Acer Aspire 7420 Service Guide
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TravelMate 7520/7520G/7220 Series Aspire 7420/7120 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 TravelMate 7520/7520G/7220 Series and Aspire 7420/7120 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.
1 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Right View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Bottom Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Easy-Launch Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Touchpad Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Lock Keys and embedded numeric keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Hot Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 Special Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Acer Empowering Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Empowering Technology password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Acer eNet Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 Acer ePower Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Acer ePresentation Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Acer eDataSecurity Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Acer eLock Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Acer eRecovery Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Acer eSettings Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Windows Mobility Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Using the System Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Acer Bio-Protection (for selected models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 NTI Shadow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Acer GridVista (dual-display compatible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Launch Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Norton Internet Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Hardware Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 System Utilities 41 BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Navigating the BIOS Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Advanced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 BIOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 Remove HDD/BIOS Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54 Machine Disassembly and Replacement 59 Disassembly Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 Pre-disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 Disassembly Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 External Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
2 Table of Contents External Modules Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 Removing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 Removing the SD dummy card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Removing the PC and ExpressCard dummy cards . . . . . . . . . . . . . . . . . . . . . .63 Removing the Lower Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64 Removing the Secondary HDD Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the Secondary HDD Bracket and Connector . . . . . . . . . . . . . . . . . . .66 Removing the DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Removing the WLAN Board Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Removing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the Optical Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Main Unit Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Main Unit Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Removing the Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Removing the Heatsink Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Removing the CPU and VGA Heatsink Module . . . . . . . . . . . . . . . . . . . . . . . . .75 Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Removing the VGA board (for Discrete model only) . . . . . . . . . . . . . . . . . . . . . .77 Removing the Middle Cover and the Power Board . . . . . . . . . . . . . . . . . . . . . . .78 Removing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Separating the Upper Case from the Lower Case . . . . . . . . . . . . . . . . . . . . . . . 83 Removing the Launch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85 Removing theTouch Pad Board Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Removing the Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89 Removing the ODD Board Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Removing the Speaker Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Main Screw List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 Removing the LCD module with the Brackets . . . . . . . . . . . . . . . . . . . . . . . . . .97 Removing the Inverter Board and FPC Cable . . . . . . . . . . . . . . . . . . . . . . . . . .98 Removing the LCD Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Removing the Left and Right Hinge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Removing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Removing the Internal Microphone and Web Camera . . . . . . . . . . . . . . . . . . .101 Troubleshooting 103 System Check Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 External Diskette Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 External CD-ROM Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Keyboard or Auxiliary Input Device Check . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Memory check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Power System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Touchpad Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107 Power-On Self-Test (POST) Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108 Index of Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109 Phoenix BIOS Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 Index of Symptom-to-FRU Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117 Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121 Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
3 Table of Contents Jumper and Connector Locations 123 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123 Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124 FRU (Field Replaceable Unit) List 129 TravelMate 7520/7520G/7220/7220G Exploded Diagram . . . . . . . . . . . . . . . . . . . .130 Model Definition and Configuration 140 TravelMate 7520/7520G/7220/7220G Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 Test Compatible Components 163 Microsoft® Windows® Vista Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . .164 Online Support Information 167 Index 169