Dell OPTIPLEX 740 User manual

www.dell.com | support.dell.com
Dell™ OptiPlex™ 740
Quick Reference Guide
Models DCSM, DCNE, DCCY

Notes, Notices, and Cautions
NOTE: 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.
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.
© 2008 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly
forbidden.
Trademarks usedinthistext:Dell,OptiPlex,andtheDELLlogoaretrademarksofDellInc.;Microsoft,
Windows,Windows Vista, and the Windows Vista Start Button are registered trademarks of Microsoft
Corporation.
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.
Models DCSM, DCNE, DCCY
January 2008 P/N CR008 Rev. A01

Contents 3
Contents
Finding Information . . . . . . . . . . . . . . . . . . . . 5
Setting Up Your Computer . . . . . . . . . . . . . . . . 10
System Views . . . . . . . . . . . . . . . . . . . . . . 14
Mini Tower Computer — Front View . . . . . . . . 14
Mini Tower Computer — Back View . . . . . . . . 17
Mini Tower Computer — Back-Panel Connectors . 19
Desktop Computer — Front View . . . . . . . . . 21
Desktop Computer — Back View . . . . . . . . . 23
Desktop Computer — Back-Panel Connectors . . 24
Small Form Factor Computer — Front View . . . . 26
Small Form Factor Computer — Back View . . . . 29
Small Form Factor Computer — Back-Panel
Connectors . . . . . . . . . . . . . . . . . . . . . 30
Removing the Computer Cover . . . . . . . . . . . . . 32
Before You Begin . . . . . . . . . . . . . . . . . . 32
Mini Tower Computer. . . . . . . . . . . . . . . . 34
Desktop Computer . . . . . . . . . . . . . . . . . 36
Small Form Factor Computer . . . . . . . . . . . . 38
Inside Your Computer . . . . . . . . . . . . . . . . . . 39
Mini Tower Computer. . . . . . . . . . . . . . . . 39
Desktop Computer . . . . . . . . . . . . . . . . . 43
Small Form Factor Computer . . . . . . . . . . . . 47
Solving Problems . . . . . . . . . . . . . . . . . . . . 50
Dell Diagnostics . . . . . . . . . . . . . . . . . . 51
System Lights . . . . . . . . . . . . . . . . . . . . 54

4Contents
Diagnostic Lights. . . . . . . . . . . . . . . . . . . . . 55
Beep Codes . . . . . . . . . . . . . . . . . . . . . 59
Resolving Software and Hardware
Incompatibilities . . . . . . . . . . . . . . . . . . 60
Restoring Your Operating System . . . . . . . . . . 61
Reinstalling Your Microsoft Windows
Operating System . . . . . . . . . . . . . . . . . . 63
Using the Drivers and Utilities Media. . . . . . . . 67
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Quick Reference Guide 5
Finding Information
NOTE: Some features or media may be optional and may not ship with your
computer. Some features or media may not be available in certain countries.
NOTE: Additional information may ship with your computer.
What Are You Looking For? Find It Here
• A diagnostic program for my computer
• Drivers for my computer
• My computer documentation
• My device documentation
• Desktop System Software (DSS)
Drivers and Utilities Media
NOTE: The Drivers and Utilities media may
be optional and may not ship with your
computer.
Documentation and drivers are already
installed on your computer. You can use
the Drivers and Utilities media to reinstall
drivers (see "Using the Drivers and
Utilities Media" on page 67), to run the
Dell Diagnostics (see "Dell Diagnostics"
on page 51), or to access your
documentation.
Readme files may be included on your
media (CD or DVD) to provide the most
current updates about technical changes
to your computer or advanced technical-
reference material for technicians or
experienced users.
NOTE: Drivers and documentation updates
can be found at support.dell.com.