If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest possible setting.Microsoft® Windows® XP1. 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. Try different settings for Color quality and Screen resolution.Windows 20001. Click the Start button, point to Settings, and then click Control Panel.2. Double-click the Display icon and click the Settings tab.3. Try different settings for Colors and Screen area.If the video resolution setting is higher than that supported by the display, the computer enters pan mode. In pan mode, the screen cannot be completelydisplayed. For example, the taskbar that usually appears at the bottom of the desktop may no longer be visible. To view the rest of the screen, use the touchpad to pan up, down, left, and right.Dual Independent Display ModeYou can attach an external monitor or projector to your computer and use it as an extension of your display (known as "dual independent display" or"extended desktop" mode). This mode allows you to use both screens independently and drag objects from one screen to the other, effectively doubling theamount of viewable work space.Windows XP1. Connect the external monitor, TV, or projector to the computer.2. Open the Control Panel and double-click the Display icon.3. In the Display Properties window, click the Settings tab.4. Click the monitor 2 icon, click the Extend my Windows desktop... check box, and click Apply.5. Change Screen Area to the appropriate sizes for both displays and click Apply.6. If prompted to restart the computer, click Apply the new color setting without restarting and click OK.7. If prompted, click OK to resize your desktop.8. If prompted, click Yes to keep the settings.9. Click OK to close the Display Properties window.To disable dual independent display mode:1. Click the Settings tab in the Display Properties window.2. Click the monitor 2 icon, uncheck the Extend my Windows desktop... option, and then click Apply.If necessary, press to bring the screen image back to the computer display.Windows 2000The Windows 2000 operating system does not natively support dual independent display (extended desktop) mode on your computer. However, you candownload software from the Dell Support website at support.dell.com that lets your computer use two displays together to simulate dual independent displaybehavior.NOTE: As the resolution increases, icons and text appear smaller on the screen.NOTICE: You can damage an external monitor by using an unsupported refresh rate. Before adjusting the refresh rate on an external monitor, see themonitor user's guide.NOTE: If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest possiblevalues. For more information, see your operating system documentation.