Notice DELL Precision 490

« rademarks of Dell Inc.; Intel, Xeon, and Pentium are registered trademarks of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation. 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 Inc. disclaims any proprietary interest in trademarks and trade names other than its own. Model DCTA January 2006P/N ND224Rev. A00Contents3 Contents Finding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Setting Up Your Computer (Tower Orientation). . . . . . . . . . . . . . . . . . 9 Setting Up Your Computer (DesktopOrientation). . . . . . . . . . . . . . . . 14 About Your Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Front View (Tower Orientation). . . . . . . . . . . . . . . . . . . . . . . 19 Back View (Tower Orientation). . . . . . . . . . . . . . . . . . . . . . . 21 Back Panel Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Front View (Desktop Orientation). . . . . . . . . . . . . . . . . . . . . . 24 Back View (Desktop Orientation). . . . . . . . . . . . . . . . . . . . . . 25 Inside View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Inside View – Hard Drive Bay Rotated Out. . . . . . . . . . . . . . . . . 27 System Board Components. . . . . . . . . . . . . . . . . . . . . . . . . 28 Cable Colors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Locating Your User’s Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Removing the Computer Cover. . . . . . . . . . . . . . . . . . . . . . . . . . 30 Caring for Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Solving Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Resolving Software and Hardware Incompatibilities . . . . . . . . . . . 32 Using Microsoft® Windows® XP System Restore. . . . . . . . . . . . . 33 Using the Last Known Good Configuration. . . . . . . . . . . . . . . . . 34 Dell Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Before You Start Testing . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Beep Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Diagnostic Lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Diagnostic Light Codes Before POST. . . . . . . . . . . . . . . . . . . . 38 Diagnostic Light Codes During POST. . . . . . . . . . . . . . . . . . . . 40 Frequently Asked Questions. . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454ContentsQuick Reference Guide5 Finding Information NOTE: Some features or media may be optional and may not ship with your computer. Some features or media may not be available in certain countries. NOTE: Additional information may ship with your computer. What Are You Looking For?Find It Here •A diagnostic program for my computer •Drivers for my computer •My computer documentation •My device documentation •Desktop System Software (DSS) Drivers and Utilities CD (also known as Resource CD) Documentation and drivers are already in... »