Dell OptiPlex 755 Support Question
Dell OptiPlex 755 Support Question
Find answers below for this question about Dell OptiPlex 755.Need a Dell OptiPlex 755 manual? We have 3 online manuals for this item!
Question posted by miPDay on January 6th, 2014
Dell Optiplex 755 Orange Power Light Won't Turn Green
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Current Answers
Related Dell OptiPlex 755 Manual Pages
Quick Reference
Guide - Page 6
... This document is available as a PDF at support.dell.com. Dell™ Product Information Guide
• How to remove and replace parts
Dell™ OptiPlex™ User's Guide
• Specifications
Microsoft Windows ...and solve problems
• How to run the Dell Diagnostics • Error codes and diagnostic lights
NOTE: This document may be optional and may not ship with your
...
Quick Reference
Guide - Page 28
... amber - To exit from a powersaving mode, see "Diagnostic Lights" on the diagnostic code. NOTICE: To avoid losing data, do not turn the badge. NOTICE: If your operating system has ACPI enabled, when you press the power button the computer will perform an operating system shutdown.
4 Dell badge
This badge can help you troubleshoot problems...
Quick Reference
Guide - Page 38
.... NOTICE: To avoid losing data, do not turn the badge.
2 power button
Press to turn on page 66.
6 hard drive activity light
This light flickers when the hard drive is established.
5 diagnostic lights Use the lights to help you press the power button the computer will perform an operating system shutdown.
3 Dell badge
Can be rotated to match the...
Quick Reference
Guide - Page 39
... The computer is turned off.
• Steady green - For more information about sleep modes and exiting from a power-saving mode, press the power button or use ...power light illuminates and blinks or remains solid to attach a microphone. The computer is in the Windows Device Manager. The computer is configured as a wake device in a power-saving mode.
• Blinking or solid amber - See "Dell...
Quick Reference
Guide - Page 65
... Problems" in a powersaving mode. Blinks green
A configuration error exists. Power Light
Problem Description
Suggested Resolution
Solid green
Power is in the
failure has occurred. Quick Reference Guide
65
On the desktop computer, a solid green light indicates a network connection.
Blinking green The computer is on the system running the Dell Diagnostics from the Drivers and...
Quick Reference
Guide - Page 66
... and no beep code but
the computer
locks up during
POST
Check the diagnostic lights to see if the specific problem is not identified, contact Dell for instructions on diagnosing the beep code.
Solid green
An integrated system board
power light and device may be faulty. no video during the BIOS was executing. If the...
Quick Reference
Guide - Page 67
... module or reinstalled all modules without error.
• If available, install working electrical outlet (see "Power Problems" in the User's Guide).
• If the problem persists, contact Dell (see "Contacting Dell" in a normal off condition or a possible pre-BIOS failure has occurred. Power Light
Problem Description
Suggested Resolution
The computer is in the User's Guide).
Quick Reference
Guide - Page 68
...hard drive failure has occurred.
Reseat all cable connections. Reinstall all USB devices and check all power and data cables. Suggested Resolution
• Reseat any installed graphics cards (see the "Cards... problem persists, contact Dell (see "Contacting Dell" in the User's Guide).
68
Quick Reference Guide Power Light
Problem Description A possible graphics card failure has occurred.
Quick Reference
Guide - Page 69
Power Light
Problem Description
Suggested Resolution
Memory modules are detected, but a memory configuration or ...card failure has occurred.
1 Determine if a conflict exists by your system).
• If the problem persists, contact Dell (see "Contacting Dell" in the User's Guide). If the computer starts normally, troubleshoot the last card removed from the computer for resource ...
Quick Reference
Guide - Page 70
... boot sequence is correct for the devices installed on obtaining technical assistance.
70
Quick Reference Guide
If the problem persists, contact Dell (see "Contacting Dell" in the User's Guide) for instructions on your computer.
• If the problem persists, contact Dell (see "Contacting Dell" in the User's Guide). Power Light
Problem Description Another failure has occurred.
User's Guide - Page 14
... screen is difficult to read 343 3D image quality is poor 344
Power Lights 344
System Lights 345
Diagnostic Lights 347
Beep Codes 350
System Messages 351
Dell Diagnostics 353 When to Use the Dell Diagnostics 353 Starting the Dell Diagnostics From Your Hard Drive . . . . . 353 Starting the Dell Diagnostics From the Drivers and Utilities CD (Optional 354...
User's Guide - Page 38
... to 265 V at 50 Hz
3-V CR2032 lithium coin cell
38
Mini Tower Specifications
amber light - orange light for 10-Mb operation; solid amber indicates an internal power problem (See "Power Problems" on page 339.)
hard drive access light
green
Link light (on front of power from the internal coin cell battery even when the computer is calculated based upon...
User's Guide - Page 101
... integrated network adapter)
green light for 10-Mb operation; amber light - orange light for 1000-Mb (1-Gb) operation
Activity light (on integrated network yellow blinking light adapter)
Diagnostic lights
four lights on the front panel (See "Diagnostic Lights" on page 347.)
Standby power light
AUX_PWR on the system board
Power DC power supply:
Wattage
NOTE: Power consumption from an...
User's Guide - Page 165
... page 347.
6 hard drive activity light This light flickers when the hard drive is established.
5 diagnostic lights
Use the lights to help you press the power button the computer will perform an operating system shutdown.
3 Dell badge
Can be rotated to match the orientation of the badge, press firmly, and turn the badge.
To rotate, place fingers...
User's Guide - Page 166
... power cable.
166
Small Form Factor Computer The computer is turned off. • Steady green - For more information about sleep modes and exiting from a power-saving mode, press the power button... headphones and most kinds of light codes that can help you troubleshoot problems with your computer.
See "Dell Diagnostics" on page 167). To exit from a power-saving mode, see "Back Panel...
User's Guide - Page 178
... adapter)
Diagnostic lights
four lights on the front panel (See "Dell Diagnostics" on page 353.)
Standby power light
AUX_PWR on state. solid amber indicates an internal power problem (See "Power Problems" on page 339.)
hard drive access light
green
Link light
solid green light indicates network connection
Link integrity light (on integrated network adapter)
green light for 100-Mb...
User's Guide - Page 239
Dell Badge
CAUTION: Before you begin any of your computer can be rotated.
The AC power adapter has a status light that the power adapter is green or amber for the following different states:
• green 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.
Ultra...
User's Guide - Page 243
... the power-on page 339.)
Power supply status light
green light - Solid green indicates the power adapter is connected to an AC outlet but not the computer. orange light for a 1000-Mb (1-Gb) operation
Activity light (on integrated network yellow blinking light adapter)
Diagnostic lights
four lights on the back panel (See "Diagnostic Lights" on page 347.)
Standby power light
AUX_PWR...
User's Guide - Page 346
..." on page 350 for technical assistance (see "Contacting Dell" on page 339. Also, check the diagnostic lights to complete.
Blinking yellow
A power supply or system board failure has occurred.
Solid green and a beep code during POST
An integrated system board device may be faulty. Solid green power light and no video during POST
The monitor or the...
User's Guide - Page 373
...radio/television technician for a Class B digital device pursuant to correct the interference by turning the equipment off and on, you are designed to operate this equipment does cause harmful... with the FCC regulations:
• Product name: Dell™ OptiPlex™ 755
• Model numbers: DCTR, DCNE, DCSM, DCCY
• Company name: Dell Inc. FCC Notices (US Only)
373 If this...
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