Macao, Website support.ap.dell.com Malaysia Penang | Dell D420

	Macao	Technical Support	toll-free: 0800 105
	Macao
		Customer Service (Xiamen, China)	34 160 910
	Country Code: 853
	Country Code: 853	Transaction Sales (Xiamen, China)	29 693 115
		Transaction Sales (Xiamen, China)	29 693 115
		Website: support.ap.dell.com
	Malaysia (Penang)
	Malaysia (Penang)	Technical Support (Dell Precision, OptiPlex, and Latitude)	toll-free: 1 800 880 193

	International Access Code: 00	Technical Support (Dimension, Inspiron, and Electronics and Accessories)	toll-free: 1 800 881 306
		Technical Support (PowerApp, PowerEdge, PowerConnect, and PowerVault)	toll-free: 1800 881 386
	Country Code: 60
	Country Code: 60	Customer Care	toll-free: 1800 881 306 (option 6)
		Customer Care	toll-free: 1800 881 306 (option 6)

	City Code: 4	Transaction Sales	toll-free: 1 800 888 202
		Corporate Sales	toll-free: 1 800 888 213

			001-877-384-8979
		Customer Technical Support
			or 001-877-269-3383

	Mexico		50-81-8800
	Mexico	Sales
		Sales
	International Access Code: 00		or 01-800-888-3355

			001-877-384-8979
			001-877-384-8979
	Country Code: 52	Customer Service
	Country Code: 52		or 001-877-269-3383
			or 001-877-269-3383

			50-81-8800
		Main
			or 01-800-888-3355

	Montserrat	General Support	toll-free: 1-866-278-6822

	Netherlands Antilles	General Support	001-800-882-1519

		Website: support.euro.dell.com

		Technical Support for XPS	020 674 45 94

		Technical Support for all other Dell computers	020 674 45 00

	Netherlands (Amsterdam)	Technical Support Fax	020 674 47 66

		Home/Small Business Customer Care	020 674 42 00
		Home/Small Business Customer Care	020 674 42 00
	International Access Code: 00
	International Access Code: 00	Relational Customer Care	020 674 4325

	Country Code: 31	Home/Small Business Sales	020 674 55 00
	Country Code: 31
	City Code: 20	Relational Sales	020 674 50 00

		Home/Small Business Sales Fax	020 674 47 75
		Home/Small Business Sales Fax	020 674 47 75

		Relational Sales Fax	020 674 47 50

		Switchboard	020 674 50 00

		Switchboard Fax	020 674 47 50

	New Zealand	Website: support.ap.dell.com

	International Access Code: 00	E-mail: support.ap.dell.com/contactus

	Country Code: 64	General Support	0800 441 567

	Nicaragua	General Support	001-800-220-1006

		Website: support.euro.dell.com

		Technical Support for XPS	815 35 043
	Norway (Lysaker)
	Norway (Lysaker)	Technical Support for all other Dell products	671 16882
		Technical Support for all other Dell products	671 16882

	International Access Code: 00	Relational Customer Care	671 17575
	Country Code: 47	Home/Small Business Customer Care	23162298

		Switchboard	671 16800
		Switchboard	671 16800

		Fax Switchboard	671 16865

	Panama	General Support	001-800-507-0962

	Peru	General Support	0800-50-669

		Website: support.euro.dell.com

	Poland (Warsaw)	E-mail: pl_support_tech@dell.com
	Poland (Warsaw)
	International Access Code:	Customer Service Phone	57 95 700
	International Access Code:	Customer Care	57 95 999
	011	Customer Care	57 95 999
	Country Code: 48	Sales	57 95 999

		Customer Service Fax	57 95 806
		Customer Service Fax	57 95 806
	City Code: 22
	City Code: 22	Reception Desk Fax	57 95 998

		Switchboard	57 95 999

	Portugal	Website: support.euro.dell.com

	International Access Code: 00	Technical Support	707200149
	Country Code: 351	Customer Care	800 300 413
	Country Code: 351

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Dell D420 Macao, Website support.ap.dell.com Malaysia Penang, Mexico, Montserrat, Netherlands Antilles, Nicaragua, Panama

