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Monitoring battery power, Determining remaining battery power

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105 Mobile Computing Monitoring battery power TECHNICAL NOTE: The RTC battery does not charge while the computer is turned off, even when AC power is attached. Monitoring battery power The battery light indicates the battery's current charge. The indicator light: ❖ Glows green when the battery is fully charged ❖ Glows amber while the battery is being charged ❖ Does not glow if the external power source is disconnected or if the battery is completely discharged Determining remaining battery power Wait at least 16 seconds after turning on the computer before trying to monitor the remaining battery power. The computer needs this time to check the battery's remaining capacity and perform its calculations. 1 Click Start, Control Panel, then Performance and Maintenance. 2 Double-click the Toshiba Power Management icon. The current power source and battery power remaining section displays the current charge state of the battery. The value displays as a percentage of remaining battery charge.

Section	Page
Satellite® P25 Series User’s Guide	1
Contents	24
Introduction 31	24
Chapter 1: Finding Your Way Around 35	24
Chapter 2: Getting Started 45	24
Chapter 3: Learning the Basics 73	25
Chapter 4: Mobile Computing 101	26
Chapter 5: Getting to Know the Windows ® XP Operating System 115	27
Chapter 6: Exploring Your Options 143	28
Chapter 7: If Something Goes Wrong 168	29
Appendix A: Hot Keys 198	30
Appendix B: Power Cable Connectors 206	30
Glossary 207	30
Index 222	30
Introduction	31
This guide	31
Safety icons	32
Other icons used	33
Other documentation	33
Service options	34
Chapter 1: Finding Your Way Around	35
Making sure you have everything	35
Front with the display closed	36
Back	37
Right side	38
Left side	39
Front with the display open	40
Front panel lights	41
Indicator lights	42
Underside	43
Chapter 2: Getting Started	45
Selecting a place to work	45
Creating a computer-friendly environment	45
Keeping yourself comfortable	46
Precautions	49
Setting up your computer	51
Setting up your software	51
Registering your computer with Toshiba	53
Adding external devices	53
Connecting the AC adapter	54
Charging the main battery	56
Using the computer for the first time	57
Opening the display panel	57
Turning on the power	58
Using the TouchPad™	59
Control buttons	59
Disabling or enabling the TouchPad	60
Installing additional memory (optional)	61
Removing a memory module	64
Connecting a mouse	65
Connecting a printer	65
Setting up a printer	67
Turning off the computer	70
Caring for your computer	71
Cleaning the computer	71
Moving the computer	71
Using a computer lock	72
Chapter 3: Learning the Basics	73
Computing tips	73
Using the keyboard	74
Character keys	74
Ctrl, Fn, and Alt keys	75
Function keys	75
Windows® special keys	75
Overlay keys	76
Starting a program	78
Saving your work	78
Printing your work	79
Backing up your files	79
Using the DVD-ROM or Multifunction drive	80
Drive components and control buttons	81
DVD-ROM drive components	81
CD/DVD control buttons	82
CD/DVD control and digital audio modes	83
Inserting a disc	84
Playing an audio CD	86
Viewing the contents of a CD or DVD	88
Removing a disc with the computer on	88
Removing a disc with the computer off	88
Caring for CDs and DVDs	89
Setting up for communications	89
Connecting the modem to a phone line	90
Connecting your computer to a network	90
Powering down the computer	91
Using Turn Off or Shut down	92
Hibernation command	93
Stand By command	94
Turning off more quickly	94
Starting again after Turn Off	95
Using Hibernation	96
Starting again from Hibernation mode	97
Using Stand by	98
Going into Stand by mode more quickly	99
Starting again from Stand by	99
Toshiba’s online resources	100
Chapter 4: Mobile Computing	101
Toshiba’s energy-saver design	101
Running the computer on battery power	101
Power management	103
Charging the battery	103
Charging the RTC battery	104
