Toshiba Satellite 2450 Manuel d'utilisateur Page 120
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User's Manual
POWER AND
POWER-UP MODES
Replacing the battery pack
When the battery pack reaches the end of its operating life you will need to install a
new one. The life of the battery pack is generally about 500 recharges. If the
Battery indicator flashes orange shortly after fully recharging the battery, the
battery pack needs to be replaced.
You might also replace a discharged battery pack with a charged spare when you
are operating your computer away from an AC power source. This section explains
how to remove and install the battery pack.
Removing the battery pack
To replace a discharged battery, follow the steps below.
CAUTIONS: 1. When handling battery packs, be careful not to short
circuit the terminals. Also do not drop, hit or other-
wise apply impact; do not scratch or break the casing
and do not twist or bend the battery pack.
2. Do not remove the battery pack while the computer is
in Standby mode. Data is stored in RAM, so if the
computer loses power it will be lost.
3. In Hibernation mode, data will be lost if you remove
the battery or disconnect the universal AC adaptor
before the save is completed. Wait for the Disk
indicator to go out.
4. Do not touch the latch while holding the computer. Or
you may get injured by the drpped battery by
unintentional release of the latch.
1. Save your work.
2. Turn the computer’s power off. Make sure the Power indicator is off.
3. Remove all cables connected to the computer.
4. Turn the computer upside down.
5. Slide the battery release latch to free the battery pack for removal, then slide
out the battery pack.
- Satellite 2450 Series 1
- Portable Personal Computer 1
- User’s Manual 1
- Copyright 2
- Disclaimer 2
- Trademarks 2
- FCC information 3
- FCC conditions 4
- VCCI Class B Information 4
- Modem warning notice 5
- Japan regulations 6
- Telephone company procedures 7
- If problems arise 7
- Disconnection 7
- Fax branding 7
- General conditions 12
- Table of Contents 15
- Chapter 3 Getting Started 16
- Chapter 4 Operating Basics 16
- Chapter 5 The Keyboard 18
- Chapter 8 Optional Devices 19
- Chapter 9 Troubleshooting 20
- Appendixes 21
- Glossary 21
- Manual contents 23
- Conventions 24
- Key operation 25
- Messages 25
- General Precautions 27
- PC card overheating 28
- Introduction 29
- Features 30
- Multimedia 34
- Communications 35
- Slim Select Bay 35
- Security 35
- Special features 36
- Utilities 38
- NTRODUCTION 39
- Slim Select Bay options 40
- The Grand Tour 41
- Left side 42
- Right side 44
- Back side 45
- DC IN 15V 46
- Under side 47
- Front with the display open 48
- Keyboard indicators 51
- ARROW MODE 51
- INDICATOR 51
- NUMERIC MODE 51
- Slim Select Bay modules 53
- Getting Started 59
- Placement of the computer 60
- Seating and posture 61
- Lighting 62
- Work habits 62
- Connecting the AC adaptor 63
- Opening the display 64
- Turning on the power 64
- Turning off the power 65
- Hibernation mode 66
- Starting Hibernation 67
- Automatic Hibernation 67
- Data save in hibernation mode 67
- Standby mode 68
- Restarting the computer 69
- Operating Basics 71
- Using the USB diskette drive 72
- Removing a module 73
- Installing a module 74
- Using optical media drives 75
- Removing discs 78
- Writing CDs on CD-RW/DVD-ROM 79
- When writing or rewriting 80
- Writing CD/DVDs on DVD-R/-RW 81
- Important message 82
- Read/write function chart 83
- Before writing or rewriting 85
- Drag’n Drop CD 86
- Data Verification 87
- Video (DVD-R/-RW/-RAM) 87
- Media care 89
- Region selection 90
- Properties menu 91
- Wireless communications 93
- Bluetooth wireless technology 94
- Wireless communication switch 95
- Connecting LAN cable 96
- Cleaning the computer 97
- Moving the computer 98
- Heat dispersal 98
- The Keyboard 99
- F1 … F12 function keys 100
- User's Manual 102
- Windows special keys 105
- Keypad overlay 105
- Numeric mode 106
- Generating ASCII characters 107
- Power and Power-Up Modes 109
- Power indicators 110
- Battery types 111
- Real Time Clock battery 112
- Safety precautions 113
- Charging the batteries 116
- Monitoring battery capacity 117
- Retaining data with power off 119
- Extending battery life 119
- Replacing the battery pack 120
- Installing the battery pack 121
- Power-up modes 123
- Panel power off 123
- System Auto Off 123
- HW Setup and Passwords 125
- HW SETUP AND 126
- PASSWORDS 126
- HW Setup 127
- Supervisor password 133
- Optional Devices 135
- PC cards 136
- Removing a PC card 137
- SD cards 138
- Removing an SD card 139
- SD card care 139
- Memory expansion 140
- Removing memory module 145
- Before installing 147
- Removing 148
- SmartMedia 149
- Memory Stick 151
- Compact Flash 152
- Battery pack (Black) 153
- Universal AC adaptor 153
- USB FDD kit 153
- Figure 8-22 Opening the lid 154
- External monitor 155
- Using the TV button 156
- Changing the resolution 156
- Precautions 158
- Connecting 159
- Disconnecting 159
- Security lock 160
- Troubleshooting 161
- Analyzing the problem 162
- Hardware and system checklist 163
- Self test 164
- Overheating power down 165
- AC power 165
- Problem Procedure 166
- Password 167
- Keyboard 167
- LCD panel 167
- Hard disk drive 168
- DVD-ROM drive 169
- CD-RW/DVD-ROM drive 170
- DVD-R/-RW drive 172
- DVD Multi drive 173
- Diskette drive 175
- Infrared port 176
- Pointing device 177
- USB mouse 178
- Sound system 180
- Wireless LAN 183
- Bluetooth 184
- Real Time Clock 184
- TOSHIBA support 185
- Specifications 187
- Display Controller and 189
- Video modes 190
- Appendix B 191
- AT Commands 199
- A Answer command 200
- En Echo command 201
- Hn Hook control 201
- In Request ID information 201
- Ln Monitor speaker volume 202
- Mn Monitor speaker mode 202
- Nn Modulation handshake 202
- Qn Result code control 203
- P Select pulse dialing 203
- T Select tone dialing 204
- Vn DCE response format 204
- Dial tone detect 205
- Busy tone detect 205
- Zn Recall stored profile 205
- &Dn DTR control 206
- &F Load factory settings 206
- &Tn Self-test commands 207
- Appendix C 209
- \Vn Protocol result code 210
- %B View numbers in blacklist 210
- %Cn Data compression control 210
- S-registers 211
- S0 Auto answer ring number 212
- S1 Ring counter 212
- (user defined) 212
- S6 Wait before dialing 213
- S8 Comma pause time 214
- S11 DTMF dialing speed 214
- S12 Escape guard time 214
- S37 Dial line rate 215
- AT command set result codes 216
- 2 90 Blacklist is full 217
- V.90 mode 219
- AT Command 221
- Internal Modem Guide 223
- Removing the internal modem 224
- Supported Frequency Sub-bands 226
- Appendix G 227
- AC Power Cord and 229
- Connectors 229
- Parts Numbers 231
- Configurations 232
- GLOSSARY 234
- User's manual 248
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