Dell Latitude LT System User Manual

Dell® Latitude® LT SystemUser’s Guide

xii CAUTION: To prevent electrical shock, disconnect the AC cord and the battery beforeservicing. CAUTION: FOR A COMPLETE ELECTRICAL DISCONNECTION,

Dell Latitude LT System User’s GuideB-2computer has been connected to any peripheral devices, look for loose ordisconnected cables. You may also need

TroubleshootingB-3Question: Why do I get the message Operating system not found?• If you get this message when starting from the hard disk, insert the

Dell Latitude LT System User’s GuideB-4 Question: Why is the image on an external monitor display distorted?• Confirm the monitor is connected correct

TroubleshootingB-5 Trouble With Keyboard/Glide Pad Question: Why doesn't the keyboard or the glide pad function?• Perform a software reset by pr

Dell Latitude LT System User’s GuideB-6• From the Start menu, select Settings - Printers to confirm your printer isinstalled here. If not, click Add

TroubleshootingB-7Question: Why can't I communicate through the built-in modem?(The built-in modem may not be available in some countries)• Confi

Dell Latitude LT System User’s GuideB-8

Warranty, Return Policy, and Year 2000 Statement of ComplianceC-1APPENDIX CWarranty, Return Policy, and Year2000 Statement of ComplianceLimited One-Ye

Dell Latitude LT System User’s GuideC-2Customer Technical Support within the warranty period. Refer to the chapter titled“Getting Help” in this manual

Warranty, Return Policy, and Year 2000 Statement of ComplianceC-3INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUTLIMITATION ANY LIABILITY FOR PR

xiii Safety Precautions General• Follow all cautions and instructions which may be marked on the computer.• Except as described elsewhere in this man

Dell Latitude LT System User’s GuideC-4issues the Credit Return Authorization Number. You must also prepay shippingcharges and insure the shipment or

Warranty, Return Policy, and Year 2000 Statement of ComplianceC-5Previous ProductsFor Dell-branded hardware products shipped prior to January 1, 1997,

Dell Latitude LT System User’s GuideC-6

Index1Index 33D sound, 4-8AAC adapter, 2-2assistancecontacting Dell, 8-5warranty repair or credit, 8-4audio, 4-8AutoTech service, 8-2Bbacking u

Dell Latitude LT System User’s Guide2Kkeyboard, 2-5connecting, 4-5system function keys, 2-5Llogical port, 5-2Mmicrophone, 4-8modem, 5-3mouse, 4-5Ppass

Index3Yyear 2000 compliance, C-5

xiv• Do not scratch the surface of the LCD screen.• Turn off the computer and disconnect the AC power cord before cleaning. Battery Pack Precautions

xv Modem Precautions• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is spec

xviRecording Important InformationFor future reference, please record the following information in the spaces providedbelow.Model Number:Serial Number

xviiManual ConventionsThis manual uses a set of style conventions described below.Notes and Cautions are italicized with icons:A note icon informs you

xviii

xixOverview of ComputerActual appearance of your computer may be slightly different depending on themodel.Front

xxRightLeft

xxiRearBottom

NoticeInformation in this manual is subject to change without notice and does not represent acommitment on the part of Dell Computer Corporation.Dell

xxii

xxiiiTable of Contents Quick Setup 1-1Turning Power On ...1-1Sett

xxivSecurity Features 6-1Passwords ...6-1Security Slot...

Quick Setup1-1CHAPTER 1Quick SetupYour computer is designed and pre-configured for easy setup and use. This chapterdescribes the steps to get your com

Dell Latitude LT System User’s Guide1-24. Plug the AC power cord into a wall outlet.5. Slide the display lock latch until the screen cover releases, a

Quick Setup1-3Setting Up the Windows® Operating SystemThe first steps in the setup process are as follows:• Gathering information• Configuring your co

Dell Latitude LT System User’s Guide1-4 Shutting Down the System • Do not turn off the computer by sliding the power switch. Data may belost or damag

Basic Operations2-1CHAPTER 2Basic OperationsThis chapter describes the basic operations of your computer.Choosing Power SourceYou can use the computer

Dell Latitude LT System User’s Guide2-2 Using the AC Adapter When connected to a wall outlet, the AC adapter provides power for operation andcharges

Basic Operations2-3 You can turn off the computer with the power switch if you encounter hardware orsoftware problems which lock up the system. In thi

vNotice for Users in the USAFCC StatementWARNING: FCC Regulations state that any unauthorized changes or modificationsto this equipment not expressly

Dell Latitude LT System User’s Guide2-4Using the Glide PadTake a moment to become familiar with how the glide pad works.Place Your FingertipPlace your

Basic Operations2-5ScrollYou can scroll through information in a list or in a document by using the glidepad. Place your finger on the right part of t

Dell Latitude LT System User’s Guide2-6 Decreases the LCD screen brightness. Increases the LCD screen brightness. Turns the screen backlight on a

