Dell OptiPlex 755 Stručná príručka spustenia

www.dell.com | support.dell.com

Dell™ OptiPlex™ 755

Quick Reference Guide

Models DCTR, DCNE, DCSM, and 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.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly

forbidden.

Trademarks used in this text: Dell, the DELL logo, OptiPlex, Inspiron, Dimension, Latitude, Dell

Precision, DellNet, TravelLite, OpenManage, PowerVault, Axim, PowerEdge, PowerConnect,

PowerApp, and StrikeZone are trademarks of Dell Inc.; Intel, Pentium, SpeedStep, and Celeron are

registered trademarks and Core and vPro are trademarks of Intel Corporation in the U.S and other

countries; Microsoft, MS-DOS, Windows, Windows Vista, and the Windows Vista Start Button are either

registered trademarks or trademarks of Microsoft Corporation in the United States and/or other

countries; IBM is a registered trademark of International Business Machines Corporation; Bluetooth

is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. under license. ENERGY STAR

is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner,

Dell Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

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: DCTR, DCNE, DCSM, and DCCY

July 2007 FN394 Rev. A00

Contents 3

Contents

Finding Information . . . . . . . . . . . . . . . . . . . . 5

Setting Up Your Computer

. . . . . . . . . . . . . . . . 10

Set Up Your Keyboard and Mouse

. . . . . . . . . 11

Set Up Your Monitor

. . . . . . . . . . . . . . . . 12

Power Connections

. . . . . . . . . . . . . . . . 12

Before You Begin

. . . . . . . . . . . . . . . . . . . . 13

Recommended Tools

. . . . . . . . . . . . . . . . 13

Turning Off Your Computer

. . . . . . . . . . . . . 13

Before Working Inside Your Computer

. . . . . . . 14

Mini Tower Computer

. . . . . . . . . . . . . . . . . . 16

System Views

. . . . . . . . . . . . . . . . . . . . 16

Removing the Computer Cover

. . . . . . . . . . . 22

Inside Your Computer

. . . . . . . . . . . . . . . 24

System Board Components

. . . . . . . . . . . . 25

Jumper Settings

. . . . . . . . . . . . . . . . . . 26

Desktop Computer

. . . . . . . . . . . . . . . . . . . . 27

System Views

. . . . . . . . . . . . . . . . . . . . 27

Removing the Computer Cover

. . . . . . . . . . . 32

Inside Your Computer

. . . . . . . . . . . . . . . 33

System Board Components

. . . . . . . . . . . . 35

Jumper Settings

. . . . . . . . . . . . . . . . . . 36

Small Form Factor Computer

. . . . . . . . . . . . . . 37

System Views

. . . . . . . . . . . . . . . . . . . . 37

Removing the Computer Cover

. . . . . . . . . . . 43

4 Contents

Inside Your Computer . . . . . . . . . . . . . . . . 44

System Board Components

. . . . . . . . . . . . . 46

Jumper Settings

. . . . . . . . . . . . . . . . . . 47

Ultra Small Form Factor Computer

. . . . . . . . . . . 48

System Views

. . . . . . . . . . . . . . . . . . . . 48

Removing the Computer Cover

. . . . . . . . . . . 55

Inside Your Computer

. . . . . . . . . . . . . . . . 56

Cable Cover (Optional)

. . . . . . . . . . . . . . . 57

System Board Components

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

Jumper Settings

. . . . . . . . . . . . . . . . . . 60

Solving Problems

. . . . . . . . . . . . . . . . . . . . 61

Dell Diagnostics

. . . . . . . . . . . . . . . . . . 61

System Lights

. . . . . . . . . . . . . . . . . . . . 65

Diagnostic Lights

. . . . . . . . . . . . . . . . . . 66

Beep Codes

. . . . . . . . . . . . . . . . . . . . . 70

Resolving Software and Hardware

Incompatibilities

. . . . . . . . . . . . . . . . . . 72

Restoring Your Operating System

. . . . . . . . . 73

Using Microsoft

Windows

System Restore . . . . 73

Using Dell™ PC Restore and Dell Factory

Image Restore

. . . . . . . . . . . . . . . . . . . 75

Using the Drivers and Utilities Media

. . . . . . . 78

Reinstalling Drivers and Utilities

. . . . . . . . . . 79

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

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

• 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 media to reinstall drivers (see

"Reinstalling Drivers and Utilities" on

page 79), to run the Dell Diagnostics (see

"Dell Diagnostics" on page 61).

Readme files may be included on your

media to provide last-minute 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.

6 Quick Reference Guide

• How to set up my computer

• How to run the Dell Diagnostics

• Error codes and diagnostic lights

• Tools and utilities

• How to set up a printer

• How to troubleshoot and solve problems

• How to remove and install parts

Owner’s Manual

NOTE: This document may be optional and

may not ship with your computer.

NOTE: This document is available as a PDF

at support.dell.com.

• 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

or

→

Help and

Support

→

Dell User and System

Guides

→

System Guides

.

2

Click the

User’s Guide

for your

computer.

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.

