Dell Precision M65 User's Guide - Page 19
Swapping Primary and Secondary Displays, Using the Ambient Light Sensor
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2. Click Start® Control Panel® Display® Settings. NOTE: If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest supported values. For more information, see your operating system documentation. 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 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 and left-arrow key combination. NOTE: Do not cover the ALS with any adhesive labels. If covered up, the ALS automatically sets the display brightness to the minimum level. 1 ambient light sensor 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™ QuickSet allows you to enable or disable the ALS feature. You can also adjust maximum and minimum brightness settings that are activated when you enable the ALS feature. For more information about QuickSet, right-click the icon in the taskbar, and click Help. NOTE: Rebooting the computer returns the ambient light sensor to the last setting of enabled or disabled. NOTE: The ambient light sensor adjusts the display backlighting on your portable computer only. It does not control the brightness on any external monitors or projectors. Back to Contents Page