Yamaha CRW8824IX Series Technical Information Page 101
- Page / 128
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Chapter 4 93
Power Management-Related Symptoms
Symptom / Error Action in Sequence
The system will not enter hibernation Keyboard (if control is from the keyboard)
Hard disk drive
Main Board
The system doesn't enter hibernation mode and
four short beeps every minute.
Press Fn+
m
and see if the computer enters hibernation mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
Main Board
The system doesn’t enter standby mode after
closing the LCD
LCD cover switch
Main Board
The system doesn't resume from hibernation
mode.
Hard disk connection board
Hard disk drive
Main Board
The system doesn't resume from standby mode
after opening the LCD.
LCD cover switch
Main Board
Battery fuel gauge in Windows doesn’t go higher
than 90%.
Remove battery pack and let it cool for 2 hours.
Refresh battery (continue use battery until power off, then charge
battery).
Battery pack
Main Board
Peripheral-Related Symptoms
Symptom / Error Action in Sequence
System configuration does not match the
installed devices.
Enter BIOS Setup Utility to execute “Load Default Settings”, then
reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
External display does not work correctly.
Press Fn+
n
, LCD/CRT/Both display switching
Main Board
USB does not work correctly Main Board
Print problems. Ensure the “Parallel Port” in the “Onboard Devices Configuration” of
BIOS Setup Utility is set to Enabled.
Onboard Devices Configuration
Run printer self-test.
Printer driver
Printer cable
Printer
Main Board
Serial or parallel port device problems. Ensure the “Serial Port” in the Devices Configuration” of BIOS Setup
Utility is set to Enabled.
Device driver
Device cable
Device
Main Board
- OpenBook 1556 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- VI OpenBook 1556 6
- Table of Contents 7
- System Specifications 9
- System Block Diagram 11
- Board Layout 12
- Outlook View 14
- 8 OpenBook 1556 16
- Left Panel 17
- Right Panel 18
- Rear Panel 19
- Bottom Panel 20
- Indicators 21
- Lock Keys 22
- Embedded Numeric Keypad 23
- Windows Keys 24
- Hot Keys 25
- Launch Keys 26
- Chapter 1 19 27
- Processor 27
- Second Level Cache 27
- System Memory 27
- Chapter 1 21 29
- DVD-ROM Interface 29
- DVD + RW Interface 29
- Chapter 1 23 31
- Parallel Port 31
- USB Port 31
- IrDA Port 31
- Video Resolutions Mode 31
- 26 OpenBook 1556 34
- AC Adapter 34
- Chapter 1 27 35
- Power Management 35
- Environmental Requirements 35
- 28 OpenBook 1556 36
- Mechanical Specification 36
- Memory Address Map 36
- I/O Address Map 36
- Chapter 1 29 37
- 30 OpenBook 1556 38
- IRQ Assignment Map 38
- DMA Channel Assignment 38
- System Utilities 39
- Chapter 2 33 41
- 34 OpenBook 1556 42
- Advanced Information 43
- Primary Master 44
- Chapter 2 37 45
- Secondary Master 46
- Chapter 2 39 47
- I/O Device Configuration 48
- Chapter 2 41 49
- Setting a Password 51
- Removing a Password 52
- Changing a Password 52
- Boot Options 54
- BIOS Flash Utility 56
- Chapter 2 49 57
- 50 OpenBook 1556 58
- Chapter 3 59
- General Information 60
- Chapter 3 53 61
- Removing the Battery 63
- Disassembling the Main Unit 67
- Removing the Keyboard 68
- Removing the Antennas 69
- Removing the LCD Module 72
- Removing the Fan Module 73
- Removing the CPU Heat Sink 73
- Removing the CPU 74
- Removing the RTC Battery 75
- Removing the Modem Board 75
- Removing the Touch Pad FPC 78
- Removing the Touch Pad Board 79
- Removing the Microphone 80
- Removing the Speaker Assembly 81
- Removing the Choke Heatsink 82
- Removing the Main Board 82
- Removing I/O Port Bracket 83
- Removing the PCMCIA Socket 84
- Removing the LCD Bezel 86
- Removing the Inverter Board 87
- Removing the LCD Latch 87
- Removing the LCD 87
- 82 OpenBook 1556 90
- Troubleshooting 91
- System Check Procedures 92
- Chapter 4 87 95
- 88 OpenBook 1556 96
- Index of Error Messages 97
- 90 OpenBook 1556 98
- Error Message List 98
- Chapter 4 91 99
- LCD-Related Symptoms 99
- Chapter 4 93 101
- Peripheral-Related Symptoms 101
- Intermittent Problems 103
- Undetermined Problems 103
- 96 OpenBook 1556 104
- Top View 105
- Chapter 5 105
- Bottom View 106
- Chapter 6 107
- 100 OpenBook 1556 108
- Chapter 6 101 109
- 102 OpenBook 1556 110
- Chapter 6 103 111
- 104 OpenBook 1556 112
- Chapter 6 105 113
- 106 OpenBook 1556 114
- Chapter 6 107 115
- 108 OpenBook 1556 116
- Test Compatible Components 117
- 110 OpenBook 1556 118
- Appendix A 111 119
- 112 OpenBook 1556 120
- Appendix A 113 121
- 114 OpenBook 1556 122
- Online Support Information 123
- 116 OpenBook 1556 124
- Chapter 3 119 127
- Video 22 127
- Resolutions 22 127
- Video controller 24 127
- 120 OpenBook 1556 128
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