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Dell D420 specifications Back to Contents

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Dell Latitude D420 Users Guide Abbreviations and Acronyms About Your Computer Front ViewDevice status lights Fingerprint reader optional Keyboard and network status lights Audio connectors Left ViewRight View USB connectors Modem connector RJ-11Network connector RJ-45 Video connector Bottom View Back to Contents Cleaning Your Computer Appendix Macrovision Product Notice FCC Notice U.S. OnlyFCC Class B Using a Battery Battery PerformanceChecking the Battery Charge Dell QuickSet Battery Meter Conserving Battery Power Power Management ModesLow-Battery Warning Standby Mode Configuring Power Management Settings Charging the BatteryReplacing the Battery Hibernate Mode Storing a Battery Using Cards Installing a PC Card or 34-mm ExpressCardCard Types Card Blanks Installing a Smart Card or Secure Digital SD Card Installing a PC 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 Rate Swapping Primary and Secondary Displays Finding Information What Are You Looking For? Find It Here Service Tag and Microsoft Windows License GuidesDell Support Website support.dell.com Select Drivers & Downloads and click Go Operating 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 area Back to Contents Online Services Getting HelpObtaining Assistance Ftp.dell.com Problems With Your Order AutoTech ServiceAutomated Order-Status Service Support Service Diagnostics Checklist Before You CallContacting Dell Antigua and Barbuda Aruba Australia Sydney0011 Website support.euro.dell.com China Xiamen ColombiaCosta Rica Czech Republic Prague France Paris Montpellier CorporateGermany Langen Greece General Italy MilanJamaica Website support.jp.dell.com Macao Website support.ap.dell.com Malaysia PenangMexico Montserrat Puerto Rico St. Kitts and NevisSt. Lucia St. Vincent Website support.ap.dell.com Taiwan 002Website support.ap.dell.com Thailand Trinidad/Tobago Virgin Islands Venezuela Using the Keyboard and Touch Pad Numeric KeypadKey Combinations Power Management Touch PadFingerprint Reader optional Speaker Functions Changing the Track-Stick Cap Customizing the Touch Pad and Track StickMouse Properties window Page Setting Up a Network Physically Connecting to a Network or Broadband ModemNetwork Setup Wizard Wireless Local Area Network Wlan Checking Your Wireless Network Card Setting Up a New WlanWhat 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 CardConnecting to a Mobile Broadband Network Under Pick a Help topic, click Dell User and System Guides Dell Wi-Fi Catcher Network Locator Internet Connection Firewall Adding and Replacing Parts Before You BeginRecommended Tools Turning Off Your Computer Hard Drive Removing the Hard Drive Dismantling the Hard Drive Replacing the Hard Drive Hinge Cover Keyboard MemoryPage Wireless Local Area Network Wlan Cards Mini-Cards Mobile Broadband Wwan Cards Page Subscriber Identity Module SIM Card Internal Card With Bluetooth Wireless Technology Coin-Cell Battery Back to Contents Dell QuickSet Using Smart Cards PasswordsSecuring Your Computer Security Cable Lock Using a Primary/System Password Using an Administrator PasswordUsing a Hard Drive Password Trusted Platform Module TPM Enabling the TPM Feature Using the Security Management SoftwareSecurity Management Software Activating the Security Management Software Computer Tracking Software If Your Computer Is Lost or Stolen System Setup Program Viewing the System Setup ScreensSystem Setup Screens Commonly Used Settings Performing 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 Drivers Using the Drivers and Utilities CD Manually Reinstalling DriversSoftware and Hardware Incompatibilities Click Start→ Help and Support Using Microsoft Windows XP System Restore Creating a Restore PointUndoing the Last System Restore Restoring Your Operating System Using the Operating System CD Enabling System RestoreReinstalling Windows XP Before You Begin Specifications Communications VideoAudio Display Battery AC Adapter Physical Environmental Abbreviations and Acronyms Start the Files and Settings Transfer Wizard Transferring Information to a New Computer Click Files and Settings Transfer Wizard Back to Contents Traveling With Your Computer Identifying Your ComputerPacking the Computer Travel Tips Back to Contents Troubleshooting Dell Technical Update ServiceDell Diagnostics When to Use the Dell Diagnostics Dell Diagnostics Main Menu Option Function Drive Problems Accessing the Dell Support UtilityDell Support Utility Clicking the Dell Support Icon CD and DVD drive problems Hard drive problemsProblems writing to a CD/DVD-RW drive If you hear an unfamiliar scraping or grinding sound Mail, Modem, and Internet Problems Error MessagesVerify that the modem is communicating with Windows Page Click Start→ Control Panel→ Add or Remove Programs Ieee 1394 Device Problems Keyboard ProblemsExternal Keyboard problems Lockups and Software Problems Unexpected charactersComputer does not start up Computer stops responding Memory Problems Network ProblemsOther software problems Solid blue screen appears PC Card or ExpressCard Problems Wireless Local Area Network WlanMobile Broadband Network Restart the computer and log on to the network again Power Problems Ensuring Sufficient Power for Your ComputerDocking Power Considerations Printer Problems Scanner ProblemsAC Power Loss While the Computer Is Docked Docking While the Computer Is Running Sound and Speaker Problems Touch Pad or Mouse ProblemsNo sound from headphones No sound from integrated speakers Video and Display Problems If the display is blankIf 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