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205Mini Tower Owner's Manual - Delltopics-cdn.dell.com/pdf/optiplex-3020-desktop_Owner... · PDF fileDell OptiPlex 3020–Mini Tower ... Damage due to servicing that is not authorized

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  • Dell OptiPlex 3020Mini TowerOwner's Manual

    Regulatory Model: D15MRegulatory Type: D15M001

  • Notes, cautions, and warningsNOTE: A NOTE indicates important information that helps you make better use of your computer.

    CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

    WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

    Copyright 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

    2013 - 10

    Rev. A00

  • Contents

    1 Working on Your Computer.............................................................................................. 5Before Working Inside Your Computer................................................................................................................................ 5Turning Off Your Computer.................................................................................................................................................6After Working Inside Your Computer...................................................................................................................................6

    2 Removing and Installing Components.............................................................................. 7Recommended Tools...........................................................................................................................................................7System Overview................................................................................................................................................................7

    Inside view ................................................................................................................................................................... 7Removing the Cover...........................................................................................................................................................8Installing the Cover.............................................................................................................................................................9Removing the Intrusion Switch...........................................................................................................................................9Installing the Intrusion Switch........................................................................................................................................... 10Removing the Front Bezel.................................................................................................................................................10Installing the Front Bezel................................................................................................................................................... 10Removing The Expansion Card......................................................................................................................................... 10Installing the Expansion Card............................................................................................................................................. 11Memory Module Guidelines................................................................................................................................................11Removing the Memory......................................................................................................................................................12Installing the Memory........................................................................................................................................................12Removing the Coin-Cell Battery........................................................................................................................................ 12Installing the Coin-Cell Battery.......................................................................................................................................... 13Removing the Hard Drive.................................................................................................................................................. 13Installing the Hard Drive.................................................................................................................................................... 14Removing the Optical Drive...............................................................................................................................................14Installing the Optical Drive.................................................................................................................................................14Removing the Speaker......................................................................................................................................................15Installing the Speaker........................................................................................................................................................ 15Removing the Power Supply............................................................................................................................................. 15Installing the Power Supply............................................................................................................................................... 16Removing the Heatsink Assembly..................................................................................................................................... 17

    Installing the Heatsink Assembly........................................................................................................................................17Removing the Processor................................................................................................................................................... 17Installing the Processor..................................................................................................................................................... 18Removing the System Fan................................................................................................................................................ 18Installing the System Fan.................................................................................................................................................. 19Removing the Power Switch.............................................................................................................................................19Installing the Power Switch............................................................................................................................................... 21Removing the I/O Panel....................................................................................................................................................21Installing the I/O Panel..................................................................................................................................................... 23System Board Components..............................................................................................................................................24

    3

  • Removing the System Board............................................................................................................................................ 24Installing the System Board.............................................................................................................................................. 26

    3 System Setup................................................................................................................27Boot Sequence.................................................................................................................................................................27Navigation Keys................................................................................................................................................................ 27System Setup Options......................................................................................................................................................28Updating the BIOS .......................................................................................................................................................... 35

    Clearing Forgotten Password..................................................................................................................................... 35Clearing CMOS.......................................................................................................................................................... 35

    System and Setup Password............................................................................................................................................36Assigning a System Password and Setup Password................................................................................................... 36Deleting or Changing an Existing System and/or Setup Password..............................................................................37Disabling a System Password......................................................................................................................................37

    4 Diagnostics................................................................................................................... 38Enhanced Pre-Boot System Assessmen

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