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Top Solutions

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

Windows 7 recovery image download available with USB 3.1 and NVMe driver support
Windows 7 recovery image download available with USB 3.1 and NVMe driver support

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If you require a recovery image and have downgrade rights to Windows 7 professional while running a Dell computer with an Intel 6th generation processor, known as a Skylake chipset, a compatible ...

Last Modified: 16 Sep 2019

Article ID: SLN301133

Dell OptiPlex 3020 System Guide
Dell OptiPlex 3020 System Guide

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Quick Links Getting Started with your Dell System System Documentation - User Guides/Manuals Find your Service Tag and Express Service Code Dell Drivers and Downloads Warranty Status and Service ...

Last Modified: 16 Sep 2019

Article ID: SLN288647

Microprocessor Side-Channel Vulnerabilities (CVE-2017-5715, CVE-2017-5753, CVE-2017-5754): Impact on Dell products
Microprocessor Side-Channel Vulnerabilities (CVE-2017-5715, CVE-2017-5753, CVE-2017-5754): Impact on Dell products

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CVE ID: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754 Dell is aware of the side-channel analysis vulnerabilities, known as Meltdown and Spectre, affecting many modern microprocessors that were ...

Last Modified: 16 Sep 2019

Article ID: SLN308587

What is BIOS and How to Update the BIOS on Your Dell System
What is BIOS and How to Update the BIOS on Your Dell System

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Want to know more about System BIOS and how to Check and Update the BIOS on your Dell System? This article will show you how. Note: For information regarding Resetting or Clearing your system BIOS ...

Last Modified: 19 Sep 2019

Article ID: SLN284433

Understanding and Troubleshooting Your Hard Drive
Understanding and Troubleshooting Your Hard Drive

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Table of Contents: What is a Hard Drive? Computer and Hard Drive Maintenance Dell Hard Drive Diagnostics Backing up and Restoring Important files and data Replacing or Upgrading the Hard Drive

Last Modified: 19 Sep 2019

Article ID: SLN146180


Manuals and Documents

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


Regulatory Information

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Regulatory Information for your product is included in this section.

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Dell OptiPlex 3020 Small Form FactorRegulatory Model D08SRegulatory Type D08S001

DELL Regulatory and Environmental Datasheet
DELL Regulatory and Environmental Datasheet

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

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Dell OptiPlex 3020 Mini-TowerRegulatory Model D15MRegulatory Type D15M001

DELL Regulatory and Environmental Datasheet
DELL Regulatory and Environmental Datasheet

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Videos

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

Featured Video 08 Aug 2019 01:17
How to Find Your Service Tag (00:00:22)

Your service tag uniquely identifies your system. Here's how to find it on laptop, desktop and all-in-one (AiO) systems. For more eSupport video visit dell.com/supportvideo.