Top Solutions

The most helpful knowledge articles for your product are included in this section.

Resolve No Power, No POST, No Boot or No Video issues with your Dell Computer

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This article is a guide to identifying and resolving start-up / power issues with your Dell personal computer. (These include No Power - No signs of life, No POST - Diagnostic LEDs or Beeps, No Boot - Cannot load Operating System and No Video - personal computer starts but nothing that is seen on the display.)

Last Modified: 23 SEP 2022

Article ID: 000125609

Article type: Solution

Dell Computer Does Not Turn On or Boot Into Windows With Errors Such as No Bootable Device

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Is your Dell computer not turning on? Getting errors such as no bootable device? Learn how to identify the symptoms of power, POST, video, or boot-related problem on your Dell desktop, all-in-one, or laptop. Find links to common troubleshooting guides to help recover your Dell computer.

Last Modified: 21 SEP 2022

Article ID: 000130881

Article type: Solution

How to Run a Diagnostic Test Using SupportAssist

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This article provides instructions on how to run hardware diagnostics using SupportAssist on a Dell computer.

Last Modified: 20 SEP 2022

Article ID: 000198182

Article type: How To

Using, Testing, Troubleshooting and Resolving Driver Issues on your Dell Webcam

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Learn how to test your webcam, fix camera and webcam problems, get webcam applications, and run the Dell camera diagnostics in Windows 11, 10, 8(8.1), and 7.

Last Modified: 15 SEP 2022

Article ID: 000124356

Article type: Solution

Dell Display Pixel Guidelines

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This article provides information about Dell's display resolution guidelines for LCD panels of Dell monitors and laptops. Learn what a pixel or dot is, what is premium panel guarantee, how to identify a bright or dead pixel on the LCD, and more.

Last Modified: 12 SEP 2022

Article ID: 000126004

Article type: Solution


Manuals and Documents

Manuals, documents, and other information for your product are included in this section.

Dell OptiPlex 5040 Small Form Factor Owner's Manual

Publish date: 07 JAN 2016
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Publish date: 07 JAN 2016

Intel Ready Mode Technology Guide

Publish date: 23 DEC 2015
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Publish date: 23 DEC 2015

Statement of Volatility - Dell OptiPlex 5040 Mini Tower

Publish date: 23 DEC 2015
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Publish date: 23 DEC 2015

Statement of Volatility - Dell OptiPlex 5040 Small Form Factor

Publish date: 23 DEC 2015
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Publish date: 23 DEC 2015

OptiPlex 5040 - Mini Tower Owner's Manual

Publish date: 04 DEC 2015
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Publish date: 04 DEC 2015

Dell OptiPlex Micro Form Factor Accessories Install Guide

Publish date: 02 NOV 2015
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Publish date: 02 NOV 2015

Dell OptiPlex Antenna Install Guide

Publish date: 02 NOV 2015
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Publish date: 02 NOV 2015

Dell OptiPlex Cable Cover Install Guide

Publish date: 02 NOV 2015
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Publish date: 02 NOV 2015

Dell OptiPlex 5040 Mini Tower Quick Start Guide (Windows 7/8.1)

Publish date: 22 OCT 2015
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Publish date: 22 OCT 2015

Regulatory Information

Regulatory Information for your product is included in this section. Learn more about regulatory compliance

Dell OptiPlex 5040 Mini-TowerRegulatory Model D18MRegulatory Type D18M001

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Dell OptiPlex 5040 Mini-TowerRegulatory Model D18MRegulatory Type D18M001

European Union CE Declaration of Conformity
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European Union CE Declaration of Conformity

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Dell OptiPlex 5040 Small Form FactorRegulatory Model D11SRegulatory Type D11S001

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Dell OptiPlex 5040 Small Form FactorRegulatory Model D11SRegulatory Type D11S001

European Union CE Declaration of Conformity
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European Union CE Declaration of Conformity

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Videos

Videos for your product are included in this section. See Video Tutorials