NOTE: As an increased security measure,

the newly designed Microsoft Windows

license label incorporates a missing portion

or "hole" to discourage removal of the label.

What Are You Looking For? Find It Here

8 Quick Reference Guide

• Solutions — Troubleshooting hints and

tips, articles from technicians, and

online courses, frequently asked

questions

• 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

• Dell Technical Update Service —

Proactive e-mail notification of software

and hardware updates for your computer

• Reference — Computer documentation,

details on my computer configuration,

product specifications, and white papers

• Downloads — Certified drivers, patches,

and software updates

Dell Support Website — support.dell.com

NOTE: Select your region or business

segment to view the appropriate support

site.

• 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 processors, optical drives,

USB devices, and so on. 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.

To download Desktop System Software:

1

Go to

support.dell.com

and click

Drivers & Downloads.

2

Enter your Service Tag or Product Type

and Product Model, and click

Go

.

3

Scroll to

System and Configuration

Utilities

→

Dell Notebook System

Software

and click

Download Now

.

4

Select

Drivers & Downloads

and

click

Go

.

NOTE: The support.dell.com user interface

may vary depending on your selections.

What Are You Looking For? Find It Here

Quick Reference Guide 9

• How to use 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 XP, click

Start

and click

Help and Support

.

• In Windows Vista™, click the

Windows Vista Start button

and

click

Help and Support

.

2

Type a word or phrase that describes

your problem, and then click the arrow

icon.

3

Click the topic that describes your

problem.

4

Follow the instructions on the screen.

• 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 "Restoring Your

Operating System" in your User’s Guide or

Owner’s Manual.

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. See your

Product Information Guide for more information.

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.

You must complete all the steps to properly set up your computer. See the

appropriate figures that follow the instructions.

NOTICE: Do not attempt to operate a PS/2 mouse and a USB mouse simultaneously.

1

Connect the keyboard and mouse.

NOTICE: Do not connect a modem cable to the network adapter connector.

Voltage from telephone communications can cause damage to the network adapter

2

Connect the modem or network cable.

Insert the network cable, not the telephone line, into the network

connector. If you have an optional modem, connect the telephone line to

the modem.

After you reinstall your operating system,

use the 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 CD varies based

on the operating system you ordered.

What Are You Looking For? Find It Here

Quick Reference Guide 11

3

Connect the monitor.

Align and gently insert the monitor cable to avoid bending connector pins.

Tighten the thumbscrews on the cable connectors.

NOTE: Some monitors have the video connector underneath the back of the

screen. See the documentation that came with your monitor for its connector

locations.

4

Connect the speakers.

5

Connect power cables to the computer, monitor, and devices and connect

the other ends of the power cables to electrical outlets.

NOTICE: To avoid damaging a computer with a manual voltage-selection switch,

set the switch for the voltage that most closely matches the AC power available in

your location.

NOTICE: In Japan, the voltage selection switch must be set to the 115-V position

even though the AC power available in Japan is 100 V.

6

Verify that the voltage selection switch is set correctly for your location.

Your computer has a manual voltage-selection switch. Computers with a

voltage selection switch on the back panel must be manually set to operate

at the correct operating voltage.

Set Up Your Keyboard and Mouse

12 Quick Reference Guide

Set Up Your Monitor

Power Connections

Quick Reference Guide 13

Before You Begin

This chapter provides procedures for removing and installing the components

in your computer. Unless otherwise noted, each procedure assumes that the

following conditions exist:

• You have performed the steps in "Turning Off Your Computer" on page 13

and "Mini Tower Computer" on page 16.

• You have read the safety information in your Dell™

Product Information

Guide.

• A component can be replaced by performing the removal procedure in

reverse order.

Recommended Tools

The procedures in this document may require the following tools:

• Small flat-blade screwdriver

• Phillips screwdriver

• Flash BIOS update program floppy disk or CD

Turning Off Your Computer

NOTICE: To avoid losing data, save and close all open files and exit all open

programs before you turn off your computer.

1

Shut down the operating system:

a

Save and close all open files and exit all open programs.

b

In the Microsoft

®

Windows

®

XP operating system

, click

Start

→

Shut

Down

→

Shut down

.

In the Microsoft

®

Windows Vista™ operating system,

click the

Windows Vista Start Button , in the lower-left corner of the

desktop, click the arrow in the lower-right corner of the Start menu as

shown below, and then click

Shut Down

.

The computer turns off after the operating system shutdown process is

complete.

14 Quick Reference Guide

NOTICE: Ensure that the computer and all attached devices are turned off. If your

computer and attached devices did not automatically turn off when you shut down

your operating system, press and hold the power button for about 4 seconds to turn

them off.

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from

potential damage and to help ensure your own personal safety.

CAUTION: Before you begin any of the procedures in this section, follow the

safety instructions in the Product Information Guide.

CAUTION: Handle components and cards with care. Do not touch the components

or contacts on a card. Hold a card by its edges or by its metal mounting bracket.

Hold a component such as a processor by its edges, not by its pins.

NOTICE: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by

your warranty.

