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 TSdydee on September 11th, 2013
How To Remove Power Supply On A Dell Optiplex 780
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Related Dell OptiPlex 780 Manual Pages
Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 1
Dell™ OptiPlex™ 780 Setup and Features Information Tech Sheet
Front and Back View - About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
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 connector
March 2010
15
14
13
2 ...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 1
Dell™ OptiPlex™ 780 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
...
Service Manual - Page 1
... indicates a potential for property damage, personal injury, or death. A02 Trademarks used in the United States and/or other countries. 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 purchased...
Service Manual - Page 3
...processor by its edges, not by performing the removal procedure in on Your Computer
Dell™ OptiPlex™ 780 Service Manual-Desktop
Before Working Inside Your Computer Recommended Tools Turning Off...Press and hold the power button while the system is not covered by periodically touching an unpainted metal surface, such as the metal at www.dell.com/regulatory_compliance.
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
...you begin. Enter system setup (see the Microsoft® Windows® desktop.
Turn on Dell computers. Then shut down and restart the computer.
If you wait too ... 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 Diagnostics
It is active. NOTE...
Service Manual - Page 22
... best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Pull back the cover release latch. 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...
Service Manual - Page 24
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. Removing the Primary Hard Drive
1. Disconnect the hard-drive data cable.
5. Disconnect the hard-drive power cable. For additional safety best practices information, see the Regulatory Compliance...
Service Manual - Page 28
Disconnect the floppy-drive power cable. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Floppy Drive
1. 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....
Service Manual - Page 32
... of its connector on the card-retention latch upwards. 3. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Expansion Card(s)
1. 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 computer. Rotate the release tab...
Service Manual - Page 34
... Before Working Inside Your Computer. 2.
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. Removing the Memory Module(s)
1. Press out on the securing clips at www.dell.com/regulatory_compliance. For additional safety best practices information, see the...
Service Manual - Page 36
....
6. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the secondary hard drive (if present). 4. Removing the Power Supply
1. 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...
Service Manual - Page 42
...™ 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 Homepage at www.dell.com/regulatory_compliance. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the fan power cable from the system...
Service Manual - Page 45
... processor. 4. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the floppy-drive data cable from the system board. Remove the riser cage. 3.
Remove the memory. 5. Back to 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...
Service Manual - Page 55
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. Disconnect the optical-drive data cable.
3. Removing the Optical Drive
1. Disconnect the optical-drive power cable. Follow the procedures in Before Working Inside Your Computer. 2. For additional ...
Service Manual - Page 59
...-drive data cable. Remove the optical drive from the computer. 3.
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
Secondary Hard Drive (Optional)
Dell™ OptiPlex™ 780 Service Manual-Desktop
WARNING: Before working...
Service Manual - Page 63
Removing the Riser Cage
1. 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.... upright position. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Service Manual - Page 68
... 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. Removing the Standard Back Plate
1. Follow the procedures in reverse order.
Back to Contents Page Gently lift the standard back plate and remove from the computer. Replacing the...
Technical Guide - Page 3
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
MINI TOWER COMPUTER (MT) VIEW
FRONT VIEW 1 Optical Drive (optional)
2 Optical Drive Eject Button 3 Optical Drive Bay
7 Power Button, Power Light
8 Diagnostic Lights (4)
9 Headphone Connector
BACK VIEW 1 Power Connector 2 Back-Panel Connectors 3 Expansion Card Slots (4)
4 Power-Supply Vent 5 Chassis Lock Loop 6 Cover Release Latch
4 ...
Technical Guide - Page 17
...N/A
921 BTU
0.1 A 180W N/A
180W
723 BTU
3.3v CMOS battery (type and estimated battery life)
Power Supply Fan
80*25mm 80*25mm 92*25mm 92*25mm 80*15mm 80*15mm N/A
Compliance:
1watt requirement
Blue Angel ...
Yes Select No
No
Yes Select Yes
Yes
Yes Select Yes
Yes
17 DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
POWER
NOTE: These form factors utilize a more than one 12v rail)
BTUs/h...
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