Basic Operations2-73. Connect the connector of the floppy disk drive unit to the floppy disk driveport.Removing External Floppy Disk Drive Unit1. Remo

Dell Latitude LT System User’s Guide2-8 Inserting and Removing a Floppy Disk Inserting • Always insert a floppy disk straight into the computer.• Whe

Basic Operations2-9Formatting a Floppy DiskWhen you format a floppy disk, all data previously stored on the disk islost.1. Make sure the floppy disk i

Dell Latitude LT System User’s Guide2-10

Battery and Power Management3-1CHAPTER 3Battery and Power ManagementThis chapter explains how to manage the computer’s power effectively and use thest

Dell Latitude LT System User’s Guide3-2Checking the Battery LevelYou can check the battery level in the Power Management properties dialog box inthe C

Battery and Power Management3-3Low Battery IndicationWhen the battery power becomes significantly low, the battery power indicator ( )turns red and th

vi About the Modem This equipment complies with Part 68 of FCC Rules. On the bottom of thisequipment is a label that contains, among other informat

Dell Latitude LT System User’s Guide3-42. Turn on the computer.3. When the message Press <F2> to enter Setup Utility appears, press F2 toopen th

Battery and Power Management3-5Optional External Battery PackYou can use an optional external battery pack to power your computer for longerperiods of

Dell Latitude LT System User’s Guide3-6Removing External Battery PackBefore removing the external battery pack, turn off the computer orconfirm that t

Battery and Power Management3-7Charging External Battery PackYou can charge the external battery pack by connecting AC power to the computerwith the e

Dell Latitude LT System User’s Guide3-8Power ManagementPower management saves electricity and extends battery life by controlling powersupply to built

Battery and Power Management3-9 Suspend Modes The power management feature contains two types of suspend modes: suspend-to-RAM mode and suspend-to-dis

Dell Latitude LT System User’s Guide3-10 Resuming From Suspend-to-RAM Mode Your computer resumes from the suspend-to-RAM mode in each of the following

Battery and Power Management3-11Disabling Power ManagementIn the Setup Utility1. In the Power menu, set Power Management Function to Enabled.2. Set Ha

Dell Latitude LT System User’s Guide3-12

Peripherals4-1CHAPTER 4 PeripheralsThis chapter describes how to use peripheral devices with your computer. You canconnect a printer, external monito

vii The Telephone Consumer Protection Act of 1991 makes it unlawful for any personto use a computer or other electronic device, including fax machines

Dell Latitude LT System User’s Guide4-2Peripheral Connection Overview

Peripherals4-3PC CardYour computer is equipped with a PC card (PCMCIA) slot, which canaccommodate one Type II card. Before inserting a PC card into y

Dell Latitude LT System User’s Guide4-4Raise the PC card eject button only when you need to push it. The ejectbutton may get knocked off the computer

Peripherals4-5Connecting the Optional External CD-ROM DriveYou can connect the optional external CD-ROM drive using the PC card slot.Keyboard/MouseYou

Dell Latitude LT System User’s Guide4-6Using a Serial MouseConnect the serial mouse to the RS-232C serial port of the external floppy diskdrive unit.

Peripherals4-7Switching the Display1. In the Display Properties dialog box, select Settings; then select Advanced ….2. Select NeoMagic tab; then click

Dell Latitude LT System User’s Guide4-8True Color (24 bit) means about 16,770,000 (16M) colors.• If you select True Color in the Color Palette,* The d

Peripherals4-9USB DeviceYour computer has a new interface called Universal Serial Bus (USB). With aUSB connection, you can connect/disconnect periphe

Dell Latitude LT System User’s Guide4-10RS-232C DeviceYou can use RS-232C devices, such as a modem or a terminal adapter, with yourcomputer. An RS-232

Communication Functions5-1CHAPTER 5Communication FunctionsThis chapter explains how to use infrared communications and the built-in modem.Infrared Com

viii Notice for Users in Canada About the Modem The Industry Canada label identifies certified equipment. This certification meansthat the equipmen

Dell Latitude LT System User’s Guide5-2• Disable the screen saver.IR ModeYour computer supports two available IR modes: IrDA (Infrared Data Associatio

Communication Functions5-3Built-in Modem (not available in somecountries)You can use the built-in modem for data transfer, fax communication and voice

Dell Latitude LT System User’s Guide5-4Disabling Power ManagementTo use communication software, you may have to disable power management. SeeDisabling

Security Features6-1CHAPTER 6Security FeaturesThis chapter describes how to protect your computer against unauthorized use,computer viruses and theft.

