Dell D400 - Latitude - Pentium M 1.3 GHz Manuel utilisateur

Dell Latitude D400 Service Manual

Dell™ Latitude™ D400 Service Manual

Before You Begin

Preparing to Work Inside the Computer

Recommended Tools

Computer Orientation

Screw Identification

Using the Dell Diagnostics

When to Use the Dell Diagnostics

Features of the Dell Diagnostics

Starting the Dell Diagnostics

System Components

Keyboard

Removing the Keyboard

Installing the Keyboard

Memory

Installing a Memory Module Under the Memory

Module/Modem Cover

Installing a Memory Module Under the Keyboard

Mini PCI Card

Modem

Hard Drive

Removing the Hard Drive

Installing the Hard Drive

Removing the Interposer

Replacing the Interposer

Docking Doors

Removing the Docking Doors

Installing the Docking Doors

Bluetooth™

Display

Removing the Display Assembly

Replacing the Display Latch

Palm Rest

Cooling Fan

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Dell Latitude D400 Service Manual

Touch Pad

System Board

Removing the System Board

Replacing the System Board

Reserve Battery

Flashing the BIOS

Speakers

Battery Latch

Pin Assignments for I/O Connectors

USB Connector

Video Connector

Serial Connector

Dell D/Bay Connector

Mini Recommended Spares List

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.

Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.; Microsoft

and Windows are registered trademarks of Microsoft Corporation; Bluetooth is a trademark owned by

Bluetooth SIG, Inc. and is used by Dell Inc. under license.

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.

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Dell Latitude D400 Service Manual

Model PPT

October 2003 Rev. A02

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Before You Begin: Dell Latitude D400 Service Manual

Back to Contents Page

Before You Begin

Dell™ Latitude™ D400 Service Manual

Preparing to Work Inside the Computer

Recommended Tools

Computer Orientation

Screw Identification

Preparing to Work Inside the Computer

CAUTION: 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. Read and follow the safety instructions

in the System Information Guide that came with the computer.

CAUTION: To prevent static damage to components inside your

computer, discharge static electricity from your body before you touch

any of your computer's electronic components. You can do so by

touching an unpainted metal surface.

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 microprocessor by

its edges, not by its pins.

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

you begin working inside the computer.

1. Ensure that the work surface is flat and clean to prevent scratching the

computer cover.

2. Save any work in progress and exit all open programs.

3. Turn off the computer and all attached devices.

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Before You Begin: Dell Latitude D400 Service Manual

NOTE: Ensure that the computer is off and not in a power management mode.

If you cannot shut down the computer using the computer operating system,

press and hold the power button for 4 seconds.

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

5. Disconnect the computer from the electrical outlet.

6. To avoid possible damage to the system board, wait 10 to 20 seconds and then

disconnect any attached devices.

7. Disconnect all other external cables from the computer.

8. Remove any installed PC Cards from the PC Card slot.

9. Close the display and turn the computer upside down on a flat work surface.

NOTICE: To avoid damaging the system board, you must remove the main

battery before you service the computer.

10. Slide and hold the battery-bay latch release on the bottom of the computer, and

then remove the battery from the bay.

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Before You Begin: Dell Latitude D400 Service Manual

Recommended Tools

The procedures in this manual require the following tools:

●Phillips screwdriver

●Flat-blade screwdriver

●Small plastic scribe

●Flash BIOS update program floppy disk or CD

Computer Orientation

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Before You Begin: Dell Latitude D400 Service Manual

1back

2right

3front

4left

Screw Identification

When you are removing and replacing components, photocopy "Screw Identification"

as a tool to lay out and keep track of the screws. The screw identification chart

provides the number of screws and their sizes.

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Before You Begin: Dell Latitude D400 Service Manual

keyboard

(two each)

1428U

modem

(one each)

1428U

hard drive

(four each)

2864D

display removal

(six each)

4911U

display bezel

(six each)

7166P

display latch

(two each)

5H953

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Before You Begin: Dell Latitude D400 Service Manual

palm rest

(thirteen each)

4911U

(two each)

5H953

fan

(three each)

1428U

system board

(six each)

1428U

(one each, if a BIOS card is present)

1428U

speakers

(two each)

4911U

Back to Contents Page

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Before You Begin: Dell Latitude D400 Service Manual

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