Dell GX280DT User Guide - Page 195

connectors (6) 9 diagnostic lights 10 video connector such as printers and keyboards. It is recommended that you use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices. Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic Lights." Plug the cable from your VGA-compatible monitor into the blue connector. NOTE: If you purchased an optional graphics card, this connector will be covered by a cap. Connect your monitor to the connector on the graphics card. Do not remove the cap. 11 parallel connector NOTE: If you are using a graphics card that supports dual monitors, use the y-cable that came with your computer. Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector. NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. For more information, see "System Setup Options." Inside Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. 1 hard drive 6 system board 2 floppy drive 7 power supply 3 CD/DVD drive 8 padlock ring 4 internal speaker 9 heat sink and blower assembly 5 chassis intrusion switch System Board Components