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 ereuJir on March 19th, 2014
What Is The Green Light On The Dell 780 Sff Power Supply
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
...: 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 -
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...
Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 8
... the system board or power supply. Network connectivity light
Green light - Diagnostic lights
Four lights located on the Dell Support website at support.dell.com/manuals. one (slimline drive)
Control Lights and Diagnostic Lights
Power button light
Green light - Drive activity light
Green light - two Desktop and Small Form Factor - blinking green light indicates sleep state of...
Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor) - Page 9
... 34.00 cm (13.40 inches)
Mini-Tower - 11.70 kgs (25.80 lbs) Desktop - 8.26 kgs (18.20 lbs) Small Form Factor - 6.80 kgs (15.00 lbs...Power
Wattage
Mini-Tower - 305 W (non-EPA) or 255 W (EPA) Desktop - 255 W Small Form Factor - 235 W
Maximum heat dissipation
Mini-Tower - 1041 BTU/hr Desktop - 955 BTU/hr
Small Form Factor - 938 BTU/hr
NOTE: Heat dissipation is calculated by using the power supply...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 1
...property damage, personal injury, or death. 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...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 6
...the system board.
Four amber lights located on the Dell Support website at support.dell.com/manuals. Green light - Orange light - Off (no light) - A blinking yellow light indicates that the computer is not detecting a physical connection to the network. Blinking amber light indicates a problem with the system board or power supply. Blue light - Off (no light) - The WiFi network card...
Setup and Features Information Tech Sheet (Ultra
Small Form Factor) - Page 7
... test button and indication LED are not accessible
from outside the system. When the system's power supply voltage is functional. Coin-cell battery
3V CR2032 lithium coin cell
Physical Height Width Depth Weight
23.7 cm (9.3 inches) 6.5 cm (2.6 inches) 24.0 cm (9.4 inches) 3.2 kg (7 lbs) The power supply is turned on the top side of computer:
Power supply light
Green -
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 10
yellow - off (no light) - Network activity light on integrated network adapter
four lights.
Power
DC power supply
Wattage
Mini-tower
305 W (non-EPA) or 255 W (EPA)
Desktop
255 W (EPA)
Small form factor
235 W (EPA)
Maximum heat dissipation
Mini-tower
1041 BTU/hr
Desktop
955 BTU/hr
Small form factor
938 BTU/hr
Voltage
90-265 VAC, 50/60 Hz...
Service Manual - Page 12
...Dell Diagnostics from the Drivers and Utilities media.
Back to Contents Page
Diagnostics
Dell™ OptiPlex™ 780 Service Manual Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights
Dell...Drive and press . Enter system setup (see the Windows desktop. Turn on Dell computers. When the DELL logo appears, press immediately. Shut down your Drivers and ...
Service Manual - Page 14
... further information.
Look at the diagnostic lights to determine which state the system is in S0 state, the normal power state of beeps that identifies the problem or that the power supply needs to indicate it is probable that may emit a series of a functioning machine. Solid Green
System is in. Code
Cause
1-1-2
Microprocessor register failure...
Service Manual - Page 36
... Page
Power Supply
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 Homepage at www.dell.com/regulatory_compliance. Remove the secondary hard drive (if present). 4. Disconnect the main power connector...
Service Manual - Page 38
Remove the screws that secure the power supply to the back of the chassis. 8.
Service Manual - Page 39
9. Press the power supply release latch at the bottom of the chassis and then slide the power supply towards the front of the computer.
Service Manual - Page 40
10. Lift the power supply up and away from the computer.
Service Manual - Page 41
Replacing the Power Supply
To replace the power supply, perform the above steps in reverse order. Back to Contents Page
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 17
.../ 63HZ 16MSEC
65%
47HZ / 63HZ
16MSEC
87 - 90 - 87% @ 20 - 50 - 100% load
SFF APFC EPA
235W
90 - 264Vac
235W High Efficiency
90 - 264Vac
4.5A / 2.25A
3.5A / 1.75A
47HZ ... total 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™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
POWER
NOTE:...
Technical Guide - Page 48
This test mode is not specified in accordance with no other reported operating modes. 2 Declared Sound Power rounded to ISO 9296 except 90% CPU. DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
ACOUSTIC NOISE EMISSION INFORMATION
OPTIPLEX 780 SFF
Component CPU Memory HDD (#, capacity) RMSD Graphics Adapter
Typical Configuration E8500
1GB DDR3 1066 MHz (x1) 160 GB 7200...
Similar Questions
What Does The Button On The Back Of The Power Supply Do For Optiplex 780 Sff?
(Posted by SamSi 10 years ago)
How To Fix Amber Light On Optiplex 780 Without A New Power Supply
(Posted by hyokijok 10 years ago)
How To Dismantle Power Supply Dell Optiplex 780mt
(Posted by Katanfreezi 10 years ago)
What Is The Green Box Below My Power Supply In The Dell 8400?
(Posted by camerabuggs 10 years ago)