Acer Aspire 4920 User manual

Acer

Aspire 4920

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

SG_Aspire4920_Book.book Page i Monday, May 28, 2007 6:49 PM

Revision History

Please refer to the table below for the updates made on Aspire 4920 service guide.

Date Chapter Updates

SG_Aspire4920_Book.book Page ii Monday, May 28, 2007 6:49 PM

iii

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, 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.

Core Duo and Core 2 Duo are trademarks of Intel Corporation.

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

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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.

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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 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-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.

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vii

System Specification 1

Features 1

Your Acer Notebook Tour 4

Front View 4

Closed Front View 5

Left View 6

Right View 7

Rear Panel 7

Bottom Panel 8

Indicators 9

Easy-launch Buttons 10

MediaTouch Keys 11

Touchpad 12

Touchpad Basics 12

Using the Keyboard 14

Lock Keys and Embedded Numeric Keypad 14

Windows Keys 15

Hotkeys 16

Special Keys 17

Acer Empowering Technology 18

Empowering Technology Password 18

Acer eNet Management 19

Acer ePower Management 21

Acer eAudio Management 23

Acer ePresentation Management 24

Acer eDataSecurity Management 25

Acer eLock Management 26

Acer eRecovery Management 27

Acer eSettings Management 28

Windows Mobility Center 29

Using the System Utilities 30

Acer GridVista (dual-display compatible) 30

Launch Manager 31

Norton Internet Security 32

Hardware Specifications and Configurations 33

System Utilities 41

BIOS Setup Utility 41

Entering BIOS Setup 41

BIOS Setup Primary Menus 41

BIOS Setup Navigation Keys 41

Information Menu 42

Main Menu 43

Security Menu 44

Boot Menu 46

Exit Menu 47

Machine Disassembly and Replacement 49

Disassembly Requirements 49

General Information 50

Pre-disassembly Instructions 50

Disassembly Process 51

Table of Contents

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viii

External Module Disassembly Process 52

External Modules Disassembly Flowchart 52

Removing the Battery Pack 53

Removing the SD Dummy Card 54

Removing the Express Dummy Card 54

Removing the Lower Cover 55

Removing the DIMM 56

Removing the WLAN Board Module 57

Removing the Hard Disk Drive Module 58

Removing the Optical Drive Module 59

Main Unit Disassembly Process 61

Main Unit Disassembly Flowchart 61

Removing the CPU Heatsink Module 62

Removing the CPU 63

Removing the Keyboard 64

Removing the Middle Cover 65

Removing the Power Board 66

Removing the Media Board 67

Removing the LCD Module 68

Separating the Upper Case from the Lower Case 70

Removing the Speaker Modules 73

Removing the Launch Board 74

Removing the Touchpad Board Module 75

Removing the Bluetooth Board 77

Removing the USB board 78

Removing the Mainboard 79

Removing the Modem Board 81

Removing the RTC Battery 83

LCD Module Disassembly Process 85

LCD Module Disassembly Flowchart 85

Removing the LCD Bezel 86

Removing the Camera Board 87

Removing the Inverter Board 88

Removing the LCD with Brackets 89

Removing the LCD Brackets 91

Removing the LCD Module Hinges 92

Removing the Antennas 93

Removing the Microphones 94

Troubleshooting 97

System Check Procedures 98

External CD/DVD-ROM Drive Check 98

Keyboard or Auxiliary Input Device Check 98

Memory Check 98

Power System Check 99

Touchpad Check 100

Power-On Self-Test (POST) Error Message 101

Index of Error Messages 102

Phoenix BIOS Beep Codes 104

Index of Symptom-to-FRU Error Message 108

Intermittent Problems 111

Undetermined Problems 112

System Block Diagram and Connector Locations 113

System Block Diagram 113

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Board Layout 114

Top View 114

Bottom View 115

FRU (Field Replaceable Unit) List 119

Aspire 4920 Exploded Diagram 120

Aspire 4920 FRU List 121

Model Definition and Configuration 130

Aspire 4920 130

Test Compatible Components 133

Microsoft® Windows® Vista™ Compatibility Test 134

Online Support Information 139

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