Dell D420 specifications Hard Drive Removing the Hard Drive

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NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall connector.

3.Disconnect any telephone or network cables from the computer.

4.Disconnect your computer and all attached devices from their electrical outlets.

NOTICE: To prevent damage to the system board, remove the main battery before you service the computer.

5.Remove the battery (see Replacing the Battery).

6.Press the power button to ground the system board.

Hard Drive

CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not remove the hard drive while the computer is turned on, in standby mode, or in hibernate mode.

NOTICE: Hard drives are extremely fragile; even a slight bump can damage the drive.

NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell.

NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system (see Restoring Your Operating System) and drivers (see Drivers) on the new hard drive.

NOTE: Since this computer does not have an optical drive, you will need to use the Media Base (sold separately) to install any software on this computer.

Removing the Hard Drive

To remove the hard drive:

1. Follow the procedures in Before You Begin.

NOTE: Before you remove the hard drive, ensure that you removed the main battery.

2.Turn the computer upside down, and loosen the two captive screws on the metal bracket that holds the hard drive.

3.Holding the bracket by the sides, slide it toward the back of the computer to dislodge the bracket from underneath the two metal clips.

4.Remove the metal bracket from the hard drive and lay the bracket aside.

1	captive screws (2)	2	metal bracket	3	hard drive
4	metal clips (2)

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Contents Dell Latitude D420 Users Guide Abbreviations and AcronymsFront View About Your ComputerDevice status lights Fingerprint reader optional Keyboard and network status lightsLeft View Audio connectorsRight View USB connectors Modem connector RJ-11Network connector RJ-45 Video connectorBottom View Back to Contents Cleaning Your Computer AppendixFCC Notice U.S. Only Macrovision Product NoticeFCC Class B Using a Battery Battery PerformanceChecking the Battery Charge Dell QuickSet Battery MeterConserving Battery Power Power Management ModesLow-Battery Warning Standby ModeConfiguring Power Management Settings Charging the BatteryReplacing the Battery Hibernate ModeStoring a Battery Using Cards Installing a PC Card or 34-mm ExpressCardCard Types Card BlanksInstalling a PC Card Installing a Smart Card or Secure Digital SD CardInstalling a 34-mm Express Card Removing a PC Card, 34-mm Express Card, or Blank Back to Contents Using the Display Adjusting BrightnessSwitching the Video Image Setting Display Resolution and Refresh RateSwapping Primary and Secondary Displays Finding Information What Are You Looking For? Find It HereService Tag and Microsoft Windows License GuidesDell Support Website support.dell.com Select Drivers & Downloads and click GoOperating System CD Glossary Device driver See driver Docking device See APRPage Page NIC See network adapter Page Video resolution See resolution System tray See notification areaBack to Contents Online Services Getting HelpObtaining Assistance Ftp.dell.comProblems With Your Order AutoTech ServiceAutomated Order-Status Service Support ServiceDiagnostics Checklist Before You CallContacting Dell Antigua and BarbudaAruba Australia Sydney0011 Website support.euro.dell.comChina Xiamen ColombiaCosta Rica Czech Republic PragueFrance Paris Montpellier CorporateGermany Langen GreeceGeneral Italy MilanJamaica Website support.jp.dell.comMacao Website support.ap.dell.com Malaysia PenangMexico MontserratPuerto Rico St. Kitts and NevisSt. Lucia St. VincentWebsite support.ap.dell.com Taiwan 002Website support.ap.dell.com Thailand Trinidad/TobagoVirgin Islands VenezuelaNumeric Keypad Using the Keyboard and Touch PadKey Combinations Power Management Touch PadFingerprint Reader optional Speaker FunctionsCustomizing the Touch Pad and Track Stick Changing the Track-Stick CapMouse Properties window Page Setting Up a Network Physically Connecting to a Network or Broadband ModemNetwork Setup Wizard Wireless Local Area Network WlanSetting Up a New Wlan Checking Your Wireless Network CardWhat You Need to Establish a Wlan Connection Connecting to a Wireless Local Area Network Determining the Wireless Network Device Manager Mobile Broadband or Wireless Wide Area Network Wwan Enabling/Disabling the Wireless Network Card Connecting to a Mobile Broadband Network Under Pick a Help topic, click Dell User and System GuidesDell Wi-Fi Catcher Network Locator Internet Connection FirewallAdding and Replacing Parts Before You BeginRecommended Tools Turning Off Your ComputerHard Drive Removing the Hard Drive Dismantling the Hard Drive Replacing the Hard Drive Hinge CoverKeyboard MemoryPage Wireless Local Area Network Wlan Cards Mini-CardsMobile Broadband Wwan Cards Page Subscriber Identity Module SIM Card Internal Card With Bluetooth Wireless Technology Coin-Cell BatteryBack to Contents Dell QuickSet Using Smart Cards PasswordsSecuring Your Computer Security Cable LockUsing a Primary/System Password Using an Administrator PasswordUsing a Hard Drive Password Trusted Platform Module TPMEnabling the TPM Feature Using the Security Management SoftwareSecurity Management Software Activating the Security Management SoftwareComputer Tracking Software If Your Computer Is Lost or StolenSystem Setup Program Viewing the System Setup ScreensSystem Setup Screens Commonly Used SettingsPerforming a One-Time Boot Changing COM PortsEnabling the Infrared Sensor Locate Fast IR under Onboard DevicesPage Reinstalling Software What Is a Driver?Reinstalling Drivers and Utilities DriversUsing the Drivers and Utilities CD Manually Reinstalling DriversSoftware and Hardware Incompatibilities Click Start→ Help and SupportUsing Microsoft Windows XP System Restore Creating a Restore PointUndoing the Last System Restore Restoring Your Operating SystemUsing the Operating System CD Enabling System RestoreReinstalling Windows XP Before You BeginSpecifications Communications VideoAudio DisplayBattery AC AdapterPhysical EnvironmentalAbbreviations and Acronyms Start the Files and Settings Transfer Wizard Transferring Information to a New ComputerClick Files and Settings Transfer Wizard Back to Contents Traveling With Your Computer Identifying Your ComputerPacking the Computer Travel TipsBack to Contents Troubleshooting Dell Technical Update ServiceDell Diagnostics When to Use the Dell DiagnosticsDell Diagnostics Main Menu Option FunctionDrive Problems Accessing the Dell Support UtilityDell Support Utility Clicking the Dell Support IconCD and DVD drive problems Hard drive problemsProblems writing to a CD/DVD-RW drive If you hear an unfamiliar scraping or grinding soundError Messages Mail, Modem, and Internet ProblemsVerify that the modem is communicating with Windows Page Click Start→ Control Panel→ Add or Remove Programs Keyboard Problems Ieee 1394 Device ProblemsExternal Keyboard problems Lockups and Software Problems Unexpected charactersComputer does not start up Computer stops respondingMemory Problems Network ProblemsOther software problems Solid blue screen appearsPC Card or ExpressCard Problems Wireless Local Area Network WlanMobile Broadband Network Restart the computer and log on to the network againEnsuring Sufficient Power for Your Computer Power ProblemsDocking Power Considerations Printer Problems Scanner ProblemsAC Power Loss While the Computer Is Docked Docking While the Computer Is RunningSound and Speaker Problems Touch Pad or Mouse ProblemsNo sound from headphones No sound from integrated speakersIf the display is blank Video and Display ProblemsIf the display is difficult to read Adjust the Windows display settings If only part of the display is readableClick Start→ Control Panel→ Appearance and Themes Connect an external monitor

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