Top Solutions

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

How to Troubleshoot Slow Performance Issues

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This article provides information about how to troubleshoot and resolve slow performance issues with your Dell computer.

Last Modified: 01 AUG 2022

Article ID: 000178928

Article type: Solution

How to Troubleshoot Display or Video Issues on a Dell Monitor

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This article provides information about how to troubleshoot and fix common display or video issues on a Dell monitor.

Last Modified: 01 AUG 2022

Article ID: 000132354

Article type: Solution

How to Recover the BIOS on a Dell Computer or Tablet

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This article provides information about what is BIOS recovery and how to recover the BIOS on select Dell computers or tablets. The BIOS recovery feature helps recover the computer from a Power On Self-Test (POST) or a boot failure that is caused by a corrupt BIOS.

Last Modified: 01 AUG 2022

Article ID: 000132453

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: 29 JUL 2022

Article ID: 000130881

Article type: Solution

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 PC. (These include No Power - No signs of life, No POST - Diagnostic LEDs or Beeps, No Boot - Can't load Operating System and No Video - PC starts but nothing seen on the display.)

Last Modified: 29 JUL 2022

Article ID: 000125609

Article type: Solution


Manuals and Documents

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

Statement of Volatility_Dell OptiPlex 3040 Micro Form Factor

Publish date: 21 MAR 2016
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Publish date: 21 MAR 2016

Statement of Volatility_Dell OptiPlex 3040 Mini Tower

Publish date: 21 MAR 2016
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Publish date: 21 MAR 2016

Statement of Volatility_Dell OptiPlex 3040 Small Form Factor

Publish date: 21 MAR 2016
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Publish date: 21 MAR 2016

OptiPlex 3040M Owner's Manual

Publish date: 02 MAR 2016
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Publish date: 02 MAR 2016

Dell OptiPlex 7040_3040 Micro Form Factor Monitor Compatibility List

Publish date: 03 FEB 2016
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Publish date: 03 FEB 2016

OptiPlex 7040_OptiPlex 3040 Micro Install Guide - Accessories

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

Intel Ready Mode Technology Guide

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

OptiPlex 3040 - Small Form Factor Owner's Manual

Publish date: 18 DEC 2015
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Publish date: 18 DEC 2015

OptiPlex 3040 - Mini Tower Owner's Manual

Publish date: 18 DEC 2015
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Publish date: 18 DEC 2015

Regulatory Information

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

Dell OptiPlex 3040 Micro Form FactorRegulatory Model D10URegulatory Type D10U001

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Dell OptiPlex 3040 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 3040 Mini-TowerRegulatory Model D18MRegulatory Type D18M002

DELL Regulatory and Environmental Datasheet
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DELL Regulatory and Environmental Datasheet

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Dell OptiPlex 3040 Mini-TowerRegulatory Model D18MRegulatory Type D18M002

EUROPEAN UNION - CE Declaration of Conformity
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EUROPEAN UNION - CE Declaration of Conformity

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Dell OptiPlex 3040 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 3040 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

Featured Video 04 Aug 2022 02:05

Dell Command | vPro Out of Band Overview for Remote Management (13:15)

Learn how to use provision and use Dell Command | vPro Out of Band for out of band management for Intel enabled devices.