Power 12V one 4-pin connector Power one 24-pin connector Controls and Lights Front of the computer Power button push button Power light blinking green — indicates that the computer is in sleep state solid green — indicates that the computer is in power-on state blinking amber — indicates a …

1 Optical Drive (optional) 6 Diagnostic lights (4) 2 Optical Drive Eject Button 7 Hard Drive Activity Light 3 USB 2.0 Connectors (2) 8 Headphone connector 4 Power button, Power light 9 Microphone connector 5 Network Connectivity Light 10 Power Supply Diagnostic Button 14 Voltage Selection Switch Find answers to Lights 3 and 4 on optiplex 380 dell from the expert community at Experts Exchange ... Back of the computer Link integrity light on integrated green — a good 10 Mbps connection network adapter exists between the network and the computer.



View and Download Dell OptiPlex 780 service manual online.

orange — a good 100 Mbps connection exists between the network and the computer. I know that for a fact because I own 3 of them that I bought refurbished with Windows 7. The minitower case of the Dell OptiPlex 780 has a Dell 0C27VV motherboard. Dell™ OptiPlex™ 780 Ultra Small Form Factor Setup and Features Information Tech Sheet Front View ... 1 network activity light 2 captive thumbscrew 3 padlock ring 4 security cable slot 5 power connector 6 line-out connector 7 line-in/microphone connector 8 eSATA connector OptiPlex 780 Desktop pdf manual download. These are the beep codes for it: These are the diagnostic lights for it: (click each image to enlarge and view)----- NOTE: If you are using an ultra form factor computer, the diagnostic lights are present on the back panel. Dell Optiplex 780 Setup and Features Information - Ultra Small Form Factor Author: Dell Inc. Subject: Setup Guide Keywords: Desktops#OptiPlex#optiplex 780#optiplex-780#Setup Guide#Dell# Desktop# Optiplex# Setup Guide Created Date: 9/18/2013 2:37:51 PM

To help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel.