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Acer TravelMate 8471 Acer TravelMate 8471 Series Service Guide - Page 73

Refresh battery continue use battery until, Remove battery pack and let it cool for 2

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Symptom / Error The system doesn't resume from hibernation mode. The system doesn't resume from standby mode after opening the LCD. Battery fuel gauge in Windows doesn't go higher than 90%. System hangs intermittently. Action in Sequence Hard disk connection board Hard disk drive System board LCD cover switch System board Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until power off, then charge battery). Battery pack System board Reconnect hard disk/CD-ROM drives. Hard disk connection board System board Chapter 4 65

Section	Page
TravelMate 8471/8431 Series Service Guide	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
Table of Contents	7
Chapter1	9
System Specifications	9
Features	9
System Block Diagram	12
Board Layout	13
Top View	13
Bottom View	14
Your Acer Notebook tour	15
Top View	15
Closed Front View	17
Rear view	17
Left View	18
Right View	18
Base view	19
Touchpad Basics (with fingerprint reader)	20
Touchpad basics (with two-click buttons)	21
Using the Keyboard	22
Lock Keys and embedded numeric keypad*	22
Windows Keys	23
Hot Keys	24
Using the system utilities	25
Acer Backup Manager	27
Power management	28
Acer PowerSmart key	28
Acer eRecovery Management	28
Burn backup discs	29
Restore	29
Hardware Specifications and Configurations	31
Chapter2	35
System Utilities	35
BIOS Setup Utility	35
Invoking BIOS Setup	36
Information	36
Main	36
Security	36
Boot	36
Exit	36
BIOS Flash Utility	44
Chpater3	45
Machine Disassembly and Replacement	45
General Information	46
Before You Begin	46
Disassembly Procedure Flowchard	47
Removing the Battery Pack	48
Removing the HDD and RAM	49
Remove Keyboard	52
Remove FFC of main board and sub board	53
Remove Panel	56
Disassembling the HDD Module	58
Chapter4	59
Troubleshooting	59
System Check Procedures	60
External Diskette Drive Check	60
External CD-ROM Drive Check	60
Keyboard or Auxiliary Input Device Check	60
Memory check	61
Power System Check	61
Check the Power Adapter	61
Check the Battery Pack	61
Touchpad Check	62
Power-On Self-Test (POST) Error Message	63
Index of Error Messages	64
InsydeH2O BIOS Beep Codes	67
Index of Symptom-to-FRU Error Message	71
Intermittent Problems	75
Undetermined Problems	76
Chpater5	77
Top View	77
Bottom View	78
Chpater6	79
FRU (Field Replaceable Unit) List	79
TravelMate 8471/8431 Exploded Diagram	80

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