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief

loop, not on the cable itself. Some cables have a connector with locking tabs; if you

are disconnecting this type of cable, press in on the locking tabs before you

disconnect the cable. As you pull connectors apart, keep them evenly aligned to

avoid bending any connector pins. Also, before you connect a cable, ensure that

both connectors are correctly oriented and aligned.

NOTICE: To avoid damaging the computer, perform the following steps before you

begin working inside the computer.

1

Turn off your computer.

2

If the computer is connected to a docking device (docked), undock it. See

the documentation that came with your docking device for instructions.

NOTICE: To disconnect a network cable, first unplug the cable from your computer

and then unplug it from the network wall jack.

3

Disconnect all telephone or network cables from the computer.

4

Disconnect your computer and all attached devices from their electrical

outlets, and then press the power button to ground the system board.

5

If applicable, remove the computer stand (for instructions, see the

documentation that came with the stand) and the cable cover, if attached

(see "Cable Cover (Optional)" on page 57).

Quick Reference Guide 15

CAUTION: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

6

Remove the computer cover.

• For a mini tower computer, see "Removing the Computer Cover" on

page 22.

• For a desktop computer, see "Removing the Computer Cover" on

page 32.

• For a small form factor computer, see "Removing the Computer

Cover" on page 43.

• For an ultra small form factor computer, see "Removing the Computer

Cover" on page 55.

NOTICE: Before touching anything inside your computer, ground yourself by

touching an unpainted metal surface, such as the metal at the back of the computer.

While you work, periodically touch an unpainted metal surface to dissipate any

static electricity that could harm internal components.

16 Quick Reference Guide

Mini Tower Computer

System Views

Front View

1 5.25-inch drive

bay

Can contain an optical drive. Insert a CD or DVD

(if supported) into this drive.

2 5.25-inch drive

bay

Can contain an optical drive. Insert a CD or DVD

(if supported) into this drive.

3

11

10

6

7

2

8

5

4

1

9

Quick Reference Guide 17

3 3.5-inch drive

bay

Can contain an optional floppy drive or optional media card

reader.

4 USB 2.0

connectors (2)

Use the front USB connectors for devices that you connect

occasionally, such as joysticks or cameras, or for bootable

USB devices (see your online User’s Guide for more

information on booting to a USB device).

It is recommended that you use the back USB connectors

for devices that typically remain connected, such as printers

and keyboards.

5 LAN indicator

light

This light indicates that a LAN (local area network)

connection is established.

6 diagnostic lights Use the lights to help you troubleshoot a computer problem

based on the diagnostic code. For more information, see

"Diagnostic Lights" on page 66.

7 power button Press this button to turn on the computer.

NOTICE: To avoid losing data, do not turn off the

computer by pressing the power button. Instead,

perform an operating system shutdown. See

"Turning

Off Your Computer

" on page 13

for more information.

NOTICE: If your operating system has ACPI enabled,

when you press the power button the computer will

perform an operating system shutdown.

18 Quick Reference Guide

8 power light The power light illuminates and blinks or remains solid to

indicate different operating modes:

• No light — The computer is turned off.

• Steady green — The computer is in a normal operating

state.

• Blinking green — The computer is in a power-saving mode

• Blinking or solid amber — The computer is receiving

electrical power, but an internal power problem may exist

(see "Power Problems" in the

User’s Guide

).

To exit from a power-saving mode, press the power button or

use the keyboard or the mouse if it is configured as a wake

device in the Windows Device Manager. For more

information about sleep modes and pwoer-saving mode, see

"Advanced Features’ in the User’s Guide.

See "Diagnostic Lights" on page 66 for a description of light

codes that can help you troubleshoot problems with your

computer.

9 hard drive

activity light

This light flickers when the hard drive is being accessed.

10 headphone

connector

Use the headphone connector to attach headphones and

most kinds of speakers.

11 microphone

connector

Use the microphone connector to attach a microphone.

Quick Reference Guide 19

Back View

1 cover-release

latch

This latch allows you to open the computer cover.

2 padlock ring Insert a padlock to lock the computer cover.

4

3

5

6

2

1

20 Quick Reference Guide

Back Panel Connectors

3 voltage selection

switch

Your computer is equipped with a manual voltage-selection

switch. To help avoid damaging a computer with a manual

voltage-selection switch, set the switch for the voltage that

most closely matches the AC power available in your

location.

NOTICE: In Japan, the voltage selection switch must be

set to the 115-V position.

Also, ensure that your monitor and attached devices are

electrically rated to operate with the AC power available in

your location.

4 power connector Insert the power cable.

5 back panel

connectors

Plug serial, USB, and other devices into the appropriate

connectors. See "Back Panel Connectors" on page 20.

6 card slots (4) Access connectors for any installed PCI or PCI Express cards,

PS/2 connector, eSATA connector, etc.

1 parallel connector Connect a parallel device, such as a printer, to the parallel

connector. If you have a USB printer, plug it into a USB

connector.

NOTE: The integrated parallel connector is automatically

disabled if the computer detects an installed card containing a

parallel connector configured to the same address. For more

information, see "System Setup Options" in the User’s Guide.

13

98 7

5

6

24

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