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Acer Aspire One AO531h Aspire One AO531h Service Guide - Page 88

Removing the CPU Fan, See Removing the Thermal Module

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Page 88 highlights

Removing the CPU Fan 1. See "Removing the Thermal Module" on page 77. 2. Disconnect the CPU Fan power cable. 3. Remove the single screw securing the CPU Fan to the Mainboard. Step CPU Fan Size M2*3 Quantity 1 Screw Type 78 Chapter 3

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
Bottom 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 Key	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	41
Remove HDD/BIOS Password Utilities	43
Miscellaneous Utilities	46
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 SD Dummy Card	53
Removing the Lower Covers	54
Removing the DIMM Module	55
Removing the WLAN Module	56
Removing the 3G Module	58
Upper Cover Disassembly Process	60
Upper Cover Disassembly Flowchart	60
Removing the Keyboard	61
Removing the Upper Cover	64
Removing the Power Board	68
Removing the Button Board	70
Removing the TouchPad FFC	72
Removing the LCD Module	73
Lower Cover Disassembly Process	75
Lower Cover Disassembly Flowchart	75
SSD SKU Disassembly Procedure	76
Removing the LED Board	77
Removing the Speaker Module	79
Removing the Bluetooth Module	81
Removing the Solid State Disk Drive Module	83
Removing the Mainboard	85
Removing the RTC Battery	86
Removing the Thermal Module	87
Removing the CPU Fan	88
HDD SKU Disassembly Procedure	90
Removing the LED Board	91
Removing the Speaker Module	93
Removing the Bluetooth Module	95
Removing the Hard Disk Drive Module	97
LCD Module Disassembly Process	99
LCD Module Disassembly Flowchart	99
Removing the LCD Bezel	100
Removing the Camera Board	102
Removing the Microphone Board	103
Removing the LCD Panel	104
Removing the LCD Brackets and FPC Cable	105
Removing the Antennas	108
LCD Module Reassembly Procedure	112
Replacing the Antennas	112
Replacing the LCD Cable and Brackets	115
Replacing the LCD Panel	117
Replacing the Microphone Board	118
Replacing the Camera Board	118
Replacing the LCD Bezel	119
Lower Cover Reassembly Procedure	121
SSD SKU Reassembly Procedure	121
Replacing the CPU Fan	121
Replacing the Thermal Module	122
Replacing the RTC Battery	123
Replacing the Mainboard	123
Replacing the SSD Module	124
Replacing the Bluetooth Module	124
Replacing the Speaker Module	126
Replacing the LED Board	127
HDD SKU Reassembly Procedure	129
Replacing the HDD Module	129
Replacing the Bluetooth Module	130
Replacing the Speaker Module	131
Replacing the LED Board	132
Upper Cover Reassembly Process	134
Replacing the LCD Module	134
Replacing the TouchPad FFC	136
Replacing the Button Board	137
Replacing the Power Board	139
Replacing the Upper Cover	140
Replacing the Keyboard	144
Replacing the 3G Module	145
Replacing the WLAN Module	146
Replacing the DIMM Module	146
Replacing the Lower Covers	147
Replacing the SD Dummy Card	148
Replacing the Battery	148
Troubleshooting	149
Common Problems	149
Power On Issue	150
No Display Issue	151
Random Loss of BIOS Settings	152
LCD Failure	153
Built-In Keyboard Failure	153
TouchPad Failure	154
Internal Speaker Failure	154
Internal Microphone Failure	156
HDD Not Operating Correctly	157
USB Failure (Rightside)	158
Power Button Failure	158
External Mouse Failure	159
Other Failures	159
Intermittent Problems	160
Undetermined Problems	160
POST Code Reference Tables	161
Sec:	161
Memory:	161
BDS & Specific action:	162
Each PEIM entry point used in 80_PORT	164
Each Driver entry point used in 80_PORT	164
Each SmmDriver entry point used in 80_PORT	168
Jumper and Connector Locations	169
Top View	169
Bottom View	170
Clearing Password Check and BIOS Recovery	171
Clearing Password Check	171
BIOS Recovery by Crisis Disk	172
FRU (Field Replaceable Unit) List	173
Aspire one Exploded Diagrams	174
Main Assembly	174
Base Assembly	175
LCD Assembly	176
Aspire one FRU List	177
Screw List	183
Model Definition and Configuration	184
Aspire one Series	184
Test Compatible Components	193
Windows XP Environment Test	194
Online Support Information	203

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