Toshiba NB250 Manuel d'utilisateur Page 71
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User’s Manual 6-4
Power and Power-up Modes
Real Time Clock (RTC) battery
The Real Time Clock (RTC) battery provides power for the internal real
time clock and calendar function and also maintains the system
configuration while the computer is turned off. If the RTC battery becomes
completely discharged, the system will lose this information and the real
time clock and calendar will stop working - in this instance the following
message will be displayed when you turn on the power:
When this error appears, the following action is recommended.
1. Connect the AC adaptor and let the battery charge for 24-hours.
2. Press F2 to enter BIOS setup menu.
3. Set correct time and date.
Care and use of the battery pack
The battery pack is a vital component of portable computing and, as such,
taking proper care of it will help ensure a longer operating time on battery
power as well as deliver a longer life for your battery pack. The instructions
detailed in this section will help to ensure safe operation and maximum
performance.
Refer to the enclosed Instruction Manual for Safety and Comfort for
detailed precautions and handling instructions.
■ The battery pack is a lithium ion battery, which can explode if not
properly replaced, used, handled or disposed of. Dispose of the battery
as required by local ordinances or regulations. Use only batteries
recommended by TOSHIBA as replacements.
■ Do not remove the battery pack while the computer is in Sleep Mode.
In this mode data is stored in memory, so if the computer loses power,
it will be lost.
■ Battery type (depending on the model you purchased)
S
ERROR 0271: Check date and time settings.
WARNING 0251: System CMOS checksum bad -
Default configuration used.
Press <F1> to resume, <F2> to Setup.
The computer's RTC battery is a lithium battery and should be replaced
only by your dealer or by a TOSHIBA service representative. The battery
can explode if not properly replaced, used, handled or disposed of.
Dispose of the battery as required by local ordinances or regulations.
If you still see the error message after performing the above actions,
please contact your TOSHIBA service representative.
- 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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