Dell OptiPlex 780 Support Question
Dell OptiPlex 780 Support Question
Find answers below for this question about Dell OptiPlex 780.Need a Dell OptiPlex 780 manual? We have 6 online manuals for this item!
Question posted by mahinYAN on April 28th, 2014
I Have A 1 ,2, 3 On The Front Of My Dell 780 And Will Not Start
The person who posted this question about this Dell product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Dell OptiPlex 780 Manual Pages
Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 1
Desktop
1
2
3
4
5
10
98
76
11 12
16
1 optical drive 3 USB 2.0 connectors (2) 5 power button, power light 7 network connectivity light 9 headphone ..., DCCY1F, DCSM, DCNE, and DCCY series About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Dell™ OptiPlex™ 780 Setup and Features Information Tech Sheet
Front and Back View -
Service Manual - Page 1
.... All rights reserved. Intel, Core, and Celeron are either the entities claiming the marks and names or their products. A02 Dell™ OptiPlex™ 780 Service Manual
Desktop Computer
Working on Your Computer Removing and Replacing Parts Specifications Diagnostics System Setup
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you ...
Service Manual - Page 3
Working on Your Computer
Dell™ OptiPlex™ 780 Service Manual-Desktop
Before Working Inside Your Computer Recommended Tools ...to ensure your computer, ground yourself by periodically touching an unpainted metal surface, such as the metal at www.dell.com/regulatory_compliance.
CAUTION: To disconnect a network cable, first unplug the cable from the computer. 5. CAUTION: ...
Service Manual - Page 5
Back to Contents Page
Removing and Replacing Parts
Dell™ OptiPlex™ 780 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
... desktop.
Start the Dell Diagnostics from the Drivers and Utilities media. Starting the Dell Diagnostics From Your Hard Drive
1. Starting the Dell ...DELL logo appears, press immediately. Back to Contents Page
Diagnostics
Dell™ OptiPlex™ 780 Service Manual Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights
Dell Diagnostics
When to Use the Dell...
Service Manual - Page 17
... menu is useful when you are also included in the computer. Making changes in the BIOS.
Back to Contents Page
System Setup
Dell™ OptiPlex™ 780 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...
Service Manual - Page 22
Removing the Cover
NOTE: You may need to install Adobe Flash Player from Adobe.com to Contents Page
Cover
Dell™ OptiPlex™ 780 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. 2. Back ...
Service Manual - Page 24
..., remove the secondary hard drive from the computer. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page
Primary Hard Drive
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 28
Back to Contents Page
Floppy Drive
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Floppy Drive
1. Follow the procedures in Before Working ...
Service Manual - Page 32
Back to Contents Page
Expansion Card(s)
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your .... 3.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Follow the procedures in Before Working Inside Your Computer. 2.
Service Manual - Page 34
... Your Computer. 2. Removing the Memory Module(s)
1. Lift the memory module out of the memory module connector.
3. Press out on the securing clips at www.dell.com/regulatory_compliance. Back to Contents Page
Memory
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 36
Disconnect the main power connector from the system board. Remove the hard drive. 5. Back to Contents Page
Power Supply
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Remove the optical drive. 3. Follow the procedures in Before Working ...
Service Manual - Page 42
... the Fan
1. Follow the procedures in Before Working Inside Your Computer. 2. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page
Fan
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual - Page 45
... Contents Page
System Board
Dell™ OptiPlex™ 780 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. 2. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect...
Service Manual - Page 55
... Before Working Inside Your Computer. 2. Disconnect the optical-drive power cable. Disconnect the optical-drive data cable.
3. Back to Contents Page
Optical Drive
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Optical Drive
1. For additional safety best...
Service Manual - Page 59
.... 3. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the hard-drive data cable. Back to Contents Page
Secondary Hard Drive (Optional)
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Secondary Hard Drive (Optional)
1. For additional...
Service Manual - Page 63
... Cage
1.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to an upright position. Pivot the riser-cage handle to Contents Page
Riser Cage
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer...
Service Manual - Page 68
.... 2. Removing the Standard Back Plate
1.
Gently lift the standard back plate and remove from the computer. Back to Contents Page
Standard Back Plate
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer. Follow the procedures in reverse order. For additional...
Service Manual - Page 70
.... Removing the Heat Sink and Processor
1. Follow the procedures in Before Working Inside Your Computer. 2.
Back to Contents Page
Heat Sink and Processor
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your computer. Loosen the captive screws on each side of...
Service Manual - Page 76
Removing the Coin-Cell Battery
1.
Remove the coin-cell battery from the coin-cell battery.
3. Back to Contents Page
Coin-Cell Battery
Dell™ OptiPlex™ 780 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 Compliance...
Similar Questions
What Motherboard And Cpu Will Be The Best Fit For The Dell Desktop Optiplex 740
(Posted by rmalone3108 2 years ago)
Dell Computer Optiplex 780 Blinking Orange Light And Will Not Start
(Posted by Tegeos 10 years ago)
I Cannot Start My Optiplex 990, It Flashes 234 Error Instead Of Flashing Blue
(Posted by lnn3 11 years ago)