Acer Aspire One Model Ao751 Service Guide

							Aspire one 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 one Series service guide.
DateChapterUpdates 
						

							III
Copyright
Copyright © 2008 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. 
						

							VI 
						

							VII
Table of Contents
System Specifications  1
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Your Acer Notebook tour   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Front View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Left View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Right View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Rear View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Bottom View   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Indicators   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TouchPad Basics   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Using the Keyboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Lock Keys and embedded numeric keypad   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Hot Keys  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Special Key  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Hardware Specifications and Configurations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
System Utilities  19
BIOS Setup Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Navigating the BIOS Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Main   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Exit   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
BIOS Flash Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Remove HDD/BIOS Utility   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Machine Disassembly and Replacement  33
Disassembly Requirements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
General Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Pre-disassembly Instructions   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Disassembly Process  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
External Module Disassembly Process   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
External Modules Disassembly Flowchart   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Removing the Battery Pack   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Removing the 3G Cover  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Removing the Keyboard  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Removing the Upper and Lower Covers  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
 LCD Module Disassembly Process  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
LCD Module Disassembly Flowchart   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Removing the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Removing the LCD Bezel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Removing the Camera Board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Removing the MIC Board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Removing the LCD Panel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Removing the LCD Brackets and FPC Cable  . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Main Unit Disassembly Process  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Main Unit Disassembly Flowchart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Removing the WLAN Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Removing the USB/LED/Power/Card Reader Board   . . . . . . . . . . . . . . . . . . . . .52
Removing the SSD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 
						

							VIII
Table of Contents
Removing the Mainboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Removing the Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Removing the Hard Disk Drive Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Removing the DIMM Module   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Removing the Thermal Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
LCD Module Reassembly Procedure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Replacing the LCD Brackets and FPC Cable  . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Replacing the LCD Panel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Replacing the Mic Board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Replacing the Camera Board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Replacing the LCD Bezel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Main Module Reassembly Procedure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Replacing the Thermal Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Replacing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Replacing the Hard Disk Drive Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Replacing the Speaker Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Replacing the Mainboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Replacing the SDD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Replacing the USB/LED/Power/Card Reader Board  . . . . . . . . . . . . . . . . . . . . .72
Replacing the WLAN Board   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Replacing the LCM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Replacing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Replacing the Keyboard  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Replacing the 3G cover   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Replacing the Battery  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Troubleshooting 79
Common Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Power On Issue   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
No Display Issue  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Random Loss of BIOS Settings   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
LCD Failure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Built-In Keyboard Failure   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
TouchPad Failure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Internal Speaker Failure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Internal Microphone Failure   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
HDD Not Operating Correctly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
USB Failure (Rightside)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Power Button Failure   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
External Mouse Failure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Other Failures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Intermittent Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Frequently Asked Questions (FAQ)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
POST Code Reference Tables  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Sec:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Memory:   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
BDS & Specific action:   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Each PEIM entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Each Driver entry point used in 80_PORT   . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Each SmmDriver entry point used in 80_PORT  . . . . . . . . . . . . . . . . . . . . . . . .108
Jumper and Connector Locations  111
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Bottom View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 
						

							IX
Table of Contents
Clearing Password Check and BIOS Recovery  . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
BIOS Recovery by Crisis Disk   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
FRU (Field Replaceable Unit) List  115
Aspire one Exploded Diagram   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Aspire one FRU List   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Screw List  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
Model Definition and Configuration  128
Aspire one Series  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Aspire one Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Aspire one White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Test Compatible Components  155
Linux Environment Test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
Aspire one Blue Testing Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
Aspire one White Testing Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Online Support Information  161
Index 163 
						

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Table of Contents