Dell™ OptiPlex™ 780 Service Manual

Mini-Tower Computer

Working on Your Computer
Removing and Replacing Parts
Specifications
Diagnostics
System Setup

Notes, Cautions, and Warnings

NOTE: 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.
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.
© 2009 Dell Inc. All rights reserved.
Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell , the DELL logo, OptiPlex a re trademarks of Dell Inc.; Intel , Core, and Celeron are either trademarks or
registered trademarks of Intel Corporation in the U.S. and other countries; Microsoft , Windows, Windows Server, MS- DOS and Windows Vista are
either trademarks or registered trademarks of Microsoft Corporation 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 any proprietary interest in trademarks and trade names other than its own.
October 2012 Rev. A02