Monitoring battery power	105
Determining remaining battery power	105
Conserving battery power	106
What to do when the battery runs low	107
Setting battery alarms	108
Changing the main battery	109
Removing the battery from the computer	109
Taking care of your battery	110
Maximizing battery life	111
Disposing of used batteries safely	113
Traveling tips	114
Chapter 5: Getting to Know the Windows ® XP Operating System	115
Lesson 1: Exploring the desktop	116
Finding your way around the desktop	116
Windows® XP file system	118
Lesson 2: Using the TouchPad and control buttons together	119
Lesson 3: Learning about the Internet	121
Lesson 4: Creating a new document	122
Lesson 5: Creating a new folder	124
Lesson 6: Starting programs	125
Lesson 7: Resizing, repositioning, and hiding windows	127
Using the taskbar	127
Minimizing and maximizing windows	127
Resizing and moving windows	128
Lesson 8: Closing programs	130
Lesson 9: Creating shortcuts	130
Creating a shortcut to the Calculator	130
Creating a shortcut to the Character Map	131
Lesson 10: Changing the screen saver	133
Lesson 11: Setting the date and time	135
Lesson 12: Removing objects from the desktop	136
Lesson 13: Using System Restore	138
Lesson 14: If I am lost, what do I do?	139
Windows® XP Help and Support Center	139
Using the online tours and tutorials	141
Lesson 15: Turning off your computer	142
Chapter 6: Exploring Your Options	143
Windows® XP special features	143
Personalizing your desktop	144
Customizing the taskbar	144
Bringing the world to your desktop	145
Changing desktop and browsing style	146
Personalizing individual windows	147
Customizing window toolbars	148
Displaying information about each folder	149
Using your computer at the office	150
Setting up for communications	151
Connecting the modem to a telephone line	152
Setting up a dial-up connection	152
Exchanging data with another computer	153
Transferring files using a parallel port connection	153
Getting help transferring files	153
Connecting to the Internet	154
An overview of using the Internet	155
The Internet	155
The World Wide Web	155
Internet Service Providers	156
Signing up with an Internet Service Provider	156
Surfing the Internet	156
Internet features	157
Uploading and downloading files on the Internet	157
Exploring video features	158
Changing the display properties setting	158
Display settings hot key	159
Exploring audio features	159
Recording sounds	159
Using a microphone	160
Adjusting recording settings	161
Using external speakers or headphones	161
Connecting a monitor, keyboard and mouse	162
Using the Modular Bay	162
Removing a module from the Modular Bay	162
Inserting a module into the Modular Bay	164
Using PC Cards	164
PC Card supporting software	164
Inserting PC Cards	165
Removing PC Cards	166
Hot swapping	167
Chapter 7: If Something Goes Wrong	168
Problems when you turn on the computer	171
The Windows® operating system is not working	172
Using Startup options to fix problems	172
Internet problems	173
The Windows® XP operating system can help you	174
Resolving a hardware conflict	174
A plan of action	175
Resolving hardware conflicts on your own	175
Fixing a problem with Device Manager	176
Memory card problems	178
Power and the batteries	179
Keyboard problems	180
Display problems	181
Disk drive problems	183
DVD-ROM or multifunction drive problems	185
Sound system problems	186
PC Card problems	186
Printer problems	190
Modem problems	191
Develop good computing habits	191
If you need further assistance	192
Before you call	193
Contacting Toshiba	193
Other Toshiba Internet Web sites	194
Toshiba’s worldwide offices	194
Appendix A: Hot Keys	198
Instant password security	198
Without a password	198
With a password	198
Maintaining security when the battery is not fully charged	199
Sound	200
Power usage mode	200
Stand by mode	201
Hibernation mode	202
Display modes	203
Display modes	203
Enabling a wireless device	204
Disabling or enabling the TouchPad	204
Keyboard hot keys	205
Appendix B: Power Cable Connectors	206
Glossary	207