Toshiba NB250 User Manual Page 97
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User’s Manual 9-6
Troubleshooting
Keyboard
Keyboard problems can be caused by your setup configuration. For more
information refer to Chapter 5, The Keyboard and Chapter 7, HW Setup
and Passwords.
LCD panel
Apparent LCD problems may be related to the computer’s setup. Refer to
Chapter 7, HW Setup and Passwords, for more information.
Hard disk drive
Problem Procedure
Some letter keys
produce numbers
Check that the numeric keypad overlay is not
selected. Press FN + F11 and try typing again.
Output to screen is
garbled
Make sure the software you are using is not
remapping the keyboard. Remapping involves
reassigning the meaning of each key. See your
software’s documentation.
If you are still unable to use the keyboard,
consult your dealer
Problem Procedure
No display Press hot keys FN + F5 to change the display
priority, to make sure it is not set for an external
monitor.
Markings appear on
the LCD screen.
They might have come from contact with the
keyboard or touch pad. Try wiping the LCD
gently with a clean dry cloth. If markings remain,
use LCD cleaner. Be sure to let the LCD dry
before closing it.
Problems above
remain unresolved or
other problems occur
Refer to your software’s documentation to
determine if the software is causing the difficulty.
Contact your dealer if the problems continue.
Problem Procedure
Computer does not
boot from hard disk
drive
Check if a diskette is in the diskette drive or a
CD/DVD is in the optical disc drive. Remove any
diskette and/or CD/DVD and check the Boot
priority settings. Refer to Chapter 7, Boot Priority
section.
There may be a problem with your operating
system files. Refer to your operating system
documentation.
- User's Manual 1
- Copyright 2
- Disclaimer 2
- Trademarks 2
- EU Declaration of Conformity 3
- Disposal of products 4
- REACH - Compliance Statement 5
- User’s Manual vi 6
- TOSHIBA mini NB250 series 6
- ENERGY STAR 7
- Program 7
- Precautions 7
- Table of Contents 8
- Operating Basics 9
- Optional Devices 9
- Manual contents 11
- Conventions 12
- Key operation 13
- Messages 13
- Terminology 13
- General Precautions 14
- Stress injury 15
- Heat injury 15
- Pressure or impact damage 15
- Mobile phones 16
- Chapter 1 17
- Features 18
- Keyboard 19
- Pointing Device 20
- Multimedia 21
- Communications 21
- Special features 22
- User’s Manual 1-7 23
- Introduction 23
- TOSHIBA Value Added Package 24
- Utilities and Applications 25
- User’s Manual 1-10 26
- Chapter 2 27
- System indicators 28
- 1 2 3 4 5 6 29
- 2. DC IN 19V jack 30
- Back side 31
- Underside 31
- User’s Manual 2-6 32
- The Grand Tour 32
- Front with the display open 33
- User’s Manual 2-8 34
- 1. CAPS LOCK indicator 35
- User’s Manual 2-10 36
- The AC adaptor (3-pin plug) 36
- Chapter 3 37
- Connecting the AC adaptor 38
- User’s Manual 3-3 39
- Getting Started 39
- 1. Display panel 40
- Turning on the power 41
- 1. Power button 42
- Turning off the power 43
- Benefits of Sleep Mode 44
- Executing Sleep Mode 44
- Hibernation Mode 45
- Restarting the computer 46
- System Recovery Options 47
- Creating Recovery Media 48
- User’s Manual 3-13 49
- User’s Manual 3-14 50
- Chapter 4 51
- TOSHIBA Disc Creator 52
- Data Verification 53
- 2. Web Camera 54
- 1. Capture Still Images 55
- 4. Video Recording 55
- Using the microphone 56
- Wireless communications 56
- Security 57
- 1. LAN jack 2. LAN cable 58
- Cleaning the computer 59
- Moving the computer 60
- Heat dispersal 60
- Chapter 5 61
- Function keys: F1 … F12 62
- Hot keys 63
- User’s Manual 5-4 64
- The Keyboard 64
- Windows special keys 65
- Keypad overlay 66
- Generating ASCII characters 67
- Chapter 6 68
- Power indicators 69
- Battery types 70
- Real Time Clock (RTC) battery 71
- Charging the batteries 72
- Battery charging notice 73
- Monitoring battery capacity 74
- Retaining data with power off 75
- Extending battery life 75
- Replacing the battery pack 76
- User’s Manual 6-10 77
- Power and Power-up Modes 77
- Power-up modes 78
- Panel power on/off 79
- System auto off 79
- Chapter 7 80
- Password 81
- User Password 81
- User’s Manual 7-3 82
- HW Setup and Passwords 82
- User’s Manual 7-4 83
- Chapter 8 84
- Bridge media slot 85
- Additional memory module 86
- Installing a memory module 87
- 1. Memory module cover 88
- Removing a memory module 89
- Battery Packs 90
- Universal AC Adaptor 90
- USB floppy diskette drive 90
- External monitor 90
- Security lock 91
- Chapter 9 92
- Analyzing the problem 93
- Hardware and system checklist 94
- Overheating power down 95
- AC power 95
- LCD panel 97
- Hard disk drive 97
- Pointing device 98
- SD/MultiMedia Card 99
- External Monitor 100
- Sound system 100
- Sleep/Hibernation 101
- Wireless LAN 101
- TOSHIBA support 102
- Chapter 10 103
- HDD drive capacity 104
- Memory (Main System) 104
- Battery Life 104
- Graphics Processor Unit (GPU) 105
- Non-applicable Icons 105
- Copy Protection 105
- Appendix A 106
- Appendix B 107
- Appendix C 108
- Supported frequency sub-bands 109
- Appendix D 110
- User’s Manual D-2 111
- AC Power Cord and Connectors 111
- Appendix E 112
- TOSHIBA Theft Registration 113
- Owner’s details 113
- Glossary 114
- User’s Manual Glossary-2 115
- User’s Manual Glossary-3 116
- User’s Manual Glossary-4 117
- User’s Manual Glossary-5 118
- User’s Manual Glossary-6 119
- User’s Manual Glossary-7 120
- User’s Manual Glossary-8 121
- User’s Manual Glossary-9 122
- User’s Manual Glossary-10 123
- User’s Manual Glossary-11 124
- User’s Manual Glossary-12 125
- User’s Manual Glossary-13 126
- User’s Manual Glossary-14 127
- User’s Manual Index-1 128
- User’s Manual Index-2 129
- User’s Manual Index-3 130
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