Dell™ Latitude™ D531 Service ManualModel PP04XNotes, Notices, and CautionsInformation in this document is subject to change without notice.© 2007 Dell Inc. All rights reserved.Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.; Microsoft, Windows, Windows Vista, and the Windows Vista Start button are eithertrademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and isused by Dell under license.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.April 2007 Rev. A00Before You BeginMedia Bay DevicesHard DriveHinge CoverKeyboardMemoryDisplayInternal Card With Bluetooth® Wireless TechnologyMini-CardCoin-Cell BatteryPalm RestModemProcessor Thermal-Cooling AssemblyProcessor ModuleUsing CardsSystem Board AssemblyFanBaseBattery Latch AssemblyFlashing the BIOSNOTE: 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.