Gateway 450SX4 Manuel utilisateur

450SX4

Service Guide

Contents

Replacing Gateway 450SX4 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Identifying your notebook model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Identifying components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Preparing your work space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Preventing static electricity discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Preparing your notebook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Disconnecting from the port replicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Removing the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Removing the main battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Removing the optional secondary battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Adding or replacing memory modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Replacing the 802.11 mini PCI card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Replacing the hard drive kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Replacing the hard drive in the hard drive kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Replacing the keyboard cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Replacing the keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Replacing the modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Replacing the LED indicator panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Replacing the cooling assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Replacing the hinge covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Replacing the LCD panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Replacing the palm rest assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Replacing the CMOS battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Replacing the power board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Replacing the system board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Replacing

Gateway 450SX4

Components

Use this service guide to help plan your maintenance tasks

for the Gateway 450SX4 notebook. All tasks covered in this

guide can be performed by an authorized field technician

without jeopardizing your notebook’s warranty.

For information on your notebook’s general maintenance,

technical support, safety notices, and regulatory notices,

see your Gateway user’s guide.

If you have suggestions regarding the content of this guide,

send an e-mail with the subject “Service Guide Comments”

to channel.services@gateway.com.

stylized logo, and the black-and-white spot design are trademarks or registered

trademarks of Gateway, Inc. in the United States and other countries. All other brands

and product names are trademarks or registered trademarks of their respective

companies.

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Replacing Gateway 450SX4 Components

www.gateway.com

Identifying your notebook model

The label on the bottom of your notebook contains information that identifies

your notebook model and its features.

Warning It is important that you use the correct service guide for

your notebook. Failure to follow the approved tasks for your

notebook model may result in damage to the notebook.

Gateway

model

number

Identifying components

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Identifying components

Where screw measurements are shown, the first number indicates screw head

width, and the second number indicates screw length.

Use this chart to identify the main components of your notebook. For a

complete list of replaceable parts, see the Contents.

LCD panel assembly

(see page 52)

Keyboard

(see page 34)

Palm rest assembly

(see page 57)

Cooling assembly

(see page 47)

System board

(see page 69)

Keyboard cover

(see page 30)

LED indicator panel

(see page 43)

Replacing Gateway 450SX4 Components

www.gateway.com

Preparing your work space

Before performing maintenance on your notebook, make sure that your work

space and your notebook are correctly prepared.

■Wear a grounding (ESD) wrist strap, and use a grounded or dissipative work

mat.

■Use a stable and strong table, and make sure that the table top is large

enough to hold each component as you remove it.

■Use bright lighting to make part identification easier.

■Keep your work surface free from clutter and dust that may damage

components.

■Use a magnetized screwdriver for removing screws.

■When removing components that are attached to the notebook by a cable,

unplug the cable before removing the screws, when possible, to avoid

damaging the cable.

■As you remove components and screws, lay them toward the rear of your

work surface (behind your notebook) or far enough to the side that your

arms do not accidentally brush them onto the floor.

■To help keep track of screws, try the following:

■Place each component’s screws in their own section of a parts sorter.

■Place each component’s screws next to the component on your work

surface.

■Print the first page of each task, then place the page toward the rear

of your work surface. As you remove screws, place the screws in their

respective boxes on the page. Where screw measurements are shown,

the first number indicates screw head width, and the second number

indicates screw length.

■After loosening screws that are deeply recessed in a hole (for example,

on the bottom of the base assembly), you can leave the screws in the

holes if you place small pieces of masking tape over the hole openings.

When reassembling the component, just remove the tape and tighten

the screws.

■When you place flat-headed screws on your work surface, stand them

on their heads to prevent the screws from rolling off the table.

Preventing static electricity discharge

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Preventing static electricity

discharge

The components inside your notebook are extremely sensitive to static

electricity, also known as electrostatic discharge (ESD).

Before replacing components, follow these guidelines:

■Turn off your notebook.

■Wear a grounding wrist strap (available at most electronics stores) and

attach it to a bare metal part of your workbench or other grounded

connection.

■Touch a bare metal surface on your workbench or other grounded object.

■Unplug the power cord and the modem and network cables.

■Remove the main and optional secondary batteries. For more information,

see “Removing the batteries” on page 8.

■Disconnect all peripheral devices and remove any PC Cards.

Warning ESD can permanently damage electrostatic

discharge-sensitive components in your notebook. Prevent

ESD damage by following ESD guidelines every time you

open your notebook case.

Warning To avoid exposure to dangerous electrical voltages and

moving parts, turn off your notebook and unplug the power

cord and modem and network cable before opening the

case.

Warning To prevent risk of electric shock, do not insert any object

into the vent holes of the notebook.

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