Acer KB.I170A.058 Technical Information Page 177
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- Table of contents
- TROUBLESHOOTING
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167 Chapter 4
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:
Start
Reconnect the
cable to the
Mainboard
Check Fan power cable
Check Fan
Swap the Thermal
Module
CPU Heatink well
seated?
Seat it well
Check CPU Swap CPU
Swap Mainboard
OK
OK
OK
OK
NG
NG
NG
NG
- Aspire 5538 Series 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- Chapter 1 3 13
- • Operating: 20% to 80% 13
- • Non-operating: 20% to 80% 13
- System Block Diagram 14
- Your Notebook Tour 15
- Closed Front View 16
- Left View 16
- Right View 17
- Base View 18
- Rear View 18
- Indicators 19
- TouchPad Basics 20
- Using the Keyboard 21
- Windows Keys 22
- Hot Keys 23
- Special Keys 24
- +5.0V ± 5% 27
- System Utilities 33
- Information 34
- Advanced 36
- Security 38
- Setting a Password 39
- Removing a Password 39
- Changing a Password 40
- 32 Chapter 2 42
- BIOS Flash Utility 44
- DOS Flash Utility 45
- WinFlash Utility 46
- Removing BIOS Passwords: 48
- Miscellaneous Utilities 49
- Using the LAN MAC Utility 50
- Chapter 2 41 51
- Disassembly Requirements 52
- Chapter 3 52
- General Information 53
- Removing the Battery Pack 55
- Chapter 3 46 56
- 47 Chapter 3 57
- HDD Module M2.5*4 2 57
- 49 Chapter 3 59
- Removing the DIMM Module 62
- 53 Chapter 3 63
- 6. Remove the DIMM 63
- Chapter 3 54 64
- 8. Remove the DIMM 64
- Removing the WLAN Board 65
- 57 Chapter 3 67
- Main Unit Disassembly Process 68
- Removing the Keyboard 70
- 61 Chapter 3 71
- Removing the Upper Cover 72
- 63 Chapter 3 73
- Chapter 3 64 74
- Removing the Button Board 76
- 67 Chapter 3 77
- Chapter 3 68 78
- Removing the Touchpad Bracket 79
- Chapter 3 70 80
- Removing the Power Board 81
- Chapter 3 72 82
- Removing the Speaker Modules 83
- Chapter 3 74 84
- Removing the Media Board 85
- Chapter 3 76 86
- Removing the Bluetooth Module 87
- Removing the I/O Board 88
- 79 Chapter 3 89
- Chapter 3 80 90
- Removing the DC-In Cable 91
- Removing the Mainboard 92
- 83 Chapter 3 93
- Chapter 3 84 94
- Removing the LCD Module 95
- Removing the Fan 97
- Chapter 3 88 98
- Removing the Thermal Module 99
- Removing the CPU 100
- Removing the LCD Bezel 102
- 93 Chapter 3 103
- Removing the Camera Board 104
- Removing the LCD Panel 105
- Removing the FPC Cable 106
- 97 Chapter 3 107
- Removing the LCD Brackets 108
- Removing the Microphone 109
- Chapter 3 100 110
- Removing the Antennas 111
- Replacing the Antennas 113
- Replacing the Microphone 114
- 105 Chapter 3 115
- Replacing the LCD Brackets 116
- Replacing the FPC Cable 117
- Replacing the LCD Panel 118
- Replacing the Camera Board 119
- Replacing the LCD Bezel 120
- 111 Chapter 3 121
- Chapter 3 112 122
- Main Unit Reassembly Process 123
- Chapter 3 114 124
- Replacing the CPU 125
- Replacing the Thermal Module 125
- Chapter 3 116 126
- 2. Place the pads as shown 126
- Replacing the Fan 127
- Chapter 3 118 128
- Step Size Quantity Screw Type 128
- Fan M2.5*6 1 128
- Replacing the Mainboard 129
- Chapter 3 120 130
- 121 Chapter 3 131
- Mainboard M2.5*5 2 131
- Replacing the I/O Board 132
- 123 Chapter 3 133
- I/O Board M2.5*6 1 133
- Chapter 3 124 134
- Replacing the Media Board 135
- Chapter 3 126 136
- Replacing the Speaker Modules 137
- Chapter 3 128 138
- Replacing the Power Board 139
- Replacing the Button Board 142
- Replacing the Upper Cover 144
- 135 Chapter 3 145
- Upper Cover M2.5*6 6 145
- Chapter 3 136 146
- 137 Chapter 3 147
- Replacing the Keyboard 148
- 139 Chapter 3 149
- Replacing the WLAN Board 150
- Replacing the DIMM Modules 151
- Chapter 3 142 152
- Replacing the ODD 155
- Chapter 3 146 156
- ODD Module M2.5*3 1 156
- Replacing the Lower Covers 157
- Chapter 3 148 158
- Replacing the Battery 159
- Chapter 3 150 160
- 151 Chapter 3 161
- Troubleshooting 162
- Power On Issue 163
- No Display Issue 164
- Random Loss of BIOS Settings 165
- LCD Failure 166
- Built-In Keyboard Failure 166
- Touchpad Failure 167
- Internal Speaker Failure 167
- Sound Problems 168
- Internal Microphone Failure 169
- HDD Not Operating Correctly 170
- ODD Failure 171
- Discs Do Not Play 172
- Discs Do Not Burn Properly 172
- Playback is Choppy 172
- Drive Not Detected 173
- Drive Read Failure 173
- USB Failure (Right side) 174
- Wireless Function Failure 175
- Bluetooth Function Failure 176
- Easy Button Failure 176
- Thermal Unit Failure 177
- Intermittent Problems 178
- Undetermined Problems 179
- POST Code Tables 180
- BDS & Specific action: 182
- Top View 187
- Chapter 5 187
- Bottom View 188
- Clearing Password Check 189
- BIOS Recovery by Crisis Disk 190
- Chapter 6 191
- Aspire 5538 Exploded Diagrams 192
- LCD Assembly 193
- Aspire 5538 FRU List 194
- Screw List 201
- Appendix A 202
- 193 Appendix A 203
- Appendix A 194 204
- 195 Appendix A 205
- Appendix A 196 206
- 197 Appendix A 207
- Model CPU LCD VGA Chip VRAM 1 207
- Appendix A 198 208
- 207 Appendix A 217
- Test Compatible Components 218
- Windows XP Environment Test 219
- Online Support Information 222
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