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 SamSi on January 2nd, 2014
What Does The Button On The Back Of The Power Supply Do For Optiplex 780 Sff?
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 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 About Warnings
...
Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 8
... and Diagnostic Lights
Power button light
Green light -
Off (no light) - two
Mini-Tower - Blinking green light indicates that the computer is not detecting a physical connection to the hard drive.
one Small Form Factor -
two Desktop and Small Form Factor - Blinking amber light indicates a problem with the system board or power supply. The computer is...
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
...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 6
... computer. Green light - Yellow light - Control Lights and Diagnostic Lights Front of computer:
Power button light
Drive activity light Network activity light
WiFi activity light (optional) Diagnostic lights
Back of ...dell.com/manuals. Blinking amber light indicates a problem with the system board or power supply. Blue light - Blue light - The computer is enabled. For information on...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 7
... must be defective.
They are not accessible
from outside the system. When the system's power supply voltage is functional. If the LED does not light up, the power supply may be connected during this test. NOTE: The test button and indication LED are located under the removable side cover on top of the computer) and...
Service Manual - Page 3
.... 7.
Disconnect all attached devices from the computer. 5. Press and hold the power button while the system is unplugged to avoid bending any connector pins. Recommended Tools
Some...and cards with locking tabs;
Working on Your Computer
Dell™ OptiPlex™ 780 Service Manual-Desktop
Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After...
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. Starting the Dell Diagnostics From the Drivers and Utilities Disc
1. When the boot device list appears, highlight Onboard or USB CD-ROM Drive and press . Back to Contents Page
Diagnostics
Dell™ OptiPlex™ 780 Service Manual Dell Diagnostics Power Button... you want to wait until you see the Windows desktop.
When the DELL logo appears, press immediately. When...
Service Manual - Page 36
... 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 Inside Your Computer. 2. Disconnect the main power connector from the system board. Disconnect 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 4
DELL™ OPTIPLEX™ 780 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 ...
Technical Guide - Page 5
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
SMALL FORM FACTOR COMPUTER (SFF) VIEW
FRONT VIEW
1 Optical Drive (optional) 2 Optical Drive Eject Button
7 Power Button, Power Light
8 Microphone Connector
3 USB 2.0 Connectors (2)
9 Headphone Connector
4 Network Connectivity Light
5 Diagnostic Lights (4)
10 Media Card Reader (optional)
6 Hard Drive Activity Light
BACK VIEW 1 ...
Technical Guide - Page 6
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW
FRONT VIEW
1 Optical Drive 2 Power Button, Power Light 3 Drive Activity Light
7 Headphone Connector 8 Microphone Connector 9 USB Connector 2.0 (2)
4 Diagnostic Lights (4) 5 Network Connectivity Light 6 WiFi Activity Light (optional)
BACK VIEW
1 Network Activity Light 2 Captive ...
Technical Guide - Page 17
... / 63HZ
16MSEC
87 - 90 - 87% @ 20 - 50 - 100% load
SFF APFC EPA
235W
90 - 264Vac
235W High Efficiency
90 - 264Vac
4.5A / 2.25A
...power
Max combined +3.3v / +5.0v power Max combined 12.0v power (note: only if more efficient Active Power Factor Correction (APFC) power supply. Dell recommends only Universal Power Supplies... DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
POWER
NOTE: These...
Technical Guide - Page 18
...100 Mb (full/half-duplex)
1000 Mb (full-duplex)
18 SFF supports low profile card. DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
AUDIO
INTEGRATED ADI 1984A HIGH DEFINITION AUDIO High ... THX Digital out (S/PDIF) Audio Jack Impedance
Microphone Line-In Line-Out Headphone Internal Speaker Power Rating
MT
DT
SFF
USFF
X
X
X
X
2
16, 20, and 24-bit resolution
Independent 8, 11....
Technical Guide - Page 19
... actual operating speed of 1 Gb/sec. DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
COMMUNICATIONS - NETWORK ADAPTER (NIC) (... mode (example Bus-Master DMA)
Power consumption (full operation per data rate connection speed)
Power consumption (standby operation)
IEEE standards ... 200 Mbps 1000BASE-T (full-duplex) 2000 Mbps
MT
DT
SFF
USFF
RJ45
10/100/1000 Mbps Half/Full duplex
PCIe c1....
Technical Guide - Page 20
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
COMMUNICATIONS - INTEGRATED LAN (CONT.)
BROADCOM NETXTREME 10/100/1000 PCIE GIGABIT1 NETWORKING CARD (CONT.) Environmental Operating temperature Operating humidity
Operating System Driver Support
Manageability (examples WOL, PXE) Management Capabilities Alerting (example ASF 2.0)
MT
DT
SFF
USFF
0° C to a Gigabit Ethernet server ...
Technical Guide - Page 24
...OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
GRAPHICS/VIDEO CONTROLLER (CONT.)
1GB NVIDIA GEFORCE GT330
Bus Type (example integrated or PCIe x16) GPU core clock Frame Buffer Memory (onboard and shared) Size and Speed Maximum power... (Non-Condensing): Operating Temperature Range Relative Humidity Range Altitude Range
MT
DT
SFF
PCIEx16 600Mhz 500Mhz
22W Yes 32-bit 85Hz Yes D3D and OpenGL Max ...
Technical Guide - Page 25
...764 x 8.5
10°-50° C 5-90% RH 0-20,000 ft. MT
DT
SFF
PCIEx16 540Mhz 500Mhz
25W Yes
32-bit
85Hz
Yes
D3D and OpenGL Max : 1920x1440/32bpp @ ...50° C 5-90% RH 0-20,000 ft.
25
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
GRAPHICS/VIDEO CONTROLLER (CONT.)
256MB AMD RADEON™ HD...and shared) Size and Speed Maximum power consumption Overlay Planes Maximum Color Depth ...
Technical Guide - Page 48
... Watts)
Operating Mode
Idle
Typical Configuration Declared Sound Power (LWAd)
3.8
High-end Configuration Declared Sound Power (LWAd)
N/A
HDD Operating
3.7
N/A
90% CPU
4.1
N/A
ODD Operating
4.8
N/A
The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at 90% utilization with ISO 9296 for the Dell OptiPlex 780 SFF is as follows1:
Operating Mode
Idle HDD Operating...
Similar Questions
How Do You Know The Power Supply Is Dying?
My desktop won't wake up when in sleep mode. Is it possible the power supply is going? What does the...
My desktop won't wake up when in sleep mode. Is it possible the power supply is going? What does the...
(Posted by edgewater20 9 years ago)