Contents

Dell Latitude D420 Users Guide Abbreviations and Acronyms Device status lights About Your ComputerFront View Fingerprint reader optional Keyboard and network status lights Right View Audio connectorsLeft View Network connector RJ-45 USB connectorsModem connector RJ-11 Video connector Bottom View Back to Contents Cleaning Your Computer Appendix FCC Class B Macrovision Product NoticeFCC Notice U.S. Only Checking the Battery Charge Using a BatteryBattery Performance Dell QuickSet Battery Meter Low-Battery Warning Conserving Battery PowerPower Management Modes Standby Mode Replacing the Battery Configuring Power Management SettingsCharging the Battery Hibernate Mode Storing a Battery Card Types Using CardsInstalling a PC Card or 34-mm ExpressCard Card Blanks Installing a 34-mm Express Card Installing a Smart Card or Secure Digital SD CardInstalling a PC Card Removing a PC Card, 34-mm Express Card, or Blank Back to Contents Switching the Video Image Using the DisplayAdjusting Brightness Setting Display Resolution and Refresh Rate Swapping Primary and Secondary Displays Finding Information What Are You Looking For? Find It Here Dell Support Website support.dell.com Service Tag and Microsoft Windows LicenseGuides 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 Obtaining Assistance Online ServicesGetting Help Ftp.dell.com Automated Order-Status Service Problems With Your OrderAutoTech Service Support Service Contacting Dell Diagnostics ChecklistBefore You Call Antigua and Barbuda 0011 ArubaAustralia Sydney Website support.euro.dell.com Costa Rica China XiamenColombia Czech Republic Prague Germany Langen France Paris MontpellierCorporate Greece Jamaica GeneralItaly Milan Website support.jp.dell.com Mexico MacaoWebsite support.ap.dell.com Malaysia Penang Montserrat St. Lucia Puerto RicoSt. Kitts and Nevis St. Vincent Website support.ap.dell.com Thailand Website support.ap.dell.com Taiwan002 Trinidad/Tobago Virgin Islands Venezuela Key Combinations Using the Keyboard and Touch PadNumeric Keypad Fingerprint Reader optional Power ManagementTouch Pad Speaker Functions Mouse Properties window Changing the Track-Stick CapCustomizing the Touch Pad and Track Stick Page Network Setup Wizard Setting Up a NetworkPhysically Connecting to a Network or Broadband Modem Wireless Local Area Network Wlan What You Need to Establish a Wlan Connection Checking Your Wireless Network CardSetting Up a New Wlan Connecting to a Wireless Local Area Network Determining the Wireless Network Device Manager Connecting to a Mobile Broadband Network Mobile Broadband or Wireless Wide Area Network WwanEnabling/Disabling the Wireless Network Card Under Pick a Help topic, click Dell User and System Guides Dell Wi-Fi Catcher Network Locator Internet Connection Firewall Recommended Tools Adding and Replacing PartsBefore You Begin 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 Securing Your Computer Using Smart CardsPasswords Security Cable Lock Using a Hard Drive Password Using a Primary/System PasswordUsing an Administrator Password Trusted Platform Module TPM Security Management Software Enabling the TPM FeatureUsing the Security Management Software Activating the Security Management Software Computer Tracking Software If Your Computer Is Lost or Stolen System Setup Screens System Setup ProgramViewing the System Setup Screens Commonly Used Settings Enabling the Infrared Sensor Performing a One-Time BootChanging COM Ports Locate Fast IR under Onboard DevicesPage Reinstalling Drivers and Utilities Reinstalling SoftwareWhat Is a Driver? Drivers Software and Hardware Incompatibilities Using the Drivers and Utilities CDManually Reinstalling Drivers Click Start→ Help and Support Undoing the Last System Restore Using Microsoft Windows XP System RestoreCreating a Restore Point Restoring Your Operating System Reinstalling Windows XP Using the Operating System CDEnabling System Restore Before You Begin Specifications Audio CommunicationsVideo 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 Packing the Computer Traveling With Your ComputerIdentifying Your Computer Travel Tips Back to Contents Dell Diagnostics TroubleshootingDell Technical Update Service When to Use the Dell Diagnostics Dell Diagnostics Main Menu Option Function Dell Support Utility Drive ProblemsAccessing the Dell Support Utility Clicking the Dell Support Icon Problems writing to a CD/DVD-RW drive CD and DVD drive problemsHard drive problems If you hear an unfamiliar scraping or grinding sound Verify that the modem is communicating with Windows Mail, Modem, and Internet ProblemsError Messages Page Click Start→ Control Panel→ Add or Remove Programs External Keyboard problems Ieee 1394 Device ProblemsKeyboard Problems Computer does not start up Lockups and Software ProblemsUnexpected characters Computer stops responding Other software problems Memory ProblemsNetwork Problems Solid blue screen appears Mobile Broadband Network PC Card or ExpressCard ProblemsWireless Local Area Network Wlan Restart the computer and log on to the network again Docking Power Considerations Power ProblemsEnsuring Sufficient Power for Your Computer AC Power Loss While the Computer Is Docked Printer ProblemsScanner Problems Docking While the Computer Is Running No sound from headphones Sound and Speaker ProblemsTouch Pad or Mouse Problems No sound from integrated speakers If the display is difficult to read Video and Display ProblemsIf the display is blank Click Start→ Control Panel→ Appearance and Themes Adjust the Windows display settingsIf only part of the display is readable Connect an external monitor