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Monitoring main battery power

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112 Mobile Computing Monitoring main battery power The computer can be used while the RTC battery is being charged, although the charging status of the RTC battery cannot be monitored. Monitoring main battery power The computer's main battery light gives you an indication of the main battery's current charge: ❖ Glows amber while the main battery is being charged (AC adapter connected) ❖ Glows green when the main battery is fully charged (AC adapter connected) ❖ Is unlit when the battery has discharged, the main battery is not charging, or the AC adapter is not plugged into the computer or AC outlet NOTE Battery life and charge time may vary, depending upon power management settings, applications and features used. ❖ Flashes amber when the main battery charge is low and it is time to recharge the main battery or plug in the AC adapter. NOTE If the battery indicator light flashes amber during charging, either the battery pack is malfunctioning, or it is not receiving correct input from the AC power supply. Disconnect the AC cable and remove the battery pack. See "Changing the main battery" on page 121 for information on replacing the main battery.

Section	Page
Satellite® L20/L25 Series User’s Guide	1
Contents	28
Introduction	35
This guide	36
Safety icons	37
Other icons used	38
Other documentation	38
Service options	39
Chapter 1: Getting Started	40
Selecting a place to work	40
Creating a computer-friendly environment	40
Keeping yourself comfortable	41
Precautions	41
Important information on your computer’s cooling fan	44
Setting up your computer	44
Setting up your software	45
Registering your computer with Toshiba	46
Setting up other devices	47
Connecting to a power source	47
Charging the main battery	50
Using the computer for the first time	52
Opening the display panel	52
Your computer’s features and specifications	53
Turning on the power	53
Adding memory (optional)	54
Installing a memory module	55
Removing a memory module	60
Using the TouchPad™	62
Scrolling with the TouchPad™	63
Control buttons	63
Disabling or enabling the TouchPad	63
Turning off the computer	65
Closing the display panel	66
Using optional external display devices	66
Directing the display output when you turn on the computer	67
Adjusting the quality of the external display	68
Using an external keyboard	68
Using a mouse	68
Connecting a printer	69
Setting up a printer	70
Connecting an optional external diskette drive	71
Caring for your computer	71
Cleaning the computer	72
Moving the computer	72
Using a computer lock	72
Chapter 2: Learning the Basics	74
Computing tips	74
Using the keyboard	76
Character keys	76
Making your keyboard emulate a full-size keyboard	76
Ctrl, Fn, and Alt keys	77
Function keys	77
Windows special keys	78
Overlay keys	78
Using the overlay to type numeric data	79
Starting a program	80
Starting a program from the Start menu	80
Starting a program from Windows® Explorer	81
Starting a program from the Run dialog box	82
Saving your work	83
Printing your work	85
Backing up your work	86
Restoring your work	87
Using the DVD-ROM or multi-function drive	87
Drive components and control buttons	88
DVD-ROM or multi-function drive components	88
CD/DVD control buttons	90
Inserting a compact disc	90
Removing a disc with the computer on	92
Removing a disc with the computer off	92
Playing an audio CD	93
Playing CDs using Auto-Run	94
Creating a CD	94
Caring for CD or DVD Discs	95
Powering down the computer	96
Using the Turn off computer or Shut down command	96
Shutting down more quickly	97
Using Hibernation Mode	98
Using Standby Mode	101
Toshiba’s online resources	105
Chapter 3: Mobile Computing	106
Toshiba’s energy-saver design	106
Running the computer on battery power	107
Battery Notice	107
Power management	108
Using additional batteries	109
Charging batteries	109
Charging the main battery	109
Charging the RTC battery	111
Monitoring main battery power	112
Determining remaining battery power	113
What to do when the main battery runs low	115
Setting battery alarms	115
Conserving battery power	116
Power profiles	117
Changing the main battery	118
Removing the battery from the computer	118
Inserting a charged battery	119
Taking care of your battery	120
Safety precautions	120
Maximizing battery life	121
Disposing of used batteries	122
Traveling tips	124
Chapter 4: Exploring Your Computer’s Features	125
Exploring the desktop	125
Finding your way around the desktop	126
Setting up for communications	128
Connecting the modem to a telephone line	130
Connecting your computer to a network	131
An overview of using the Internet	133
The Internet	134
The World Wide Web	134
Internet Service Providers	134
Connecting to the Internet	135
Surfing the Internet	135
Internet features	136
Uploading to, and downloading files from, the Internet	137
Exploring audio features	137
Recording sounds	137
Using external speakers or headphones	139
Inserting and removing PC Cards	140
Inserting a PC Card	140
Using PC Cards	141
Hot swapping	141
Chapter 5: Toshiba Utilities	142
TOSHIBA Assist	143
Customizing Your Computer	144
Network	144
Security	144
Mouse utility	144
Hotkey utility	144
TOSHIBA HW Setup	145
Setting user passwords	146
Using an instant password	147
Setting a user password	148
Disabling a user password	148
Using a supervisor password	149
Setting a supervisor password	149
Deleting a supervisor password	150
Using the TOSHIBA Zooming Utility	150
Using the TOSHIBA Touch and Launch utility	151
Chapter 6: If Something Goes Wrong	156
Problems that are easy to fix	156
Problems when you turn on the computer	158
The Windows ® operating system is not working	160
Using Startup options to fix problems	161
Internet problems	162
The Windows® XP operating system can help you	162
Resolving a hardware conflict	163
A plan of action	164
Resolving hardware conflicts on your own	164
Fixing a problem with Device Manager	166
Memory problems	168
Power and the batteries	168
Keyboard problems	171
Display problems	172
Disk drive problems	174
DVD-ROM or multi-function drive problems	176
Sound system problems	178
PC Card problems	178
Printer problems	181
Modem problems	182
Wireless networking problems	183
DVD operating problems	186
Develop good computing habits	189
Data and system configuration backup in Windows XP	191
If you need further assistance	197
Before you contact Toshiba	197
Contacting Toshiba	198
Other Toshiba Internet Web sites	199
Toshiba’s worldwide offices	199
Appendix A: Hot Keys	201
Volume Mute	201
Password security	201
Without a password	202
With a password	202
Maintaining security when the battery is not fully charged	203
Standby mode	204
Hibernation mode	205
Display modes	206
Display brightness	206
Disabling or enabling the TouchPad	207
Zooming applications in/out	207
Keyboard hot keys	208
Appendix B: Power Cord/Cable Connectors	209
Appendix C: Using ConfigFree™ with your Toshiba Computer	210
Getting Started	211
Starting ConfigFree	211
ConfigFree Utilities	213
Connectivity Doctor	213
Search for Wireless Devices	216
Profile Settings	221
ConfigFree SUMMIT	225
Quick Connect	229
Using the Automatic Switch	232
Semi-Automatic Switch Feature	232
Glossary	234
Index	249
Numerics	249
A	249
B	249
C	249
D	250
E	251
F	251
H	251
I	251
J	252
K	252
L	252
M	252
N	252
O	253
P	253
R	254
S	254
T	255
U	255
V	255