Dell OptiPlex 760 Support Question
Dell OptiPlex 760 Support Question
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Question posted by Anonymous-141970 on August 21st, 2014
Optiplex 760
power button blink ones and green light 3and4
Current Answers
Answer #1: Posted by DELLShawnB on August 21st, 2014 5:48 AM
DELLShawnB
Member since:
April 3rd, 2014 Points: 101,105
Member since:
April 3rd, 2014 Points: 101,105
Hi Anonymous-141970
The Diagnostics light code you identified there indicates the Memory modules are detected, but a memory failure has occurred.
If two or more memory modules are installed, try removing both and testing the system with one at a time then restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error.
While testing modules individually make sure to test different slots on your motherboard as well.
If available, try installing known good memory of the same type into your computer to distinguish between a possible motherboard or memory failure.
Check out the service manual for more troubleshooting advice: ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-760_Service%20Manual_en-us.pdf
Troubleshooting Memory Errors on Dell Desktops
https://www.youtube.com/watch?v=d55MLOUTvMY
https://www.youtube.com/watch?v=uNkMR6_Tc5s
Thanks,
Shawn B
Get Support on Twitter @DellCaresPro
http://www.dell.com/learn/us/en/uscorp1/corp-comm/dell-social-media
Related Dell OptiPlex 760 Manual Pages
Setup and Quick Reference Guide - Page 7
...
1
2
3
4
5
11
10
98
76
1 optical drive 3 USB 2.0 connectors (2) 5 power button, power light 7 network-connectivity light 9 headphone connector 11 floppy drive or Media Card
Reader (optional)
2 optical-drive eject button 4 hard-drive activity light 6 diagnostic lights (4) 8 microphone connector 10 optional floppy drive eject button
About Your Computer
7 About Your Computer
Desktop -
Setup and Quick Reference Guide - Page 10
...2 3 4 12
5 11
6
10
7
9
8
1 optical drive 3 optional optical drive bay
5 optional floppy drive eject button 7 hard-drive activity light 9 diagnostic lights (4) 11 microphone connector
2 optical-drive eject button 4 floppy drive or Media Card Reader
(optional) 6 USB 2.0 connectors (2) 8 power button, power light 10 headphone connector 12 network-connectivity light
10
About Your Computer
Setup and Quick Reference Guide - Page 13
...Factor - Front View
1
2
3
4
5
6
11
10
9
8
7
1 optical drive
2 optical-drive eject button
3 USB 2.0 connectors (2)
4 network-connectivity light
5 diagnostic lights (4)
6 hard-drive activity light
7 power button, power light
8 microphone connector
9 headphone connector
10 optional floppy drive eject button
11 floppy drive or Media Card Reader (optional)
About Your Computer
13...
Setup and Quick Reference Guide - Page 15
... View
1
2
3
6
1 diagnostic lights (4) 3 security cable slot 5 power connector
5
4
2 cover release knob 4 back-panel connectors 6 air vent
About Your Computer
15 Front View
1
2 34
98
1 USB 2.0 connectors (2) 3 hard drive activity light 5 air vents 7 optical drive 9 air vents
76
5
2 microphone connector 4 power button, power light 6 optical-drive eject button 8 headphone connector...
Setup and Quick Reference Guide - Page 23
... latch clicks into place for connection to an electrical outlet, connect the metal grounding connector to your AC power cable has a green grounding wire for a secure connection.
2 Connect one end of the computer. 6 Press the power buttons on the monitor and the computer.
7 Connect to the grounding source (often a screw) on the back of the...
Setup and Quick Reference Guide - Page 24
... the computer. • amber light - Connect the AC power adapter to the computer and/or reset the power adapter by disconnecting and reconnecting the plug to the power outlet.
solid amber indicates that the power adapter is green or amber for the following different states: • green light - The AC power adapter has a status light that is off when the...
Setup and Quick Reference Guide - Page 37
... height card
PCI Express x16 (without riser card)
mini tower
one full height card
desktop and small form factor
one low profile card
PCI Express x16 (with riser card)
desktop
up to the built-in DisplayPort connector on a desktop, mini tower, or small form factor. Cards
PCI (without riser card)
mini tower
two full height...
Setup and Quick Reference Guide - Page 38
... factor 3.5-inch floppy drive or 19-in-1 Media Card Reader mini tower desktop small form factor ultra small form factor
one one one
two one
up to two one
up to two 5.25-inch drives one 5.25-inch drive one slimline drive one D-module drive
one one one slimline drive one D-module floppy drive
38
Specifications Drives (continued) 3.5-inch drive bay mini tower...
