Acer 420 User Manual
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Acer TravelMate 420 Series

Service Guide

Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw

PART NO.: VD.T19V5.001

PRINTED IN TAIWAN

Revision History

Please refer to the table below for the updates made on TravelMate 420 service guide.

Date

Chapter

Updates

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

II

Copyright

Copyright © 2002 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.

Disclaimer

The information in this guide is subject to change without notice.

Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.

Acer is a registered trademark of Acer Corporation. Intel is a registered trademark of Intel Corporation.

Pentium and Pentium II/III are trademarks of Intel Corporation.

Other brand and product names are trademarks and/or registered trademarks of their respective holders.

III

Conventions

The following conventions are used in this manual:

SCREEN MESSAGES

Denotes actual messages that appear

 

on screen.

 

 

NOTE

Gives bits and pieces of additional

 

information related to the current

 

topic.

 

 

WARNING

Alerts you to any damage that might

 

result from doing or not doing specific

 

actions.

 

 

CAUTION

Gives precautionary measures to

 

avoid possible hardware or software

 

problems.

 

 

IMPORTANT

Reminds you to do specific actions

 

relevant to the accomplishment of

 

procedures.

 

 

IV

Preface

Before using this information and the product it supports, please read the following general information.

1.This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-oncard, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases, please contact your regional offices or the responsible personnel/channel to provide you with further technical details.

2.Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-dateinformation available on your regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in the printed Service Guide. ForACER-AUTHORIZEDSERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

V

VI

Table of Contents

Chapter 1

System Specifications

1

Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Bottom View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Outlook View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Left Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Right Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Bottom Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Lock Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Embedded Numeric Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Hot Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

The Euro Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Launch Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

E-MailDetection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Touchpad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Touchpad Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Hardware Specifications and Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Chapter 2

System Utilities

39

BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Navigating the BIOS Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

System Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

BIOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

System Diagnostic Diskette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Running Diagnostics Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Chapter 3

Machine Disassembly and Replacement

61

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Disassembly Procedure Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Removing the Optical Module/HDD Module and Memory . . . . . . . . . . . . . . . . . . . . 66 Removing the Optical Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Removing the HDD module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Removing the Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Removing the Keyboard/ LCD Module and VGA Board . . . . . . . . . . . . . . . . . . . . . 67 Removing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Removing the LCD module and VGA Board . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Disassembling the Main Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Disassembling the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Disassembling the External Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Disassembling the HDD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Disassembling the Optical Disk Drive Module/Combo Drive Module . . . . . . . 75

VII

Table of Contents

Chpater 4

Troubleshooting

77

System Check Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 External Diskette Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 External CD-ROM/DVD-ROMDrive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Keyboard or Auxiliary Input Device Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Memory Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Power System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Touchpad Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Display Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Sound Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Power-OnSelf-Test(POST) Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Index of Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Index ofSymptom-to-FRUError Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Intermittent Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 POST Task Routines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Index of Flash BIOS Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Chapter 5

Jumper and Connector Locations

97

Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

SW1 Settings (Lid switch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

SW2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Chapter 6

FRU (Field Replaceable Unit) List

101

Appendix A Model Definition and Configuration

118

TravelMate 420 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. 118

Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. 119

Appendix C Test Compatible Components

121

Microsoft® Windows® XP Home Environment Test . . . . . . . . . . . . . . . . . . . . . . .

122

Microsoft® Windows® XP Pro Environment Test . . . . . . . . . . . . . . . . . . . . . . . . .

125

Microsoft® Windows® 2000 Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . .

127

Appendix B Online Support Information

129

Appendix C

Index

131

VIII

Chapter 1

System Specifications

Features

This computer was designed with the user in mind. Here are just a few of its many features:

Performance

Intel® Pentium®4 Processor with 512KB level 2 cache

DDR 226 (O/c2100) SDRAM, memory expandable up to 1GB Internal optical drive

High-capacity,Enhanced-IDEhard diskLi-Ionmain battery pack

Power management system with ACPI (Advanced Configuration Power Interface)

Display

Thin-FilmTransistor (TFT)liquid-crystaldisplay (LCD) displaying32-bithigh true colour up to 16.7 million colours at 1024X768 eXtended Graphics Array (XGA) resolution for 14.1”/15.0” or 1400x1050 Super eXtended Graphics Array+ (SXGA+) for resolution for some 15.0” models (specification varies depending on models)

3D capabilities

Simultaneous LCD and CRT display at 1024x768, 16.7M colours

S-videofor output to a television or display device that supportsS-videoinput

“Automatic LCD dim” feature that automatically decides the best settings for your display and conserves power

Dual display capability

Multimedia

18-bithigh-fidelityAC’97 stereo audioBuilt-indual speakers

Built-inmicrophoneHigh-speedoptical driveS-video(NTSC/PAL) output

Connectivity

High-speedfax/data modem port Ethernet/Fast Ethernet port

3 USB (Universal Serial Bus) ports IEEE 1394 port

SD/MMmC memory slot Acer EasyPort port replicator Bluetooth ready (optional)

Human-centricdesign and ergonomics

4-wayscroll button

Chapter 1

1

Sleek, smooth and stylish design

Acer FinTouch full-sizedcurved keyboard

Ergonomically-centeredtouchpad pointing device

Expansion

One type II CardBus PC Card slots

Upgradeable memory

Keyboard and Pointing Device

84/85/88-keywindows keyboard

Built-intouchpad pointing device with ergonomic buttons and4-wayintegrated scroll key

5 launch keys, including Internet browser, email (with LED for received mail), and 3 userprogammable keys

Acer InviLinkTM button for wireless models

Embedded numeric keypad

International language support

I/O Ports

One type II CardBus slots One RJ-11modem jack OneRJ-45network jack

One DC-injack for AC adapter

One ECP/EPP-compliantparallel port One external monitor port

One headphone/speaker/line-outjack (3.5mm mini jack) Onemicrophone/line-injack (3.5mm mini jack)

One S-video-out(NTSC/PAL) port Three Universal Serial Bus (USB) ports One IEEE 1394 port

100-pinport replicator connector for Acer EasyPort One SD/MMC slots

One memory stick slot

2

Chapter 1