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Acer Aspire One AO532h Acer Aspire One 532h Netbook Series Service Guide - Page 127

Thermal Units Failure, Power Button Failure, non-defective FRUs

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Thermal Units Failure If the thermal units fail, perform the following actions one at a time to correct the problem. Do not replace nondefective FRUs: START Fan power cable well connected? No Connect it well Fan OK? No Replace fan CPU Heat sink well No seated? Seat it well Replace M/B Power Button Failure If the Power Button fails, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Chapter 4 117

Section	Page
System Specifications	11
Features	11
System Block Diagram	14
Your Acer Notebook tour	15
Front View	15
Closed Front View	16
Left View	16
Right View	17
Rear and Base View	18
Indicators	19
TouchPad Basics	20
Using the Keyboard	21
Lock Keys and embedded numeric keypad	21
Windows Keys	22
Hot Keys	23
Special Keys	24
Hardware Specifications and Configurations	25
System Utilities	31
BIOS Setup Utility	31
Navigating the BIOS Utility	31
Information	32
Main	33
Security	34
Boot	37
Exit	38
BIOS Flash Utility	39
DOS Flash Utility	40
WinFlash Utility	42
Remove HDD/BIOS Password Utilities	43
Miscellaneous Utilities	45
Machine Disassembly and Replacement	49
Disassembly Requirements	49
Related Information	49
General Information	50
Pre-disassembly Instructions	50
Disassembly Process	50
External Module Disassembly Process	51
External Modules Disassembly Flowchart	51
Removing the Battery Pack	52
Removing the HDD Module	53
Removing the DIMM Module	55
Removing the WLAN Module	57
Removing the Back Cover	59
Main Unit Disassembly Process	60
Main Unit Disassembly Flowchart	60
Removing the Keyboard	62
Removing the Upper Cover	64
Removing the Touchpad Board	67
Removing the LED Board	68
Removing the Bridge Board	69
Removing the Bluetooth Module	70
Removing the Speaker Module	71
Removing the I/O Board	73
Removing the Mainboard	75
Removing the Thermal Module	77
Removing the LCD Module	79
LCD Module Disassembly Process	81
LCD Module Disassembly Flowchart	81
Removing the LCD Bezel	82
Removing the Camera Board	83
Removing the LCD Panel	84
Removing the Microphone Set	85
Removing the WLAN Antennas	86
Removing the LCD Brackets	88
LCD Module Reassembly Procedure	90
Replacing the LCD Brackets	90
Replacing the WLAN Antennas	92
Replacing the Microphone Set	93
Replacing the LCD Panel	94
Replacing the Camera Board	95
Replacing the LCD Bezel	96
Main Module Reassembly Procedure	97
Replacing the LCD Module	97
Replacing the Thermal Module	99
Replacing the Mainboard	100
Replacing the I/O Board	101
Replacing the Speaker Module	102
Replacing the Bluetooth Module	102
Replacing the Bridge Board	103
Replacing the LED Board	104
Replacing the Touchpad Board	104
Replacing the Upper Cover	106
Replacing the Keyboard	108
Replacing the WLAN Module	109
Replacing the DIMM Module	109
Replacing the Hard Disk Drive Module	111
Replacing the Battery Pack	112
Troubleshooting	113
Common Problems	113
Power On Issue	114
No Display Issue	115
Random Loss of BIOS Settings	116
LCD Failure	117
Built-In Keyboard Failure	117
TouchPad Failure	118
Internal Speaker Failure	119
Internal Microphone Failure	121
HDD Not Operating Correctly	122
USB Failure (Rightside)	123
Wireless Function Test Failure	124
3G Function Test Failure	125
Switch Failure	126
Thermal Units Failure	127
Power Button Failure	127
External Mouse Failure	128
Other Failures	128
Intermittent Problems	129
Undetermined Problems	129
Motherboard CMOS Discharge	130
POST Code Reference Tables	131
Sec:	131
Memory:	131
BDS & Specific action:	132
Each PEIM entry point used in 80_PORT	133
Each Driver entry point used in 80_PORT	133
Each SmmDriver entry point used in 80_PORT	136
Jumper and Connector Locations	137
Mainboard Top View	137
Mainboard Bottom View	138
Button Board	139
LED Board	140
I/O Board Top View	141
I/O Board Bottom View	142
Clearing Password Check and BIOS Recovery	143
Clearing Password Check	143
BIOS Recovery by Crisis Disk	144
FRU (Field Replaceable Unit) List	145
NAV50 Exploded Diagrams	146
Main Assembly	146
Rear Assembly	147
Upper Cover Assembly	148
NAV50 FRU List	149
Screw List	155
Model Definition and Configuration	156
NAV50	156
Test Compatible Components	219
Windows Environment Test	220
Online Support Information	223

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