Setup and Quick Reference Guide - Page 41
... factor Front panel control Processor Power 12V Power
one 5-pin connector
two 5-pin connectors
one 5-pin connector one 3-pin slim connector one 40-pin connector one 775-pin connector one 4-pin connector one 24-pin connector
Controls and Lights
Front of computer:
Power button
push button
Power light
green light - solid green for power-on page 46). The blinking amber indicates a problem with...
Setup and Quick Reference Guide - Page 42
Back of the computer:
Link integrity light on yellow light - orange light -
Network activity light on
green light -
A blinking yellow light indicates that integrated network adapter network activity is calculated by using the power supply wattage rating.
42
Specifications Controls and Lights (continued)
Diagnostic lights
four lights
NOTE: For the ultra small form factor ...
Setup and Quick Reference Guide - Page 46
..., see (see the Regulatory Compliance Homepage at support.dell.com). I F T H E P O W E R L I G H T I S B L I N K I N G G R E E N - IF THE POWER LIGHT IS GREEN AND THE COMPUTER IS NOT RESPONDING -
• Ensure that the display is connected and powered on the keyboard, move the mouse, or press the power button to diagnose and fix the problem(s).
• If an error message occurs in this...
Service Manual - Page 8
...power button. If you want to use your home or office computer to select one... the power options ...(using no power conservation. If...power settings on your standby mode settings, hibernate mode settings, and other power...mode:
1. The Power schemes drop-down ...Power Options Properties window. Under or pick a Control Panel icon, click Power Options.
3. Under or pick a Control Panel icon, click Power...
Service Manual - Page 12
...damage and to dissipate static electricity, which could harm internal components. Press and hold the power button while the system is not covered by your computer.
Damage due to help ensure your... by Dell is unplugged to Contents Page
Working on Your Computer
Dell™ OptiPlex™ 760 Service Manual Recommended Tools Before Working on Your Computer After Working on Your Computer...
Service Manual - Page 158
...the network wall jack and then plug it from the electrical outlet, and press the power button to electrical outlets, and turn them on . Replace the computer cover (see the ...and turn them on . 6. After the Microsoft® Windows® desktop appears on Your Computer. 2. Disconnect the computer power cable from the electrical outlet. 8.
Connect your computer and monitor to ...
Service Manual - Page 161
...
Troubleshooting
Dell™ OptiPlex™ 760 Service Manual Tools Dell Diagnostics Solving Problems Dell Technical Update Service
WARNING: Before working by testing it with your computer. l If the power light is blinking green, the computer is not responding, see the Regulatory Compliance Homepage on the keyboard, move the mouse, or press the power button to the same electrical...
Service Manual - Page 197
... additional safety best practices information, see Removing the Computer Cover). 3.
Replace the computer cover (see Replacing the Computer Cover). Back to Contents Page Dell™ OptiPlex™ 760 Service Manual
Power Button
Power Button
WARNING: Before working inside your computer, read the safety information that shipped with the corresponding slot in Working on the...
Technical Guide - Page 4
DELL™ OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1.0
MINI TOWER COMPUTER (MT) VIEW
FRONT VIEW
1 Optical Drive 2 Optical Drive Eject Button
3 Optical Drive Bay (optional)
4 Floppy Drive or Media Card Reader (0ptional)
5 Optional Floppy Drive Eject Button
6 USB 2.0 Connectors (2)
7 Hard Drive Activity Light 8 Power Button, Power
Light 9 Diagnostic Lights (4)
10 Headphone Connector
11 ...
Technical Guide - Page 5
...; OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1.0
DESKTOP COMPUTER (DT) VIEW
FRONT VIEW
1 Optical Drive 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 Optional Floppy Drive Eject Button
5 Power Button, Power Light
11 Floppy Drive or Media Card Reader (optional)
6 Diagnostic Lights...
Technical Guide - Page 6
DELL™ OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1.0
SMALL FORM FACTOR COMPUTER (SFF) VIEW
FRONT VIEW
1 Optical Drive 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
10 Optional Floppy Drive Eject Button
5 Diagnostic Lights (4)
11 Floppy Drive or Media Card Reader (optional)
6 ...
Technical Guide - Page 7
DELL™ OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1.0
ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW
FRONT VIEW
1 USB 2.0 Connectors (2)
6 Optical Drive Eject Button
2 Hard Drive Activity Light 7 Optical Drive
3 USB 2.0 Connectors (2)
8 Headphone Connector
4 Power Button, Power Light
5 Air Vents
9 Air Vents
BACK VIEW 1 Diagnostic Lights (4) 2 Cover Release Knob 3 Security Cable Slot
4 ...
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