Acer KB.I100A.022 Informacje Techniczne Pobierz pdf (Strona 123)

Chapter 4 113

USB Failure (Rightside)

If the rightside USB port fails, perform the following actions one at a time to correct the problem. Do not

replace non-defective FRUs:

Start

Check IO/B

to M/B

CONN

Re-assemble

the IO/B

CONNto M/B

Check IO/B

Swap IO/B

Swap M/B

1 2 ... 118 119 120 121 122 123 124 125 126 127 128 ... 227 228

NAV50 Series 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
Communication 12
Privacy control 12
Special keys and controls 12
I/O interface 12
Environment 13
System Block Diagram 14
Your Acer Notebook tour 15
Closed Front View 16
Left View 16
Right View 17
Rear and Base View 18
Indicators 19
TouchPad Basics 20
Using the Keyboard 21
Windows Keys 22
Hot Keys 23
Special Keys 24
20 Chapter 1 30
System Utilities 31
Information 32
Security 34
Setting a Password 35
Removing a Password 35
Changing a Password 36
Chapter 2 27 37
BIOS Flash Utility 39
DOS Flash Utility 40
Chapter 2 31 41
WinFlash Utility 42
Miscellaneous Utilities 45
Using the LAN MAC Utility 46
Chapter 2 37 47
38 Chapter 2 48
Disassembly Requirements 49
Chapter 3 49
General Information 50
Removing the Battery Pack 52
Removing the HDD Module 53
Removing the DIMM Module 55
46 Chapter 3 56
5. Remove the DIMM module 56
Removing the WLAN Module 57
48 Chapter 3 58
Removing the Back Cover 59
Main Unit Disassembly Process 60
Chapter 3 51 61
I/O Board M2*3 1 86.SAS02.001 61
Mainboard M2*3 1 86.SAS02.001 61
Step Screw Quantity Part No 61
Removing the Keyboard 62
Chapter 3 53 63
Removing the Upper Cover 64
56 Chapter 3 66
Removing the Touchpad Board 67
Removing the LED Board 68
Removing the Bridge Board 69
Removing the Bluetooth Module 70
Removing the Speaker Module 71
62 Chapter 3 72
Removing the I/O Board 73
64 Chapter 3 74
Removing the Mainboard 75
Removing the Thermal Module 77
68 Chapter 3 78
Removing the LCD Module 79
Removing the LCD Bezel 82
Removing the Camera Board 83
Removing the LCD Panel 84
Removing the Microphone Set 85
Removing the WLAN Antennas 86
Chapter 3 77 87
Removing the LCD Brackets 88
Chapter 3 79 89
Replacing the LCD Brackets 90
Chapter 3 81 91
Replacing the WLAN Antennas 92
Replacing the Microphone Set 93
Replacing the LCD Panel 94
Replacing the Camera Board 95
Replacing the LCD Bezel 96
Replacing the LCD Module 97
88 Chapter 3 98
Replacing the Thermal Module 99
Replacing the Mainboard 100
Replacing the I/O Board 101
Replacing the Speaker Module 102
Replacing the Bridge Board 103
Replacing the LED Board 104
Replacing the Touchpad Board 104
Chapter 3 95 105
Replacing the Upper Cover 106
Chapter 3 97 107
Replacing the Keyboard 108
Replacing the WLAN Module 109
Replacing the DIMM Module 109
Replacing the Battery Pack 112
Troubleshooting 113
Power On Issue 114
No Display Issue 115
Random Loss of BIOS Settings 116
LCD Failure 117
Built-In Keyboard Failure 117
TouchPad Failure 118
Internal Speaker Failure 119
Internal Microphone Failure 121
HDD Not Operating Correctly 122
USB Failure (Rightside) 123
114 Chapter 4 124
3G Function Test Failure 125
Switch Failure 126
Thermal Units Failure 127
Power Button Failure 127
External Mouse Failure 128
Other Failures 128
Intermittent Problems 129
Undetermined Problems 129
Motherboard CMOS Discharge 130
POST Code Reference Tables 131
BDS & Specific action: 132
Mainboard Top View 137
Chapter 5 137
Mainboard Bottom View 138
Button Board 139
LED Board 140
I/O Board Top View 141
I/O Board Bottom View 142
Clearing Password Check 143
BIOS Recovery by Crisis Disk 144
Chapter 6 145
NAV50 Exploded Diagrams 146
Rear Assembly 147
Upper Cover Assembly 148
NAV50 FRU List 149
140 Chapter 6 150
Chapter 6 141 151
142 Chapter 6 152
Chapter 6 143 153
144 Chapter 6 154
Screw List 155
Appendix A 156
147 Appendix A 157
Appendix A 148 158
149 Appendix A 159
Appendix A 150 160
151 Appendix A 161
Appendix A 152 162
153 Appendix A 163
Appendix A 154 164
155 Appendix A 165
Appendix A 156 166
157 Appendix A 167
Appendix A 158 168
159 Appendix A 169
Appendix A 160 170
161 Appendix A 171
Appendix A 162 172
163 Appendix A 173
Appendix A 164 174
165 Appendix A 175
Appendix A 166 176
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
177 Appendix A 187
Appendix A 178 188
179 Appendix A 189
Appendix A 180 190
181 Appendix A 191
Appendix A 182 192
183 Appendix A 193
Appendix A 184 194
185 Appendix A 195
Appendix A 186 196
187 Appendix A 197
Appendix A 188 198
189 Appendix A 199
Appendix A 190 200
191 Appendix A 201
Appendix A 192 202
193 Appendix A 203
Appendix A 194 204
195 Appendix A 205
Appendix A 196 206
197 Appendix A 207
Appendix A 198 208
199 Appendix A 209
Appendix A 200 210
201 Appendix A 211
Appendix A 202 212
203 Appendix A 213
Appendix A 204 214
205 Appendix A 215
Appendix A 206 216
207 Appendix A 217
Appendix A 208 218
Test Compatible Components 219
Windows Environment Test 220
212 Appendix B 222
Online Support Information 223
214 Appendix C 224

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