Dell Latitude LT System User’s Guide6-2• Diskette access• Fixed disk boot sectorWhen the system starts or resumes from the suspend-to-disk modeIf you

Security Features6-34. Press Enter again.5. When the confirmation message appears, press Enter.6. Press Esc and select Exit Saving Changes.7. Press En

Dell Latitude LT System User’s Guide6-4Security SlotYou can prevent theft by using a security cable and the security slot on the left orright side of

Setup Utility7-1CHAPTER 7Setup UtilityThis chapter describes how to run the Setup Utility to change settings on yourcomputer.Running the Setup Utility

Dell Latitude LT System User’s Guide7-26. When the message Setup Confirmation appears, press Enter again. The systemrestarts.To turn off the computer

Setup Utility7-3Main MenuSystem Time Defines the system time, using the format hour:minute:second (24-hour format). The Tab key moves the cursor, and

ixcombination of devices subject only to the requirement that the total RingerEquivalence Number of all the devices does not exceed 5. CAUTION: Disco

Dell Latitude LT System User’s Guide7-4Advanced MenuSerial Port Sets the RS-232C serial port, selecting the base I/O address. Enabledmeans that you ca

Setup Utility7-5Security Menu• See the previous chapter about setting passwords.• In some password settings, you cannot select some items.Set Supervis

Dell Latitude LT System User’s Guide7-6Power MenuSee Chapter 3 for information about power management and thebattery.The default Power menu options wi

Setup Utility7-7Resume On Modem Ring Defines whether the system resumes from the suspend-to-RAM mode when the modem receives a call.The built-in modem

Dell Latitude LT System User’s Guide7-8

Getting Help8-1CHAPTER 8Getting HelpThis chapter describes the tools Dell provides to help you when you have a problemwith your computer. It also tell

Dell Latitude LT System User’s Guide8-2• Self-diagnostic tools — A system-specific troubleshooting application forresolving many computer-related issu

Getting Help8-3continue the session later. The code number that the AutoTech service gives youallows you to continue your session where you ended it.T

Dell Latitude LT System User’s Guide8-4Technical Support ServiceDell’s industry-leading hardware technical-support service is available 24 hours aday,

Getting Help8-53. Include any accessories that belong with the item(s) being returned (powercables, software diskettes, guides and so on) if the retur

x Notice for Users in Europe This equipment complies with the requirements of Directives 89/336/EECand 73/23/EEC as amended by 93/68/EEC. Dieses Ger

Dell Latitude LT System User’s Guide8-6To place a long-distance call within your own country, use area codes instead ofinternational access codes, cou

Getting Help8-7Country (City)InternationalAccess CodeCountryCode City CodeMexico (Colonia Granada) 95 52 5Netherlands (Amsterdam) 00 31 20New Zealand

Dell Latitude LT System User’s Guide8-8Belgium (Brussels)For technical assistance in this country after normal working hours, use one of thefollowing

Getting Help8-9TechConnect BBS (Austin, Texas, U.S.A.)...512-728-8528TechFax...

Dell Latitude LT System User’s Guide8-10Fax Switchboard...45170117Web site: suppo

Getting Help8-11Customer Technical Support ...06103 971-200Customer Care ...

Dell Latitude LT System User’s Guide8-12Italy (Milan)For technical assistance in this country after normal working hours, use one of thefollowing numb

Getting Help8-13Customer Technical Support(Austin, Texas, U.S.A.)...512-728-4093Customer Service (

Dell Latitude LT System User’s Guide8-14Corporate Sales...toll free: 1 800 888 213Mexico (Colonia Gr

Getting Help8-15Fax... 0800 441 566Norway (Lysaker)Customers in Nor

xi CE NoticeMarking by the symbol indicates compliance of this Dell system to the EMC(Electromagnetic Compatibility) directive and the LVD (Low Volt

Dell Latitude LT System User’s Guide8-16Transaction Sales...toll free: 800 6011 054Corporate Sales...

Getting Help8-17Technical Support... 08 590 05 199Customer Care ...

Dell Latitude LT System User’s Guide8-18U.K. (Bracknell)For technical assistance in this country after normal working hours, use one of thefollowing n

Getting Help8-19toll free: 1-800-879-3355Spare Parts Sales ...toll free: 1-800-357-3355DellWare®.

Dell Latitude LT System User’s Guide8-20

Maintenance and SpecificationsA-1APPENDIX AMaintenance and SpecificationsMaintenanceThis section provides you with information on how to maintain the

Dell Latitude LT System User’s GuideA-2 Traveling With the Computer This computer is designed for portability. For safety and convenience whentravelin

Maintenance and SpecificationsA-3SpecificationsParts SpecificationsCPU MMX™ technology Pentium® Processor using Intel’s MobileModule (frequency differ

Dell Latitude LT System User’s GuideA-4Options• AC Adapter• External battery pack• Carrying case• PC Cards• External CD-ROM drive

TroubleshootingB-1APPENDIX BTroubleshootingThis chapter describes how to troubleshoot computer problems.Common ProblemsProblems with your computer can