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Dell OptiPlex 780 Support Question

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Question posted by posstsho on May 20th, 2014

Optiplex 780 Will Not Power On

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Related Dell OptiPlex 780 Manual Pages

Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 1

... 1 optical drive 3 USB 2.0 connectors (2) 5 power button, power light 7 network connectivity light 9 headphone connector March 2010 15 14 13 2 optical drive eject button 4 drive activity light 6 diagnostic lights (4) 8 microphone connector 10 Media Card Reader (optional) Models: DCSM1F, DCNE1F, DCCY1F, DCSM, DCNE, and DCCY series Dell™ OptiPlex780 Setup and Features Information...
Setup and Features Information Tech Sheet (Ultra Small Form Factor) - Page 1

Dell™ OptiPlex780 Ultra Small Form Factor Setup and Features Information Tech Sheet Front View 1 2 3 4 5 6 1 CD/DVD drive 3 drive activity light 5 network activity light 7 headphone connector 9 USB connectors (2) 9 8 7 2 power button 4 diagnostic lights (4) 6 WiFi activity light (optional) 8 microphone connector November 2009 Model: D01U Type: D01U001 About Warnings WARNING:...
Service Manual - Page 1

... registered trademarks of Dell Inc.; Reproduction of this text: Dell, the DELL logo, OptiPlex are trademarks of Intel Corporation in the U.S. Intel, Core, and Celeron are either the... and/or other countries. and other than its own. Dell™ OptiPlex780 Service Manual Desktop Computer Working on Your Computer Removing and Replacing Parts Specifications Diagnostics System Setup...
Service Manual - Page 3

... and then unplug the cable from the network device. 3. Press and hold the power button while the system is not covered by a certified service technician. For additional ...from the computer. 5. Recommended Tools Working on Your Computer Dell™ OptiPlex780 Service Manual-Desktop Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After Working ...
Service Manual - Page 5

Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex780 Service Manual-Desktop Cover Primary Hard Drive Floppy Drive (Optional) Expansion Card Memory Power Supply Fan System Board Optical Drive Secondary Hard Drive (Optional) Riser Cage Standard Back Plate Heat Sink and Processor Coin-Cell Battery IO Panel Back to Contents Page
Service Manual - Page 12

...too long and the operating system logo appears, continue to wait until you see the Windows desktop. Insert the Drivers and Utilities disc. 2. On the next startup, the computer boots ... restart the computer. Back to Contents Page Diagnostics Dell™ OptiPlex780 Service Manual Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to ...
Service Manual - Page 17

... to boot to a particular device or to bring up the diagnostics for the computer. Back to Contents Page System Setup Dell™ OptiPlex780 Service Manual-Mini-Tower, Desktop, and Small Form Factor Boot Menu Navigation Keystrokes Entering System Setup System Setup Simulation System Setup Menu Options Boot Menu Press when the...
Service Manual - Page 22

... following illustrations. 1. Removing the Cover NOTE: You may need to install Adobe Flash Player from Adobe.com to Contents Page Cover Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory...
Service Manual - Page 24

.... 3. Removing the Primary Hard Drive 1. Disconnect the hard-drive data cable. 5. Disconnect the hard-drive power cable. Remove the optical drive from the computer. 4. Back to Contents Page Primary Hard Drive Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer...
Service Manual - Page 28

Disconnect the floppy-drive data cable. 3. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the floppy-drive power cable. Back to Contents Page Floppy Drive Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices...
Service Manual - Page 32

... ease the card up and out of its connector on the card-retention latch upwards. 3. Back to Contents Page Expansion Card(s) Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Follow the procedures in Before Working Inside Your Computer...
Service Manual - Page 34

....dell.com/regulatory_compliance. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Memory Module(s) 1. Back to Contents Page Memory Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory...
Service Manual - Page 36

... the secondary hard drive (if present). 4. Disconnect the processor power connector from the system board. 6. Remove the optical drive. 3. Remove the hard drive. 5. Disconnect the main power connector from the system board. Back to Contents Page Power Supply Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information...
Service Manual - Page 42

... the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect the fan power cable from the system board. 3. Removing the Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Fan Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that...
Service Manual - Page 45

... heat sink and processor. 4. Remove the memory. 5. Disconnect the floppy-drive data cable from the system board. Back to Contents Page System Board Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 55

Disconnect the optical-drive power cable. Disconnect the optical-drive data cable. 3. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Optical Drive Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Optical Drive 1. For...
Service Manual - Page 59

... data cable. Remove the optical drive from the computer. 3. Removing the Secondary Hard Drive (Optional) 1. Back to Contents Page Secondary Hard Drive (Optional) Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 63

....dell.com/regulatory_compliance. Disconnect the PS/2 serial-port cable from the system board. 3. Pivot the riser-cage handle to Contents Page Riser Cage Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 68

.... For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page Standard Back Plate Dell™ OptiPlex780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Back to Contents Page
Technical Guide - Page 4

DELL™ OPTIPLEX780 TECHNICAL GUIDEBOOK V2.0 DESKTOP COMPUTER (DT) VIEW FRONT VIEW 1 Optical Drive (optional) 2 Optical Drive Eject Button 7 Network Connectivity Light 8 Microphone Connector 3 USB 2.0 Connectors (2) 9 Headphone Connector 4 Hard Drive Activity Light 10 Media Card Reader (optional) 5 Power Button, Power Light 6 Diagnostic Lights (4) BACK VIEW 1 Expansion Card ...

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