Dell PY349 owner manual W . d e l l . c o m s u p p o r t . d e l l . c o m, Microphone connector

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Dell™ Dimension™ E521

Owner’s Manual

Service Tag

CD or DVD eject button

CD or DVD activity light

FlexBay for optional floppy drive or Media Card Reader

cover latch release

microphone connector

headphone connector

diagnostic lights

hard-drive activity light

power button/ power activity light

USB 2.0 connectors (2)

Model DCSM

w w w . d e l l . c o m s u p p o r t . d e l l . c o m

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Contents Diagnostic lights Hard-drive activity light Microphone connectorUSB 2.0 connectors W . d e l l . c o m s u p p o r t . d e l l . c o mAbbreviations and Acronyms Contents Microsoft Windows operating system Resolving Software and Hardware Incompatibilities Using Microsoft Windows XP System RestoreConnecting and Disconnecting Drive Cables Addressing Memory With 4-GB ConfigurationsRecommended Drive Cable Connections 100111 107112 116Contents Finding Information What Are You Looking For? Find it Here Warranty informationAppropriate for your configuration Enter your Service Tag or product modelHow to use Windows XP How to work with programs and filesSetting Up and Using Your Computer Location of Service TagFront View of the Computer Cover latch releaseDiagnostic lights Headphone connectorPower button Power lightPower connector Voltage selection switchBack panel connectors Back View of the ComputerBack Panel Connectors Connecting a Printer Setting Up a PrinterPrinter Cable Center/subwooferUSB connector on computer 2 USB printer cable Connecting to the InternetSetting Up Your Internet Connection Playing CDs and DVDs Adjusting the Picture Adjusting the VolumeUsing Blank CDs and DVDs How to Copy a CD or DVDCopying CDs and DVDs Media Type Read Write Rewritable Helpful TipsXD-Picture Card Using a Media Card Reader OptionalSmartMedia SMC SecureDigital Card SDConnecting Two Monitors With VGA Connectors Connecting Two MonitorsFollow the procedures in Before You Begin on VGA blue connector Connecting a TVChanging the Display Settings Setting Up a Home and Office NetworkConnecting to a Network Adapter Network cable Setting Up and Using Your ComputerNetwork Setup Wizard Power ManagementStandby Mode Power Options Properties Hibernate ModeEnabling Cool ’n’ Quiet Technology Place the power options iconAdvanced Tab Hibernate TabRAID Level 1 Configuration About RAID ConfigurationsUsing the Nvidia MediaShield ROM Utility Configuring Your Hard Drives for RAIDRebuilding a RAID Configuration Using Nvidia MediaShieldSetting Up and Using Your Computer Battery Problems Troubleshooting TipsSolving Problems CD and DVD drive problems Drive ProblemsHard drive problems Mail, Modem, and Internet ProblemsProblems writing to a CD/DVD-RW drive From the Power Schemes tab, select Always OnError Messages Keyboard Problems Computer does not start up Lockups and Software ProblemsComputer stops responding Program stops respondingProgram crashes repeatedly Other software problemsSolid blue screen appears Media Card Reader Problems Mouse Problems Memory ProblemsNetwork Problems Power Problems Printer Problems Scanner Problems No sound from speakers Sound and Speaker ProblemsNo sound from headphones Video and Monitor ProblemsIf the screen is blank If the screen is difficult to read Light Pattern Problem Description Suggested Resolution Diagnostic LightsTroubleshooting Tools Have identified a faulty module or Remove the card, reinstall it see PCIReinstalled all modules without error If available, install properly workingLight Pattern Problem Description Dell Diagnostics Main Menu Dell DiagnosticsOption Function Drivers What Is a Driver?Identifying Drivers Tab FunctionUsing Windows XP Device Driver Rollback Reinstalling DriversWindows XP Click the Start button and click Control Panel Restoring Your Operating System Resolving Software and Hardware IncompatibilitiesUsing Microsoft Windows XP System Restore Enabling System Restore Using Dell PC RestoreEnsure that Turn off System Restore is unchecked Click SystemTroubleshooting Tools Before You Begin Using the Operating System CDTroubleshooting Tools Before You Begin Removing and Installing PartsRecommended Tools Turning Off Your ComputerBefore Working Inside Your Computer Removing the Computer Cover Bottom hinge tabs Removing and Installing PartsCover latch release Computer cover Inside View of Your Computer System board Hard drive Removing and Installing PartsFront-panel connector Serial ATA drive connectorsSystem Board Components PW12VA1Battery socket BT1 Memory Installation GuidelinesStandby power indicator MemoryChannel a matched pair of memory Addressing Memory With 4-GB ConfigurationsDIMM2 white securing clips DIMM4 black securing clips Memory connector farthest Securing clips Installing MemoryCrossbar Removing and Installing Parts From processor DIMM1Removing Memory PCI Cards CardsRelease tab Bracket caught outside of slot Card retention door Alignment guide Alignment barRemoving and Installing Parts Removing and Installing Parts PCI Express Cards PCI Express x16 card Securing tab Bracket caught outside of slot Card retention door Removing and Installing Parts Removing and Installing Parts Removing the Drive Panel Drive PanelSide hinges Sliding plate leverRemoving the Drive-Panel Insert Drive-panel insert Removing and Installing PartsReplacing the Drive-Panel Insert Drive panel Drive-panel insert tabAlign the drive panel tabs with the side hinges Replacing the Drive PanelDrive panel tabs Side hinges Recommended Drive Cable Connections DrivesCD/DVD drive FlexBay for optional floppy Drive Interface Connectors Connecting Drive CablesConnecting and Disconnecting Drive Cables Power Connector Power cableRemoving a Hard Drive Hard DrivesTabs Installing a Hard DriveHard-drive bracket Hard drive DriveSerial ATA data cable Release tabs Second hard drive in lower bay Adding a Second Hard DriveRemoving a Floppy Drive Floppy DriveDrive latch release Sliding plate Installing a Floppy Drive Power cable Removing a Media Card Reader Media Card ReaderNot present on all computers Media Card Reader Media Card Reader Installing a Media Card Reader Removing and Installing Parts Removing a CD/DVD Drive CD/DVD Drive100 Drive release latch Sliding plate 101CD/DVD drive Installing a CD/DVD Drive103 Replacing the Battery BatteryBattery release lever 105 Replacing the Computer CoverComputer cover Back of computer 106 107 SpecificationsAudio 108Expansion Bus Drives109 ConnectorsControls and Lights 110 PowerWattage rating PhysicalEntering System Setup System SetupOverview 111112 System Setup Options113 Regardless of the No Boot setting114 PerformanceTime 115Strip or surge protector Setup & Boot Menu Boot SequenceQuickboot feature 117 Changing Boot Sequence for the Current BootClearing Forgotten Passwords Cleaning Your Computer Clearing Cmos SettingsComputer, Keyboard, and Monitor 119Mouse Dell Technical Support Policy U.S. OnlyFloppy Drive CDs and DVDsFCC Notice U.S. Only Definition of Dell-Installed Software and PeripheralsDefinition of Third-Party Software and Peripherals FCC Class BContacting Dell Dell Dimension E521122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 Should be called from within Singapore or 139Malaysia only 140 141 142 143 144 Glossary 145146 147 148 149 NIC See network adapter 150151 152 153 154 Index 155156 157 Problems diagnostic lights, 49 drives158 USB

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