Acer Travelmate 4720 Service Guide

Acer
Travelmate 4720/4320
Service Guide
    
                                                                                                                                     PRINTED IN TAIWAN Service guide files and updates are available
on the ACER/CSD web; for more information, 
please refer to http://csd.acer.com.tw 

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Revision History
Please refer to the table below for the updates made on Travelmate 4720/4320 service guide.
DateChapterUpdates 

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Copyright
Copyright © 2007 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. 

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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,...

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Conventions
The following conventions are used in this manual:
SCREEN 
MESSAGESDenotes actual messages that appear on screen.
NOTEGives bits and pieces of additional information related to the current topic.
WARNINGAlerts you to any damage that might result from doing or not doing specific 
actions.
CAUTIONGives precautionary measures to avoid possible hardware or software 
problems.
IMPORTANTReminds you to do specific actions relevant to the accomplishment of 
procedures. 

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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 Acers 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-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT...

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System Specification  1
Features 1
Your Acer Notebook Tour  4
Front View 4
Closed Front View  5
Left View 6
Right View 6
Rear Panel 7
Bottom Panel  7
Indicators 8
Easy-launch Buttons 9
Productivity Keys  10
Touchpad 11
Touchpad Basics  11
Using the Keyboard  13
Lock Keys and Embedded Numeric Keypad  13
Windows Keys  14
Hotkeys 15
Special Keys  16
Acer Empowering Technology  17
Empowering Technology Password  17
Acer eNet Management   18
Acer ePower Management   20
Acer ePresentation Management   22...

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Pre-disassembly Instructions  48
Disassembly Process  49
External Module Disassembly Process  50
External Modules Disassembly Flowchart  50
Removing the Battery Pack  51
Removing the SD Dummy Card  51
Removing the Express Dummy Card  52
Removing the Lower Cover  53
Removing the DIMM  53
Removing the WLAN Board Modules  54
Removing the Hard Disk Drive Module  55
Removing the Optical Drive Module  57
Main Unit Disassembly Process  59
Main Unit Disassembly Flowchart  59
Removing the Fan Module  60...

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Board Layout 110
Top and Bottom View  110
Hardware Gap Setting  112
Standard Operation Procedures of Clearing BIOS Password and BIOS Recovery  113
Clearing BIOS password  113
Recovering BIOS  114
FRU (Field Replaceable Unit) List  115
Travelmate 4720/4320 Exploded Diagram  116
Travelmate 4720/4320 FRU List  118
Travelmate 4720/4320  126
Model Definition and Configuration  126
Test Compatible Components  129
Microsoft® Windows® Vista™ Environment Test  130
Online Support Information  131 

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