There are several settings you can adjust on your Dell Latitude laptop screen to attain an optimal display configuration. These settings include the brightness, contrast, expanded video mode, resolution and colour profile, as well as the ability to configure your laptop to run in dual-screen mode. These settings are easy to change and can help you customise your display.
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Press and hold the "FN" key (also called the function key) on your laptop keyboard and tap the up or down arrow keys to increase or decrease the brightness. The function key is located between the CTRL and ALT keys. Early Dell Latitude models that use a passive-matrix display allow the user to adjust the contrast of their display by holding the function key and pressing the left or right arrow keys to increase or decrease the contrast.
Press the function key and F7 at the same time to put your display into expanded video mode. The expanded video mode allows for display settings of less than 1024x768 pixels to fill the entire screen. Press the function key and F7 at the same time again to switch back to regular video mode.
Right-click on the desktop and choose "Display Properties" to change the display resolution. Click on the "Settings" tab and drag the screen resolution slider bar left or right to change the resolution. From here, you can also change the colour profile (allowing more or fewer colours to display on the screen) by choosing a colour profile from the "Color Palettes" drop-down menu. Click "Apply" to test the resolution and colour profile, then click "OK" to close the Display Properties window.
Connect an external monitor to the VGA-out port of the back of the laptop to run in dual-display mode. Right-click on the desktop and choose "Display Properties," then click the "Settings" tab. Click the "Advanced" button and choose the "NeoMagic" tab. Click to place a check in the box next to "Set Dual-Display" and click "Apply." Click "Yes" when asked to reboot the computer. After the reboot, right-click on the desktop and click "Display Properties" again. Click the "Settings" tab. Two monitors will be displayed in the top portion of the screen. Click the display marked "2" and then click "Yes" to enable the monitor. Click "Apply" and then "OK".
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