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Acer Aspire 2420 Service Guide

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    							Aspire 2920/2920Z/2420 Series
    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 
    						
    							II
    Revision History
    Please refer to the table below for the updates made on Aspire 2920/2920Z/2420 Series service guide.
    DateChapterUpdates 
    						
    							III
    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.
    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. 
    						
    							IV
    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. 
    						
    							V
    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 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-date information 
    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.  For ACER-AUTHORIZED SERVICE 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. 
    						
    							VII
    Table of Contents
    System Specifications  1
    Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
    System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
    Your Acer Notebook tour   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
    Front View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
    Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
    Left View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
    Right View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
    Rear View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
    Bottom View   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
    Indicators   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
    Easy-Launch Buttons   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
    Touchpad Basics   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
    Using the Keyboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
    Lock Keys and embedded numeric keypad   . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
    Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
    Hot Keys  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
    Special Key  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
    Acer Empowering Technology   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
    Empowering Technology password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
    Acer eNet Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
    Acer ePower Management    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
    Acer eAudio Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
    Acer ePresentation Management    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
    Acer eDataSecurity Management (for selected models)   . . . . . . . . . . . . . . . . . .21
    Acer eLock Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
    Acer eRecovery Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
    Acer eSettings Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
    Windows Mobility Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25
    Using the System Utilities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
    Acer GridVista (dual-display compatible)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
    Launch Manager  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
    Norton Internet Security   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
    Hardware Specifications and Configurations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
    System Utilities  39
    BIOS Setup Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
    Navigating the BIOS Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
    Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41
    Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  42
    Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
    Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
    Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  49
    BIOS Flash Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
    Removing HDD Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
    Machine Disassembly and Replacement  53
    Disassembly Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  53
    General Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
    Pre-disassembly Instructions   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
    Disassembly Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
    External Module Disassembly Process   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
    External Modules Disassembly Flowchart   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
    Removing the Battery Pack   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 
    						
    							VIII
    Table of Contents
    Removing the SD dummy card  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
    Removing the ExpressCard dummy card  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
    Removing the Lower Cover   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
    Removing the DIMM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
    Removing the WLAN Board Modules  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
    Removing the Hard Disk Drive Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
    Removing the Optical Drive Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  63
    Main Unit Disassembly Process  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
    Main Unit Disassembly Flowchart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
    Removing the CPU and VGA Heatsink Module   . . . . . . . . . . . . . . . . . . . . . . . . .65
    Removing the CPU  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
    Removing the Keyboard  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
    Removing the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
    Separating the Upper Case from the Lower Case   . . . . . . . . . . . . . . . . . . . . . . .74
    Removing the Launch Board   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
    Removing theTouch Pad Board Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
    Removing the main board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
    Removing the Speaker Modules  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
    Removing the Modem Board   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
    Removing the Bluetooth board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
     LCD Module Disassembly Process  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
    LCD Module Disassembly Flowchart   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
    Removing the LCD Bezel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  87
    Removing the LCD module with the Brackets   . . . . . . . . . . . . . . . . . . . . . . . . . .88
    Removing the Inverter Board and FPC Cable   . . . . . . . . . . . . . . . . . . . . . . . . . .90
    Removing the LCD Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
    Removing the Antennas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
    Removing the Internal Microphone and Web Camera   . . . . . . . . . . . . . . . . . . . .94
    Troubleshooting 97
    System Check Procedures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
    External Diskette Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  98
    External CD-ROM Drive Check   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
    Keyboard or Auxiliary Input Device Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  98
    Memory check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  99
    Power System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  99
    Touchpad Check  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
    Power-On Self-Test (POST) Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  102
    Index of Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  103
    Phoenix BIOS Beep Codes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
    Index of Symptom-to-FRU Error Message  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  111
    Intermittent Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  115
    Undetermined Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
    Jumper and Connector Locations  117
    Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
    Bottom View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
    Clearing Password Check and BIOS Recovery  . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
    Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  119
    BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  120
    FRU (Field Replaceable Unit) List  121
    Aspire 2920/2920Z/2420 Exploded Diagram   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
    Aspire 2920/2920Z/2420 Series  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 
    						
    							IX
    Table of Contents
    Model Definition and Configuration  130
    Test Compatible Components  153
    Microsoft® Windows® Vista Environment Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
    Online Support Information  157
    Index 159 
    						
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