Dell™ Latitude™ ATG D620 User's GuideFor information on other documentation included with your computer, see Finding Information.Notes, Notices, and CautionsAbbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the Glossary.If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable.Information in this document is subject to change without notice.© 2007 Dell Inc. All rights reserved.Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, ExpressCharge, TravelLite, Strike Zone, Wi-FiCatcher, Dell MediaDirect, XPS, a n d Dell OpenManage are trademarks of Dell Inc.; Core and Intel are registered trademarks of Intel Corporation; Microsoft, Outlook, and Windows areregistered trademarks of Microsoft Corporation; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; TouchStrip is a trademark ofUPEK, Inc.; EMC is a registered trademark of EMC Corporation; ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner,Dell Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency.Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims anyproprietary interest in trademarks and trade names other than its own.Model PP18LJanuary 2007 P/N FP139 Rev. A01Finding InformationUsing a BatteryAbout Your ComputerUsing the KeyboardUsing the DisplayUsing MultimediaUsing CardsUsing NetworksSecuring Your ComputerTroubleshootingSystem Setup ProgramReinstalling SoftwareAdding and Replacing PartsDell™ QuickSet FeaturesTraveling With Your ComputerGetting HelpSpecificationsAppendixGlossaryNOTE: A NOTE indicates important information that helps you make better use of your computer.NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.