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Acer Aspire 4230 Service Guide - Page 125

Troubleshooting, Common Problems

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Troubleshooting Chapter 4 Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation. 3. Use the following table with the verified symptom to determine which page to go to. Symptoms (Verified) Go To Power On Issue Page 116 No Display Issue Page 117 LCD Failure Page 119 Internal Keyboard Failure Page 119 Touch Pad Failure Page 120 Internal Speaker Failure Page 120 Internal Microphone Failure Page 122 ODD Failure Page 124 Rightside USB Failure Page 127 Modem Failure Page 127 WLAN Failure Page 128 Acer EasyLaunch Button Failure Page 128 Acer MediaTouch Failure Page 129 Fingerprint Reader Failure Page 129 Thermal Unit Failure Page 130 HDTV Switch Failure Page 130 Other Functions Failure Page 131 Intermittent Failures Page 132 Undermined Failures Page 132 4. If the Issue is still not resolved, see "Online Support Information" on page 187. Chapter 4 115

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
Touch Pad 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
Launch Manager	27
Hardware Specifications and Configurations	28
System Utilities	39
BIOS Setup Utility	39
Navigating the BIOS Utility	39
Information	40
Main	41
Advanced	42
Security	45
Boot	48
Power	49
Exit	51
BIOS Flash Utility	52
Remove HDD/BIOS Utility	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	60
Removing the Express Dummy Card	61
Removing the SD Dummy Card	62
Removing the Lower Cover	63
Removing the DIMM Module	64
Removing the WLAN Module	65
Removing the Hard Disk Drive Module	67
Removing the Optical Drive Module	69
Main Unit Disassembly Process	71
Main Unit Disassembly Flowchart	71
Removing the Switch Cover	73
Removing the Keyboard	74
Removing the Antenna Cables	75
Removing the LCD Module	76
Removing the LED Board	78
Removing the Upper Cover	79
Removing the Launch Board	82
Removing the Speaker Module	83
Removing the Finger Print Reader	86
Removing the Touch Pad Module	87
Removing the Bluetooth board	88
Removing the Mainboard	90
Removing the Modem Module	91
Removing the I/O Board	92
Removing the Thermal/Fan Module	93
Removing the CPU	94
LCD Module Disassembly Process	95
LCD Module Disassembly Flowchart	95
Removing the LCD Bezel	96
Removing the Inverter Board	98
Removing the Camera Board	99
Removing the LCD Panel	100
Removing the LCD Brackets and FPC Cable	101
LCD Module Reassembly Procedure	102
Replacing the LCD Panel	102
Replacing the Camera Module	104
Replacing the Inverter Board	104
Replacing the LCD Bezel	105
Main Module Reassembly Procedure	106
Replacing the CPU	106
Replacing the Thermal/Fan Module	107
Replacing the I/O Board	108
Replacing the Modem Module	108
Replacing the Mainboard	109
Replacing the Bluetooth Board	109
Replacing the Touch Pad Module	110
Replacing the Finger Print Reader	111
Replacing the Speaker Module	111
Replacing the Launch Board	114
Replacing the Upper Cover	114
Replacing the LED Board	117
Replacing the LCD Module	117
Replacing the Antenna Cables	118
Replacing the Keyboard	119
Replacing the Switch Cover	120
Replacing the ODD Module	120
Replacing the Hard Disk Drive Module	121
Replacing the WLAN Module	122
Replacing the DIMM Modules	123
Replacing the Lower Cover	123
Replacing the SD Dummy Card	124
Replacing the ExpressCard Dummy Card	124
Replacing the Battery	124
Troubleshooting	125
Common Problems	125
Power On Issue	126
No Display Issue	127
Random Loss of BIOS Settings	128
LCD Failure	129
Built-In Keyboard Failure	129
Touch Pad Failure	130
Internal Speaker Failure	130
Internal Microphone Failure	132
HDD Not Operating Correctly	133
ODD Failure	134
USB Failure (Rightside)	137
Modem Function Failure	137
Wireless Function Failure	138
EasyTouch Button Failure	138
MediaTouch Button Failure	139
Fingerprint Reader Failure	139
Thermal Unit Failure	140
HDTV Switch Failure	140
External Mouse Failure	141
Other Failures	141
Intermittent Problems	142
Undetermined Problems	142
POST Codes Tables	143
Chipset POST Codes	143
Core POST Codes	145
Jumper and Connector Locations	153
Top View	153
Bottom View	154
Clearing Password Check and BIOS Recovery	155
Clearing Password Check	155
BIOS Recovery by Crisis Disk	156
FRU (Field Replaceable Unit) List	157
Aspire 4530/4230 Exploded Diagram	158
Main Assembly	158
LCD Assembly	159
Aspire 4530/4230 FRU List	160
Model Definition and Configuration	168
Aspire 4530/4230 Series	169
Test Compatible Components	193
Microsoft® Windows® Vista Environment Test	194
Online Support Information	197

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