About Warnings WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Dell™ OptiPlex™ 780 Ultra Small Form Factor Setup and Features Information Tech Sheet Front View CD/DVD drive power button drive activity light diagnostic lights (4)
Back View network activity light captive thumbscrew padlock ring security cable slot power connector line-out connector line-in/microphone connector eSATA connector DisplayPort connector VGA connector serial connector USB connectors (5) network connector link integrity light WiFi antenna (optional)
WARNING: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional best practices information, see www.dell.com/regulatory_compliance. NOTE: Some devices may not be included if you did not order them.
5 Press the power buttons on the monitor and computer. Specifications NOTE: The following specifications are only those required by law to ship with your computer. For a complete and current listing of the specifications for your computer, go to support.dell.com. System Information ® Chipset...
Video Video type: Integrated Intel Q45 graphics controller Video memory: Integrated Upto 1759 MB shared video memory Memory Memory module connector 2 DIMM slots Memory module capacity 1 GB or 2 GB Type DDR3 1066 MHz (non-ECC) Minimum memory 1 GB Maximum memory 4 GB Drives...
Blue light — The WiFi network card is enabled. Diagnostic lights Four amber lights located on the front panel of the computer. For information on the diagnostic lights, see the Service Manual available on the Dell Support website at support.dell.com/manuals. Back of computer: Link integrity light on Green light —...
Control Lights and Diagnostic Lights (continued) Inside of computer: Power supply light Green — The power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet. A test button and LED are on the top side of the unit.
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