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Acer Aspire 4730ZG Aspire 4330 / 4730Z / 4730ZG Service Guide - Page 144

Touchpad Failure, Internal Speaker Failure, Touchpad, Speakers

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Touchpad Failure If the Touchpad doesn't work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: 134 Chapter 4

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	17
Right View	18
Rear View	18
Bottom View	19
Indicators	20
Easy-Launch Buttons	20
Touchpad Basics (with fingerprint reader)	21
Using the Keyboard	22
Lock Keys and embedded numeric keypad	22
Windows Keys	23
Hot Keys	24
Special Key	25
Using the System Utilities	26
Acer GridVista (dual-display compatible)	26
Hardware Specifications and Configurations	28
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
Remove HDD/BIOS Utility	47
Removing BIOS Passwords:	49
Machine Disassembly and Replacement	51
Disassembly Requirements	51
General Information	52
Pre-disassembly Instructions	52
Disassembly Process	52
External Module Disassembly Process	53
External Modules Disassembly Flowchart	53
Removing the Battery Pack	54
Removing the SD dummy card	55
Removing the ExpressCard dummy card	56
Removing the Lower Covers	57
Removing the DIMM Modules	59
Removing the WLAN Module	60
Removing the Hard Disk Drive Module	62
Removing the Optical Drive Module	65
Main Unit Disassembly Process	68
Main Unit Disassembly Flowchart	68
Removing the Switch Cover	69
Removing the Keyboard	71
Removing the Antenna	73
Removing the LCD Module	76
Removing the Upper Cover	78
Removing the Touch Pad Bracket	82
Removing the Finger Print Reader	84
Removing the Launch Board	85
Removing the Speaker Module	86
Removing the Switch Board	88
Removing the Touch Pad Board	89
Removing the I/O Board	90
Removing the Bluetooth module	92
Removing the Modem Module	94
Removing the Main Board	96
Removing the Thermal Module	99
Removing the CPU	100
Removing the CPU Fan	101
Removing the HDMI Module	103
LCD Module Disassembly Process	104
LCD Module Disassembly Flowchart	104
Removing the LCD Bezel	105
Removing the Inverter Board	107
Removing the Camera Module	109
Removing the LCD Panel	111
Removing the LCD Brackets and FPC Cable	112
Removing the Antennas	114
Removing the MIC Module	115
LCD Module Reassembly Procedure	116
Replacing the LCD Panel	116
Replacing the LCD Bezel	119
Main Module Reassembly Procedure	120
Replacing the CPU	120
Replacing the Thermal Module	120
Replacing the CPU Fan Module	121
Replacing the HDMI Module	121
Replacing the Mainboard	122
Replacing the I/O Board	124
Replacing the Bluetooth Board	124
Replacing the Modem Module	125
Replacing the Finger Print Reader	126
Replacing the Touch Pad Bracket	127
Replacing the Launch Board	128
Replacing the Switch Board	128
Replacing the Antenna Cables	129
Replacing the Speaker Module	130
Replacing the Keyboard	130
Replacing the Switch Cover	132
Replacing the WLAN Module	132
Replacing the Hard Disk Drive Module	133
Replacing the DIMM Modules	134
Replacing the ODD Module	135
Replacing the Lower Covers	136
Replacing the Express and SD Card Trays	137
Troubleshooting	139
Common Problems	139
Power On Issue	140
No Display Issue	141
Random Loss of BIOS Settings	142
LCD Failure	143
Built-In Keyboard Failure	143
Touchpad Failure	144
Internal Speaker Failure	144
Internal Microphone Failure	146
HDD Not Operating Correctly	147
ODD Failure	148
Modem Function Failure	151
Wireless Function Failure	151
EasyTouch Button Failure	152
Thermal Unit Failure	152
External Mouse Failure	153
Other Failures	153
Intermittent Problems	154
Undetermined Problems	154
POST Codes Tables	155
Sec	155
Memory:	155
BDS & Specific action:	156
Each PEIM entry point used in 80_PORT	157
Each Driver entry point used in 80_PORT	157
Each SmmDriver entry point used in 80_PORT	160
Jumper and Connector Locations	161
Top View	161
Bottom View	162
Clearing Password Check and BIOS Recovery	163
Clearing Password Check	163
BIOS Recovery by Crisis Disk	164
FRU (Field Replaceable Unit) List	165
TravelMate 4730Z/4330 Exploded Diagrams	166
Main Module	166
LCD Module	167
TravelMate 4730Z/4330 FRU List	168
Screw List	175
Model Definition and Configuration	176
TravelMate 4730Z/4330 Series	176
Test Compatible Components	187
Microsoft® Windows® Vista Environment Test	188
Online Support Information	195

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