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DellTM OptiPlexTM GX240 Systems User's Guide w w w. d e l l . c o m | s u p p o r t . d e l l . c o m Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the "Glossary." ____________________ Information in this document is subject to change without notice. © 2001­2002 Dell Computer Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, OptiPlex, and Dell OpenManage are trademarks of Dell Computer Corporation; Intel and Pentium are registered trademarks of Intel Corporation; Microsoft, Windows NT, MS-DOS, and Windows are registered trademarks of Microsoft Corporation; 3Com is a registered trademark of 3Com Corporation; IBM is a registered trademark of International Business Machines Corporation; NetWare and Novell are registered trademarks of Novell, Inc. As an ENERGY STAR partner, Dell Computer Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own. Models: DHS, DHP and DHM , September 2002 4G172 Rev. A04 Contents CAUTION: Safety Instructions General ................... 9 9 11 12 13 13 14 ............................. .................... .............. ........... When Using Your Computer When Working Inside Your Computer Ergonomic Computing Habits Battery Disposal Protecting Against Electrostatic Discharge .................. ........................ 1 About Your Computer Finding Information and Assistance Front Panel ................ 16 19 22 23 23 25 26 26 26 29 30 30 30 30 30 31 31 ............................. ........................ ................. Front Panel Door Power Button Power Light . Speaker/Headphone Connector .......................... .......................... ................... Floppy Drive Access Light . Hard Drive Access Light Back Panel .................... ............................. ....................... ....................... ........................ ........................ ............. Connecting Devices Parallel Connector Mouse Connector USB Connectors Integrated Network Adapter Connector Network Cable Requirements Line-In Jack Line-Out Jack .................. .......................... .......................... Contents 1 Microphone Jack . Video Connector Serial Connectors ....................... 31 31 31 31 32 36 ........................ ....................... ...................... Keyboard Connector Inside Your Computer ....................... ................... System Board Components 2 Advanced Features LegacySelect Technology Control Manageability ................. 40 40 40 41 41 41 42 43 43 45 47 48 48 48 51 51 52 58 59 60 ........................... ................ ........... Dell OpenManageTM IT Assistant Dell OpenManage Client Instrumentation . Security .............................. .................. ............. Chassis Intrusion Detection Padlock Ring and Security Cable Slot Password Protection . System Password Setup Password ....................... ....................... ........................ ................ Disabling a Forgotten Password Computer Settings ........................ .................... Entering System Setup . System Setup Screens ..................... ....... Changing the Boot Sequence During System Setup Changing the Boot Sequence in System Setup Additional System Setup Options If You Have a Problem Jumper Settings ......... ................. ..................... .......................... ............. Software Installation and Configuration 2 Contents 3 Installing Upgrades Computer Cover .......................... .................. .................. 64 64 67 68 69 77 79 82 83 83 84 86 86 87 88 88 90 91 93 97 98 100 101 Opening the Computer Cover Closing the Computer Cover Expansion Cards .......................... ................. ................. ............... Installing an Expansion Card Removing an Expansion Card Removing an AGP Card Installing an AGP Graphics Card . .................... ...... Expansion-Card Cage (Small Desktop Computer Only) Removing the Expansion-Card Cage Replacing the Expansion-Card Cage TAPI .............. .............. ................................ .................... ................. Installing a TAPI Device Installing a TAPI Sound Card Memory .............................. ....................... ....................... Installing DIMMs Removing DIMMs Microprocessor .......................... .... Removing the Heat Sink or Heat-Sink/Blower Assembly Removing the Microprocessor Installing the Microprocessor ................. ................. .... Replacing the Heat Sink or Heat-Sink/Blower Assembly Front Panel Inserts ........................ Removing Front Panel Inserts--Small Form-Factor and Small Desktop Computers . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Removing Front Panel Inserts--Small Mini-Tower Computer Replacing Front Panel Inserts Internal Drives . .. 104 105 106 108 109 ................. .......................... ..................... IDE Drive Addressing Connecting Drives ....................... 3 Contents Hard Drives ............................ ................. 111 112 116 118 119 123 125 126 129 132 137 138 141 143 147 148 Detaching Hard Drive Cables . Removing a Hard Drive Installing a Hard Drive . .................... .................... ................ .. Reattaching Hard Drive Cables . Adding a Second Hard Drive -- Small Mini-Tower Computer Floppy Drives ........................... ................. Detaching Floppy Drive Cables Removing a Floppy Drive . ................... ....... Installing a Floppy Drive and Reattaching Cables . CD/DVD Drives . .......................... .......... Detaching CD, CD-RW, or DVD Drive Cables Removing a CD, CD-RW, or DVD Drive ............ Installing a CD, CD-RW, or DVD Drive and Reattaching Cables Battery . .............................. ..................... Replacing the Battery 4 Stand Removing the Computer Stand Attaching the Computer Stand .................. .................. 152 153 5 Technical Specifications 6 Solving Problems Finding Solutions ......................... .............. 164 165 166 166 168 169 Using the Dell OptiPlex ResourceCD Power Problems Video and Monitor Problems Sound and Speaker Problems Printer Problems . ........................ .................. ................. ....................... 4 Contents Serial or Parallel Device Problems Mouse Problems Keyboard Problems ............... 170 172 173 174 176 179 180 181 182 182 183 184 184 185 187 187 187 187 188 188 190 192 192 193 200 202 203 203 203 204 206 207 208 208 ........................ ...................... ..................... ..................... Floppy Drive Problems Hard Drive Problems . Battery Problems ....................... ................... ...... Expansion Card Problems Recovering From a Program That Is Not Responding Restarting a Computer That Is Not Responding . Repairing a Wet Computer Hardware Conflicts Repairing a Dropped or Damaged Computer Computer Memory Problems System Board Problems ........ ................... .......... ...................... .................. .................... .............. Resetting a Damaged System Board Dell Diagnostics Features .......................... ............... When to Use the Dell Diagnostics Before You Start Testing Advanced Testing ............................ .................... .................. Running the Dell Diagnostics ....................... ................. Advanced Testing Help Menu . Messages and Codes . ....................... ...................... ..................... Computer Messages Warning Messages Diagnostic Lights Front Panel Lights Back Panel Lights Software Problems Input Errors Computer Beep Codes Diagnostics Messages ....................... ..................... ....................... ....................... ....................... ........................ ................ Operating System Compatibility Error Messages .......................... ........................ 5 Contents Device Drivers ......................... ..................