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OptiPlex 790 Owner's Manual (Desktop) 790 DT.pdf Dell OptiPlex 790 Desktop Owner's Manual Regulatory Model: D05D Regulatory Type: D05D001

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  • Dell OptiPlex 790 Desktop Owner's Manual

    Regulatory Model: D05D Regulatory Type: D05D001

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

    CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.

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

    Information in this publication is subject to change without notice. © 2011 Dell Inc. All rights reserved.

    Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

    Trademarks used in this text: Dell™, the DELL logo, Dell Precision™, Precision ON™,ExpressCharge™, Latitude™, Latitude ON™, OptiPlex™, Vostro™, and Wi-Fi Catcher™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™, Atom™, Centrino®, and Celeron® are registered trademarks or trademarks of Intel Corporation in the U.S. and other countries. AMD® is a registered trademark and AMD Opteron™, AMD Phenom™, AMD Sempron™, AMD Athlon™, ATI Radeon™, and ATI FirePro™ are trademarks of Advanced Micro Devices, Inc. Microsoft®, Windows®, MS-DOS®, Windows Vista®, the Windows Vista start button, and Office Outlook® are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Blu-ray Disc™ is a trademark owned by the Blu-ray Disc Association (BDA) and licensed for use on discs and players. The Bluetooth® word mark is a registered trademark and owned by the Bluetooth® SIG, Inc. and any use of such mark by Dell Inc. is under license. Wi-Fi® is a registered trademark of Wireless Ethernet Compatibility Alliance, Inc.

    Other trademarks and trade names may be used in this publication to refer to either the entities claiming the marks and names or their products, Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

    2011 — 07

    Rev. A00

  • Contents

    Notes, Cautions, and Warnings..................................................................2

    1 Working on Your Computer......................................................................9 Before Working Inside Your Computer.............................................................................9 Recommended Tools.......................................................................................................10 Turning Off Your Computer..............................................................................................10 After Working Inside Your Computer..............................................................................11

    2 Cover..........................................................................................................13 Removing the Cover........................................................................................................13 Installing The Cover.........................................................................................................13

    3 Front Bezel.................................................................................................15 Removing the Front Bezel................................................................................................15 Installing The Front Bezel................................................................................................16

    4 Expansion Card.........................................................................................17 Removing the Expansion Card.........................................................................................17 Installing The Expansion Card.........................................................................................19

    5 Optical Drive..............................................................................................21 Removing the Optical Drive.............................................................................................21 Installing The Optical Drive.............................................................................................22

    6 Hard Drive..................................................................................................23 Removing the Hard Drive................................................................................................23 Installing The Hard Drive.................................................................................................25

    7 Memory......................................................................................................27 Removing the Memory....................................................................................................27

  • Installing The Memory.....................................................................................................28

    8 Chassis Intrusion Switch........................................................................29 Removing the Chassis Intrusion Switch..........................................................................29 Installing The Chassis Intrusion Switch..........................................................................30

    9 Speaker......................................................................................................31 Removing The Speaker...................................................................................................31 Installing The Speaker.....................................................................................................32

    10 Heat Sink And Processor......................................................................33 Removing The Heat Sink and Processor.........................................................................33 Installing The Heat Sink and Processor..........................................................................35

    11 Coin-Cell Battery....................................................................................37 Removing The Coin-Cell Battery.....................................................................................37 Installing The Coin-Cell Battery.......................................................................................38

    12 Power-Switch Cable..............................................................................39 Removing The Power-Switch Cable................................................................................39 Installing The Power-Switch Cable.................................................................................40

    13 Front Thermal Sensor............................................................................41 Removing The Front Thermal Sensor..............................................................................41 Installing The Front Thermal Sensor...............................................................................42

    14 System Fan..............................................................................................43 Removing The System Fan..............................................................................................43 Installing The System Fan...............................................................................................44

    15 Input/Output Panel.................................................................................47 Removing The Input/Output Panel..................................................................................47 Installing The Input/Output Panel....................................................................................48

  • 16 Power Supply..........................................................................................49 Removing The Power Supply..........................................................................................49 Installing The Power Supply...........................................................................................51

    17 System Board..........................................................................................53 Removing The System Board..........................................................................................53 Installing The System Board...........................................................................................54

    18 Power Supply Unit (PSU) Thermal Sensor.........................................57 Removing The PSU Thermal Sensor...............................................................................57 Installing The PSU Thermal Sensor................................................................................58

    19 System Setup..........................................................................................59 System Setup..................................................................................................................59 Boot Menu.......................................................................................................................59 Boot Menu Enhancements..............................................................................................59 Timing Key Sequences....................................................................................................60 Navigation.......................................................................................................................61 System Setup Options.....................................................................................................61

    20 Troubleshooting......................................................................................71 Diagnostic LEDs.....................................................