Dell Dimension 5150 Manuale utente

Dell™ Dimension™ 5150/E510 Service Manual

Before You Begin

Technical Overview

Specifications

Removing the Computer Cover

Removing and Installing Parts

Replacing the Computer Cover

Troubleshooting

System Setup

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.

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

Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Inc.; Intel, Intel SpeedStep, and Pentium are registered

trademarks of Intel Corporation; Microsoft and Windows 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.

Model DCSM

August 2006 Rev. A01

Back to Contents Page

Before You Begin

Dell™ Dimension™ 5150/E510 Service Manual

Getting Started

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

Getting Started

This section 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" and "Before Working Inside Your Computer."

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

Long Phillips screwdriver

Flash BIOS update program floppy disk or CD

Turning Off Your Computer

NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your

computer.

1. Shut down the operating system:

a. Save and close any open files, exit any open programs, click the Start button, and then click Turn Off

Computer.

b. In the Turn off computer window, click Turn off.

The computer turns off after the operating system shutdown process finishes.

2. Ensure that the computer and any 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 4 seconds.

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.

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

network port or device.

2. Disconnect any telephone or telecommunication lines from the computer.

3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to

ground the system board.

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

opening the cover.

4. Remove the computer cover.

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.

Back to Contents Page

Technical Overview

Dell™ Dimension™ 5150/E510 Service Manual

Front View of the Computer

Back View of the Computer

Inside View of Your Computer

System Board Components

Power Supply DC Connector Pin Assignments

Front View of the Computer

1cover latch

release Use this latch to remove the computer cover.

2location of

Service

Tag

Use the Service Tag to identify your computer when you access the Dell

Support website or call technical support.

3CD or DVD

eject

button

Press to eject a disk from the CD or DVD drive.

4CD or DVD

activity

light

The drive light is on when the computer reads data from the CD or DVD drive.

5 FlexBay Can contain an optional floppy drive or optional Media Card Reader. For more

information about the Media Card Reader, see your computer Owner's

Manual.

6 microphone Use the microphone connector to attach a personal computer microphone for

connector voice or musical input into a sound or telephony program.

On computers with a sound card, the microphone connector is on the card.

7 headphone

connector Use the headphone connector to attach headphones.

8 diagnostic

lights (4) Use the lights to help you troubleshoot a computer problem based on the

diagnostic code. For more information, see "Diagnostic Lights."

9 hard-drive

activity

light

The hard drive activity light is on when the computer reads data from or

writes data to the hard drive. The light might also be on when a device such

as a CD player is operating.

10 power

button,

power light

Press the power button to turn on the computer. The power light in the center

of this button indicates the power state. See "Specifications" for more

information.

NOTICE: To avoid losing data, do not use the power button to turn off the

computer. Instead, perform an operating system shutdown.

11 USB 2.0

connectors

(2)

Use the front USB connectors for devices that you connect occasionally, such

as joysticks or cameras. It is recommended that you use the back USB

connectors for devices that typically remain connected, such as printers,

keyboards, and mice, or for bootable USB devices, which may not function

properly if attached to the front connectors.

12 vents For adequate cooling, do not block any of the vents.

NOTICE: Ensure that there is a minimum of two inches of space between all

vents and any object near these vents.

NOTICE: Do not lift or carry the computer by the vents to avoid damage to

the computer.

NOTICE: Keep the vent area clean and dust-free to ensure that the computer

is adequately ventilated. Use only a dry cloth to clean the vent area to avoid

water damage to the computer.

Back View of the Computer

1voltage selection switch See the safety instructions in the Product Information Guide for more information.

2power connector Insert the power cable.

3back panel connectors Plug USB, audio, and other devices into the appropriate connector.

4card slots Access connectors for any installed PCI and PCI Express cards.

1link integrity

light Green — A good connection exists between a 10-Mbps network

and the computer.

Orange — A good connection exists between a 100-Mbps network

and the computer.

Off — The computer is not detecting a physical connection to the

network.

2network adapter

connector To attach your computer to a network or broadband device, connect one

end of a network cable to either a network jack or your network or

broadband device. Connect the other end of the network cable to the

network adapter connector on the back panel of your computer. A click

indicates that the network cable has been securely attached.

NOTE: Do not plug a telephone cable into the network connector.

On computers with a network connector card, use the connector on the

card.

It is recommended that you use Category 5 wiring and connectors for

your network. If you must use Category 3 wiring, force the network

speed to 10 Mbps to ensure reliable operation.

3network activity

light Flashes a yellow light when the computer is transmitting or receiving

network data. A high volume of network traffic may make this light

appear to be in a steady "on" state.

4 surround

connector Use the black surround connector to attach multichannel-capable

speakers.

5line-in connector Use the blue line-in connector to attach a record/playback device such

as a cassette player, CD player, or VCR.

On computers with a sound card, use the connector on the card.

6 line-out

connector Use the green line-out connector (available on computers with

integrated sound) to attach headphones and most speakers with

integrated amplifiers.

On computers with a sound card, use the connector on the card.

7 micro-

phone/side

surround

connector

Use the pink and silver connector to attach a personal computer

microphone for voice or musical input into a sound or telephony

program.

On computers with a sound card, the microphone connector is on the

card.

The side-surround output provides enhanced surround audio for

computers with 7.1 speakers.

8 center/subwoofer

connector Use the yellow connector to attach a speaker to a Low Frequency Effects

(LFE) audio channel.

9VGA video

connector If your monitor has a VGA connector, plug it into the VGA connector on

the computer.

10 USB 2.0

connectors (5) Use the back USB connectors for devices that typically remain

connected, such as printers, keyboards, and mice, or for bootable USB

devices which may not function properly if attached to the front

connectors (see "System Setup" for more information on booting to a

USB device)

It is recommended that you use the front USB connectors for devices

that you connect occasionally, such as joysticks or cameras.

Inside View of Your Computer

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

Product Information Guide.

System Board Components

Power Supply DC Connector Pin Assignments

DC Main Power Connector P1

Pin Number Signal Name 18-AWG Wire

1+3.3 VDC* Orange

2+3.3 VDC* Orange

3 COM Black

4 +5VDC Red

5 COM Black

6+5 VDC Red

7 COM Black

8 POK Gray

9+5 VFP Purple

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