessary, press <Fn><F8> to bring the screen image back to the computer 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):
1. Click Start® Control Panel® Display® Settings® Advanced® Displays.
See the documentation that came with your video card for additional information.
Using the Ambient Light Sensor
The ambient light sensor (ALS) is located on the bottom of the computer display panel. The ALS 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 ALS feature by pressing the <Fn> and left-arrow key combination.
The ALS is disabled when your computer is shipped to you. If you enable the ALS and then use any of the display brightness key combinations, the ALS is
disabled and the display brightness is increased or decreased accordingly.
Dell™QuickSetallowsyoutoenableordisabletheALSfeature.Youcanalsoadjustmaximumandminimumbrightnesssettingsthatareactivatedwhenyou
enable the ALS feature. For more information about QuickSet, right-click the icon in the taskbar, and click Help.
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