Dell OptiPlex 740 DCSM 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.
Trademarksusedinthistext: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 HX166 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

4Contents
Solving Problems . . . . . . . . . . . . . . . . . . . . 50
Dell Diagnostics. . . . . . . . . . . . . . . . . . . 51
System Lights . . . . . . . . . . . . . . . . . . . . 54
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.

6Quick Reference Guide
• Warranty information
• Terms and Conditions (U.S. only)
• Safety instructions
• Regulatory information
• Ergonomics information
• End User License Agreement
Dell™ Product Information Guide
• How to remove and replace parts
• Specifications
• How to configure system settings
• How to troubleshoot and solve
problems
Dell™ OptiPlex™ User’s Guide
Microsoft Windows Help and Support
Center
1 Click Start → Help and Support →
Dell User and System Guides
→ System
Guides
.
2 Click the User’s Guide for your
computer.
The User’s Guide is also available on the
optional Drivers and Utilities media.
What Are You Looking For? Find It Here

Quick Reference Guide 7
• Service Tag and Express Service Code
• Microsoft Windows License Label
Service Tag and Microsoft®Windows®
License
These labels are located on your
computer.
• Use the Service Tag to identify your
computer when you use
support.dell.com or contact support.
• Enter the Express Service Code to direct
your call when contacting support.
What Are You Looking For? Find It Here

8Quick Reference Guide
• How to reinstall my operating system Operating System Media
NOTE: The Operating System media may
be optional and may not ship with your
computer.
The operating system is already installed
on your computer. To reinstall your
operating system, use the Operating
System media. See "Reinstalling Your
Microsoft Windows Operating System"
on page 63.
After you reinstall your operating system,
you can use the optional Drivers and
Utilities media to reinstall drivers for the
devices that came with your computer.
Your operating system product key label is
located on your computer.
NOTE: The color of your media varies
based on the operating system you ordered.
What Are You Looking For? Find It Here

Quick Reference Guide 9
• Solutions — Troubleshooting hints and
tips, articles from technicians,
frequently asked questions, and online
courses
• Community — Online discussion with
other Dell customers
• Upgrades — Upgrade information for
components, such as memory, the hard
drive, and the operating system
• Customer Care — Contact
information, service call and order
status, warranty, and repair information
• Service and support — Service call
status and support history, service
contract, online discussions with
technical support
• Reference — Computer
documentation, details on my
computer configuration, product
specifications, and white papers
• Downloads — Certified drivers,
patches, and software updates
• Desktop System Software (DSS) — If
you reinstall the operating system for
your computer, you should also reinstall
the DSS utility. DSS provides critical
updates for your operating system and
support for Dell™ 3.5-inch USB floppy
drives, processors, optical drives, and
USB devices. DSS is necessary for
correct operation of your Dell
computer. The software automatically
detects your computer and operating
system and installs the updates
appropriate for your configuration.
Dell Support Website — support.dell.com
NOTE: Select your region or business
segment to view the appropriate support
site.
To download Desktop System Software:
1 Go to support.dell.com , select your
region or business segment, and enter
your Service Tag.
2 Select Drivers & Downloads and
click
Go .
3 Click your operating system and search
for the keyword
Desktop System
Software
.
NOTE: The support.dell.com user interface
may vary dependent upon your selections.
What Are You Looking For? Find It Here

10 Quick Reference Guide
Setting Up Your Computer
CAUTION: Before performing any of the procedures in this section, follow the
safety instructions in Product Information Guide.
NOTICE: If your computer has an expansion card installed (such as a modem
card), connect the appropriate cable to the card, not to the connector on the back
panel.
NOTICE: To help allow the computer to maintain proper operating temperature,
ensure that you do not place the computer too close to a wall or other storage
compartment that might prevent air circulation around the chassis.
NOTE: Before you install any devices or software that did not ship with your
computer, read the documentation that came with the device or software, or
contact the vendor to verify that the device or software is compatible with your
computer and operating system.
• How to use Windows Vista
®
or
Windows
®
XP
• How to work with programs and files
• How to personalize my desktop
Windows Help and Support Center
1 To access Windows Help and Support:
•
In Windows Vista , click Start →
Help and Support
.
•
In Windows XP , click Start → Help
and Support
.
2 Type a word or phrase that describes
your problem and click the arrow icon.
3 Click the topic that describes your
problem.
4 Follow the instructions on the screen.
What Are You Looking For? Find It Here