Acer IEEE 802.11b WLAN PC Card Technical Information Page 85
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- Table of contents
- TROUBLESHOOTING
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The following auxiliary input devices are supported by this computer:
!
Numeric keypad
!
External keyboard
If any of these devices do not work, reconnect the cable connector and repeat the failing operation.
Memory Check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1.
Boot from the diagnostics diskette and start the PQA program (please refer to “Running PQA Diagnostics
Program” on page 43.
2.
Go to the diagnostic memory in the test items.
3.
Press F2 in the test items.
4.
Follow the instructions in the message window.
NOTE:
Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
Power System Check
To verify the symptom of the problem, power on the computer using each of the following power sources:
1.
Remove the battery pack.
2.
Connect the power adapter and check that power is supplied.
3.
Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.
If you suspect a power problem, see the appropriate power supply check in the following list:
!
“Check the Power Adapter” on page 77
!
“Check the Battery Pack” on page 77
Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power
adapter cable. See the following figure
1.
If the voltage is not correct, replace the power adapter.
2.
If the voltage is within the range, do the following:
!
Replace the main board.
!
If the problem is not corrected, see “Undetermined Problems” on page 86.
!
If the voltage is not correct, go to the next step.
NOTE:
An audible noise from the power adapter does not always indicate a defect.
3.
If the power-on indicator does not light up, check the power cord of the power adapter for correct
continuity and installation.
4.
If the operational charge does not work, see “Check the Battery Pack” on page 77.
Check the Battery Pack
To check the battery pack, do the following:
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
- TravelMate 610 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- Expansion 12
- System Block Diagram 13
- Board Layout 14
- Bottom View 15
- Front Panel 16
- Left Panel 17
- Right Panel 18
- Rear Panel 19
- Bottom Panel 20
- Indicators 21
- Keyboard 22
- Embedded numeric keypad 23
- Windows keys 23
- Hot Keys 24
- The Euro symbol 25
- Launch Keys 25
- 16 Chapter 1 26
- Main board Major Chips 26
- Processor 26
- Second Level Cache 26
- 18 Chapter 1 28
- Modem Interface 28
- Hard Disk Drive Interface 28
- CD-R/W Interface 28
- Chapter 1 19 29
- DVD-ROM Interface 29
- Audio Interface 29
- Video Interface 29
- Chapter 1 21 31
- PCMCIA Port 31
- Smart Card CardBus Interface 31
- Chapter 1 23 33
- AC Adapter 33
- 24 Chapter 1 34
- Power Management 34
- Environmental Requirements 34
- Chapter 1 25 35
- Mechanical Specifications 35
- Memory Address Map 35
- I/O Address Map 35
- 26 Chapter 1 36
- IRQ Assignment Map 36
- DMA Channel Assignment 36
- System Utilities 37
- System Information 38
- Basic System Settings 39
- Startup Configuration 40
- IDE Primary Master 41
- IDE Secondary Master 41
- Onboard Devices Configuration 42
- PCI IRQ Routing 43
- System Security 44
- Boot Options 45
- Exit Setup 46
- BIOS Flash Utility 47
- System Utility Diskette 48
- System Diagnostic Diskette 50
- USB Test 51
- Smart Card Test 51
- Infrared Ray (IR) Test 51
- 46 Chapter 2 54
- Chapter 3 55
- General Information 56
- Chapter 3 49 57
- 50 Chapter 3 58
- Screw List 58
- Removing the Battery Pack 59
- Chapter 3 53 61
- Removing the Extended Memory 63
- Removing the Modem Board 64
- Disassembling the LCD 65
- Removing the Keyboard 66
- Removing the LCD Module 67
- Removing LCD Bezel 68
- Removing the LCD 69
- Removing the LCD Hinges 70
- Chapter 3 63 71
- Disassembling the Upper Case 72
- Removing the Upper Case 73
- Disassembling the Lower Case 74
- Removing the Microphone 75
- Removing the Speakers 76
- Removing the Front Panel 76
- Removing the Fan 77
- Removing the CPU 78
- Removing the Main board 79
- Removing the Antenna Boards 79
- Removing the Touch Pad 80
- 74 Chapter 3 82
- Troubleshooting 83
- System Check Procedures 84
- Memory Check 85
- Power System Check 85
- Touchpad Check 86
- Index of Error Messages 87
- Error Message List 88
- LCD-Related Symptoms 90
- Speaker-Related Symptoms 92
- Peripheral-Related Symptoms 92
- Intermittent Problems 94
- Undetermined Problems 94
- Mainboard Top View 97
- Chapter 5 97
- PCB 99203 98
- Mainboard Bottom View 99
- 92 Chapter 5 100
- 94 Chapter 5 102
- Chapter 6 103
- Appendix A 115
- 108 Appendix A 116
- Test Compatible Components 117
- 110 Appendix B 118
- Appendix B 111 119
- 112 Appendix B 120
- Appendix B 113 121
- 114 Appendix B 122
- Windows ME Environment Test 123
- 116 Appendix B 124
- Appendix B 117 125
- 118 Appendix B 126
- Online Support Information 127
- 120 Appendix C 128
- Windows 2000 Environment Test 131
- Windows 98 Environment Test 131
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