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Acer Aspire 5739G Acer Aspire 5739G Series Service Guide - Page 152

Internal Microphone Failure, Microphone

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Internal Microphone Failure If the internal Microphone fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: 142 Chapter 3

Section	Page
System Specifications	11
Features	11
System Block Diagram	14
Your Acer Notebook tour	15
Front View	15
Hot Keys	17
Closed Front View	17
Rear View	18
Left View	18
Right View	19
Bottom View	20
Touchpad Basics (with fingerprint reader)	21
Using the Keyboard	22
Lock Keys and embedded numeric keypad	22
Windows Keys	23
Special Key	24
Using the System Utilities	25
Acer GridVista (dual-display compatible)	25
Hardware Specifications and Configurations	27
System Utilities	37
BIOS Setup Utility	37
Navigating the BIOS Utility	37
Information	38
Main	39
Security	40
Boot	43
Exit	44
BIOS Flash Utility	45
Using the Flash16 Utility to Update the BIOS	45
WinFlash Utility	46
DOS Flash Utility	47
Remove HDD/BIOS Password Utilities	50
Miscellaneous Utilities	53
Machine Disassembly and Replacement	57
Disassembly Requirements	57
General Information	58
Pre-disassembly Instructions	58
Disassembly Process	58
External Module Disassembly Process	59
External Modules Disassembly Flowchart	59
Removing the Battery Pack	59
Removing the SD dummy card	60
Removing the Lower Cover	61
Removing the WLAN Module	62
Removing the DIMM Modules	63
Removing the Hard Disk Drive Module	64
Removing the Optical Disk Drive Module	65
Removing the TV Tuner	67
Removing the Graphics Card	69
Removing the RTC Battery	69
Removing the CPU	70
Main Unit Disassembly Process	72
Main Unit Disassembly Flowchart	72
Removing the Hinge Covers	73
Removing the Switch Cover	73
Removing the Power Save Board	76
Removing the Power Switch Board	77
Removing the Keyboard	77
Removing the LCD Module	78
Removing the Upper Base	82
Removing the Finger Print Reader	85
Removing the Multifunction Board	87
Removing the Modem Module	88
Removing the Bluetooth Module	90
Removing the Mainboard	90
Removing the Thermal Module	92
Removing the CPU (Alternate Procedure)	94
Removing the Speaker Modules	95
LCD Module Disassembly Process	98
LCD Module Disassembly Flowchart	98
Removing the LCD Bezel	98
Removing the Camera Module	100
Removing the LCD Panel	101
Removing the LCD Brackets and FPC Cable	102
Removing the Antennas	103
LCD Module Reassembly Procedure	105
Replacing the Antennas	105
Replacing the LCD Panel	106
Replacing the Camera Module	107
Replacing the LCD Bezel	108
Main Module Reassembly Procedure	109
Replacing the Speaker Modules	109
Replacing the CPU (Alternate Procedure)	110
Replacing the Thermal Module	111
Replacing the Mainboard	113
Replacing the Bluetooth Board	115
Replacing the Modem Module	117
Replacing the Finger Print Reader	119
Replacing the Upper Cover	119
Replacing the LCD Module	123
Replacing the Keyboard	126
Replacing the Power Switch Board	126
Replacing the Power Save Board	127
Replacing the Switch Cover	128
Replacing the Hinge Covers	130
External Unit Reassembly Process	132
Replacing the CPU	132
Replacing the RTC Battery	133
Replacing the Graphics Card	133
Replacing the ODD Module	135
Replacing the Hard Disk Drive Module	136
Replacing the DIMM Modules	136
Replacing the WLAN Module	138
Replacing the TV Tuner	138
Replacing the Lower Cover	140
Replacing the SD Card Dummy Tray	140
Replacing the Battery	141
Troubleshooting	143
Common Problems	143
Power On Issue	144
No Display Issue	146
Random Loss of BIOS Settings	148
LCD Failure	149
Built-In Keyboard Failure	149
Touchpad Failure	150
Internal Speaker Failure	150
Internal Microphone Failure	152
HDD Not Operating Correctly	154
ODD Failure	155
USB Failure (Rightside)	159
Modem Function Failure	159
Wireless Function Failure	160
Bluetooth Function Failure	160
EasyTouch Button Failure	161
Media Board Failure	161
Fingerprint Reader Failure	162
Thermal Unit Failure	162
External Mouse Failure	163
Other Failures	163
Intermittent Problems	164
Undetermined Problems	164
POST Codes Tables	165
Sec:	165
Memory:	165
BDS & Specific action:	167
Each PEIM entry point used in 80_PORT	168
Each Driver entry point used in 80_PORT	168
Each SmmDriver entry point used in 80_PORT	171
Jumper and Connector Locations	173
Top View	173
Bottom View	174
Clearing Password Check and BIOS Recovery	175
Clearing Password Check	175
BIOS Recovery by Crisis Disk	177
FRU (Field Replaceable Unit) List	179
Aspire 5739 Exploded Diagrams	180
Main Module	180
Aspire 5739 FRU List	181
Screw List	189
Model Definition and Configuration	191
Aspire 5739 Series	191
Test Compatible Components	219
Microsoft® Windows® Vista Environment Test	220
Online Support Information	225

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