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NOTE: Some flat-panel displays and graphic cards support Digital Visual Interface (DVI). If your monitor and card have DVI connectors, Dell recommends that you use DVI instead of VGA.
NOTE: A second monitor is optional and requires a multimonitor graphics adapter card.
Dual Monitors
NOTICE: Do not use any other cables or attach the monitor cable directly to the dual-monitor graphic card.
The dual-monitor cable is color coded; the blue connector is for the primary monitor, and the black connector is for the secondary monitor. Attach the appropriate monitor cable to the dual-monitor cable. To enable dual- monitor support, both monitors must be attached when the computer starts. See "Frequently Asked Questions" on page 36 for more information.
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