Tumama

Dell™ OptiPlex™ 740
Quick Reference Guide

Models DCSM, DCNE, DCCY

w w w. d e l l . c o m | s u p p o r t . d e l l . c o m

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 CAUTIONindicates 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 thewritten permission of Dell Inc. is strictly
forbidden.
Trademarks used in this text: Dell, OptiPlex, and the DELL logo are trademarks of Dell Inc.; 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 ortheir products. Dell Inc. disclaims any proprietary interest in trademarks and
trade names other than its own.
Models DCSM, DCNE, DCCY

January 2008

P/N NX484

Rev. A01

Contents

Finding Information

....................

Setting Up Your Computer .
System Views

5

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10

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14

Mini Tower Computer — Front View .

.......

14Mini Tower Computer — Back View .

.......

17

Mini Tower Computer — Back-Panel
Connectors . . . . . . . . . . . . . .

.......

19

Desktop Computer — Front View

.........

21

Desktop Computer — Back View

.........

23

..

24

Small Form Factor Computer — Front View

....

26

Small Form Factor Computer — Back View

....

29

Desktop Computer —Back-Panel Connectors

Small Form Factor Computer — Back-Panel
Connectors . . . . . . . . . . . . . . . . . .

...

30

.............

32

.................

32

Removing the Computer Cover
Before You Begin .

...............

34

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36

Mini Tower Computer .
Desktop Computer

...........

38

..................

39

Small Form Factor Computer .Inside Your Computer

...............

39

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43

Mini Tower Computer .
Desktop Computer

Small Form Factor Computer .

...........

Contents

47

3

Solving Problems

....................

50

..................

51

System Lights

....................

54

Diagnostic Lights.

....................

55

Beep Codes .

....................59

Dell Diagnostics .

Resolving Software and Hardware
Incompatibilities . . . . . . . . . .
Restoring Your Operating System .

........

60

.........

61

Reinstalling Your Microsoft Windows
Operating System . . . . . . . . . . .

Index

4

.......

63

Using the Drivers and Utilities Media .

.......

67

...............................

71

Contents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 and Utilities Media
• Drivers for my computer

NOTE: The Drivers andUtilities media may

• My computer documentation

be optional and may not ship with your
computer.

• My device documentation
• Desktop System Software (DSS)

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...