Dell™ XPS™ 730/730X Service ManualModel DCDONotes, Cautions, and WarningsInformation in this document is subject to change without notice.© 2008 Dell Inc. All rights reserved.Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.Trademarks used in this text: Dell, the DELL logo, and XPS are trademarks of Dell Inc.; Microsoft and Windows, are either trademarks or registered trademarks of MicrosoftCorporation in the United States and/or other countries.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.November 2008 Rev. A00Technical OverviewBefore You BeginReplacing the Computer StandReplacing the Computer CoverReplacing the Theater Lighting UnitReplacing Memory Module(s)Replacing a PCI/PCI Express CardReplacing DrivesReplacing the Heat Sink AssemblyReplacing the ProcessorReplacing FansReplacing the Master Control BoardReplacing the System BoardReplacing the Power SupplyReplacing the BatterySystem SetupNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.WARNING: A WARNING indicates a potential for property damage, personal injury, or death.