Acer 230 User Manual Page 113
- Page / 164
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Chapter 4 105
Intermittent Problems
Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a
hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement
should be considered only when a recurring problem exists.
When analyzing an intermittent problem, do the following:
1. Run the advanced diagnostic test for the system board in loop mode at least 10 times.
2. If no error is detected, do not replace any FRU.
3. If any error is detected, replace the FRU. Rerun the test to verify that there are no more errors.
- TravelMate 230/ 280 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 7
- System Introduction 9
- Mobile CPU 12
- Board Layout 13
- Chapter 1 6 14
- 7 TravelMate 230/ 280 15
- Chapter 1 8 16
- 9 TravelMate 230/ 280 17
- Chapter 1 10 18
- 11 TravelMate 230/ 280 19
- Indicators 20
- Keyboard 21
- Windows keys 22
- Hot Keys 23
- Launch Keys 25
- Chapter 1 20 28
- Modem Interface 28
- Floppy Disk Drive Interface 28
- Hard Disk Drive Interface 28
- 21 TravelMate 230/ 280 29
- CD-ROM Interface 29
- DVD-ROM Interface 29
- Audio Interface 31
- 23 TravelMate 230/ 280 31
- (*9) Disk: ODSC-PARA 31
- Combo Drive Interface 31
- 27 TravelMate 230/ 280 35
- AC Adapter 35
- Chapter 1 28 36
- Power Management 36
- Environmental Requirements 36
- Mechanical Specification 36
- 29 TravelMate 230/ 280 37
- Memory Address Map 37
- I/O Address Map 37
- Chapter 1 30 38
- 31 TravelMate 230/ 280 39
- IRQ Assignment Map 39
- DMA Channel Assignment 39
- Chapter 1 32 40
- System Utilities 41
- PhoenixBIOS Setup Utility 42
- Multi-Boot Menu 43
- Chapter 2 41 49
- 42 TravelMate 230/ 280 50
- Chapter 2 43 51
- Enter Password 55
- Boot Options 57
- [Yes] [No] 59
- BIOS Flash Utility 60
- System Utility Diskette 61
- System Diagnostic Diskette 62
- ONE TEST 63
- MULTI TEST 63
- FULL TEST 63
- QUICK TEST 63
- Chapter 3 65
- General Information 66
- Chapter 3 59 67
- 60 TravelMate 230/ 280 68
- Chapter 3 61 69
- Screw List 69
- Removing the Battery 70
- 64 TravelMate 230/ 280 72
- Removing the Memory Module 73
- Removing the Modem Board 74
- Chapter 3 67 75
- Disassembling the LCD 76
- Removing the Keyboard 77
- Removing the Heat Plate 78
- Removing the LCD Module 79
- Removing the LCD Bezel 81
- Removing the 14.1” TFT LCD 84
- Removing the 15” TFT LCD 84
- Disassembling the Main Unit 87
- Removing the CPU Heat Sink 88
- Removing the Processor 88
- Installing the Processor 89
- Removing the Upper Case 89
- Removing the Touch Pad Board 91
- Removing the Touch Pad Button 91
- Removing the Touch Pad Cable 92
- Removing the Audio Board 93
- Removing the Speakers 94
- Removing the Charger Plate 94
- Removing the Main Board 95
- Removing the PCMCIA Slot 96
- Removing the I/O Port Bracket 97
- 90 TravelMate 230/ 280 98
- System Upgrade Procedure 99
- 92 TravelMate 230/ 280 100
- Troubleshooting 101
- System Check Procedures 102
- Memory Check 103
- Power System Check 103
- Check the Power Adapter 104
- Touchpad Check 105
- Index of Error Messages 107
- 100 TravelMate 230/ 280 108
- Error Message List 108
- Chapter 4 101 109
- Error Beep List 109
- 102 TravelMate 230/ 280 110
- LCD-Related Symptoms 110
- Indicator-Related Symptoms 110
- Power-Related Symptoms 110
- Chapter 4 103 111
- PCMCIA-Related Symptoms 111
- Memory-Related Symptoms 111
- Speaker-Related Symptoms 111
- Intermittent Problems 113
- Undetermined Problems 114
- Chapter 4 107 115
- 108 TravelMate 230/ 280 116
- Chapter 4 109 117
- 110 TravelMate 230/ 280 118
- Top View 119
- Chapter 5 119
- 112 TravelMate 230/ 280 120
- Keyboard Switch Settings 120
- Bottom View 121
- 114 TravelMate 230/ 280 122
- Chapter 6 123
- 116 TravelMate 230/280 124
- Chapter 6 117 125
- 118 TravelMate 230/280 126
- Chapter 6 119 127
- 120 TravelMate 230/280 128
- Chapter 6 121 129
- 122 TravelMate 230/280 130
- Chapter 6 123 131
- 124 TravelMate 230/280 132
- Chapter 6 125 133
- 126 TravelMate 230/280 134
- Chapter 6 127 135
- 128 TravelMate 230/280 136
- Chapter 6 129 137
- 130 TravelMate 230/280 138
- Chapter 6 131 139
- 132 TravelMate 230/280 140
- Chapter 6 133 141
- 134 TravelMate 230/280 142
- Model Number Definition 143
- Appendix A 143
- 136 TravelMate 230/ 280 144
- Test Compatible Components 145
- 138 TravelMate 230/280 146
- Appendix B 139 147
- 140 TravelMate 230/280 148
- Appendix B 141 149
- 142 TravelMate 230/280 150
- Appendix B 143 151
- 144 TravelMate 230/280 152
- Appendix B 145 153
- 146 TravelMate 230/280 154
- Appendix B 147 155
- 148 TravelMate 230/280 156
- Appendix B 149 157
- 150 TravelMate 230/280 158
- Online Support Information 159
- 152 TravelMate 230/ 280 160
- 156 TravelMate 230/ 280 164
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