Seagate ST9120817AS Technical Information download pdf (Page 152)

142 Chapter 4

EasyTouch Button Failure

If the Acer EasyTouch buttons fail, perform the following actions one at a time to correct the problem. Do not

replace a non-defective FRUs:

Thermal Unit Failure

If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a

non-defective FRUs:

1 2 ... 147 148 149 150 151 152 153 154 155 156 157 ... 197 198

Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
Environment 13
System Block Diagram 14
Your Acer Notebook tour 15
Closed Front View 16
Left View 17
Right View 18
Rear View 18
Indicators 20
Easy-Launch Buttons 20
Using the Keyboard 22
Windows Keys 23
Hot Keys 24
Special Key 25
Using the System Utilities 26
Chapter 1 23 33
Super-Multi Combo Module 33
Item Specification 33
• Mech. Off (G3) 36
• Soft Off (G2/S5) 36
• Working (G0/S0) 36
• Suspend to RAM (S3) 36
• Save to Disk (S4) 36
System Utilities 37
Information 38
Security 40
Setting a Password 41
Removing a Password 41
Changing a Password 42
BIOS Flash Utility 45
Remove HDD/BIOS Utility 47
Key in bios_pw 14452 0 48
Removing BIOS Passwords: 49
40 Chapter 2 50
Disassembly Requirements 51
Chapter 3 51
General Information 52
Removing the Battery Pack 54
Removing the SD dummy card 55
46 Chapter 3 56
2. Pull it out from the slot 56
Removing the Lower Covers 57
48 Chapter 3 58
Removing the DIMM Modules 59
Removing the WLAN Module 60
Chapter 3 51 61
Chapter 3 53 63
HDD Carrier M3*3 (NL) 4 63
54 Chapter 3 64
Chapter 3 57 67
Main Unit Disassembly Process 68
Removing the Switch Cover 69
60 Chapter 3 70
Removing the Keyboard 71
62 Chapter 3 72
Removing the Antenna 73
64 Chapter 3 74
Chapter 3 65 75
Removing the LCD Module 76
Removing the Upper Cover 78
Chapter 3 69 79
Upper Cover M2.5*5 (NL) 7 79
72 Chapter 3 82
74 Chapter 3 84
Removing the Launch Board 85
Removing the Speaker Module 86
Chapter 3 77 87
Removing the Switch Board 88
Removing the Touch Pad Board 89
Removing the I/O Board 90
Chapter 3 81 91
Removing the Bluetooth module 92
Chapter 3 83 93
Removing the Modem Module 94
Removing the Main Board 96
88 Chapter 3 98
Removing the Thermal Module 99
Removing the CPU 100
Removing the CPU Fan 101
92 Chapter 3 102
Removing the HDMI Module 103
Removing the LCD Bezel 105
96 Chapter 3 106
Removing the Inverter Board 107
98 Chapter 3 108
Step Size Quantity Screw Type 108
Inverter Board M2.5*5 (NL) 1 108
Removing the Camera Module 109
100 Chapter 3 110
Removing the LCD Panel 111
102 Chapter 3 112
Chapter 3 103 113
LCD Brackets M2*3 NL 8 113
Removing the Antennas 114
Removing the MIC Module 115
Replacing the LCD Panel 116
Replacing the LCD Bezel 119
Replacing the CPU 120
Replacing the Thermal Module 120
Replacing the CPU Fan Module 121
Replacing the HDMI Module 121
Replacing the Mainboard 122
Chapter 3 113 123
Replacing the I/O Board 124
Replacing the Bluetooth Board 124
Replacing the Modem Module 125
116 Chapter 3 126
Replacing the Launch Board 128
Replacing the Switch Board 128
Replacing the Antenna Cables 129
Replacing the Speaker Module 130
Replacing the Keyboard 130
Chapter 3 121 131
Replacing the Switch Cover 132
Replacing the WLAN Module 132
Replacing the DIMM Modules 134
Replacing the ODD Module 135
Replacing the Lower Covers 136
128 Chapter 3 138
Troubleshooting 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
Sound Problems 145
Internal Microphone Failure 146
HDD Not Operating Correctly 147
ODD Failure 148
Discs Do Not Play 149
Discs Do Not Burn Properly 149
Playback is Choppy 149
Drive Not Detected 150
Drive Read Failure 150
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
BDS & Specific action: 156
Top View 161
Chapter 5 161
Bottom View 162
Clearing Password Check 163
BIOS Recovery by Crisis Disk 164
Chapter 6 165
Main Module 166
LCD Module 167
Screw List 175
Appendix A 176
167 Appendix A 177
Appendix A 168 178
169 Appendix A 179
Appendix A 170 180
171 Appendix A 181
Appendix A 172 182
173 Appendix A 183
Appendix A 174 184
175 Appendix A 185
Appendix A 176 186
Test Compatible Components 187
Microsoft 188
Vista Environment Test 188
Online Support Information 195
186 Appendix C 196

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