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Determining remaining battery power, ON/OFF light

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Mobile Computing Monitoring main battery power 117 HINT: Be careful not to confuse the battery light ( ) and the ON/OFF light ( ). When the ON/OFF light flashes amber, it indicates that the system is suspended (using the Windows® operating system Sleep command). C640 series System indicator lights C650 series AC power light ON/OFF light (Sample Illustration) Power and battery light locations Determining remaining battery power NOTE Wait a few moments 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. Move the pointer over the power icon in the notification area, see "Finding your way around the desktop" on page 130 for more information on the notification area. A pop-up message displays the remaining battery power as a percentage. With repeated discharges and recharges, the battery's capacity gradually decreases. A frequently used older battery does not power the computer for as long as a new battery, even when both are fully charged.

Section	Page
Satellite® C640/C650 Series User’s Guide	1
Contents	29
Introduction	36
This guide	38
Safety icons	39
Other icons used	39
Your computer’s features and specifications	40
Other documentation	40
Service options	40
Chapter 1: Getting Started	41
Selecting a place to work	41
Setting up a work environment	41
Keeping yourself comfortable	42
Precautions	42
Important information on your computer’s cooling fan	44
Setting up your computer	44
Connecting to a power source	45
Charging the main battery	47
Using the computer for the first time	48
Opening the display panel	48
Turning on the power	49
Setting up your software	49
Registering your computer with Toshiba	50
Adding optional external devices	50
Adding memory (optional)	50
Installing a memory module	51
Removing a memory module	57
Checking total memory	59
Recovering the Internal Storage Drive	59
Recovering to out-of-box state (recommended recovery method)	61
Recovering to a custom size partition	63
Recovering without changing the internal storage drive partitions	66
Creating recovery DVDs/media	68
Restoring from recovery DVDs/media	71
Erasing the Internal Storage Drive	73
Checking the internal storage drive operating status	74
Installing drivers and applications	75
Using the TouchPad™	75
Adjusting TouchPad™ settings	78
Disabling or enabling the TouchPad™	79
Using external display devices	79
Connecting an external monitor or projector	79
Directing the display output when you turn on the computer	80
Adjusting the quality of the external display	81
Using an external keyboard	81
Using a mouse	81
Connecting a printer	81
Setting up a printer	82
Turning off the computer	83
Options for turning off the computer	83
Using the Shut down command	85
Using and configuring Hibernation mode	88
Using and configuring Sleep mode	90
Closing the display panel	93
Customizing your computer’s settings	93
Caring for your computer	93
Cleaning the computer	93
Moving the computer	94
Using a computer lock	94
Chapter 2: Learning the Basics	95
Computing tips	95
Using the keyboard	96
Character keys	97
Making your keyboard emulate a full-size keyboard	97
Ctrl, Fn, and Alt keys	98
Function keys	98
Special Windows® keys	98
Overlay keys	99
Starting a program	100
Starting a program from the Start menu	100
Starting a program from Windows® Explorer	101
Starting a program using the Search programs and files field	102
Saving your work	102
Printing your work	104
Backing up your work	105
Restoring your work	105
Using the optical disc drive	106
Optical disc drive components	106
Inserting an optical disc	107
Playing an audio CD	109
Playing optical media	109
Recording optical media	109
Removing a disc with the computer on	110
Removing a disc with the computer off	110
Caring for optical discs	111
Toshiba’s online resources	111
Chapter 3: Mobile Computing	112
Toshiba’s energy-saver design	112
Running the computer on battery power	112
Battery Notice	113
Power management	114
Using additional batteries	114
Charging batteries	114
Charging the main battery	115
Charging the RTC battery	115
Monitoring main battery power	116
Determining remaining battery power	117
What to do when the main battery runs low	118
Setting battery notifications	118
Conserving battery power	119
Power Plans	120
Using a hot key to set the Power Plan	121
Changing the main battery	122
Removing the battery from the computer	122
Inserting a charged battery	124
Taking care of your battery	125
Safety precautions	125
Maintaining your battery	126
Disposing of used batteries	127
Traveling tips	128
Chapter 4: Exploring Your Computer’s Features	129
Exploring the desktop	129
Finding your way around the desktop	130
Setting up for communications	132
Connecting your computer to a network	133
Connecting a modem to a telephone line	134
Exploring audio features	135
Recording sounds	135
Using external speakers or headphones	136
Using the Web Camera	136
Using the Memory card reader	137
Inserting memory media	137
Removing memory media	138
Chapter 5: Utilities	139
TOSHIBA Assist	140
Secure	141
Protect & Fix	142
Optimize	143
TOSHIBA Application Installer	144
Setting passwords	145
Using an instant password	145
Using a supervisor password	146
Using a user password	147
Deleting a user password	148
TOSHIBA Face Recognition Utility	149
TOSHIBA PC Diagnostic Tool Utility	150
Mouse Utility	151
TOSHIBA Hardware Setup	152
TOSHIBA Zooming Utility	154
TOSHIBA Accessibility	155
TOSHIBA Service Station	156
Chapter 6: If Something Goes Wrong	157
Problems that are easy to fix	157
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® operating system can help you	162
Fixing a problem with Device Manager	163
Checking device properties	163
Memory problems	164
Power and the batteries	164
Keyboard problems	166
Display problems	166
Disk or storage drive problems	168
Error-checking	168
Optical disc drive problems	169
Sound system problems	170
Printer problems	171
Modem problems	172
Wireless networking problems	172
DVD operating problems	174
Develop good computing habits	175
Data and system configuration backup in the Windows® operating system	176
If you need further assistance	180
Before you contact Toshiba	180
Contacting Toshiba	180
Other Toshiba Internet Web sites	181
Toshiba’s worldwide offices	182
Appendix A: Hot Keys/TOSHIBA Cards	184
Hot Key Cards	184
Using the Hot Key Cards	185
Application Cards	186
Using the Application Cards	186
Card Case	187
Hot key functions	188
Volume Mute	188
Lock (Instant security)	189
Power plan	190
Sleep mode	191
Hibernation mode	192
Output (Display switch)	193
Display brightness	194
Disabling or enabling wireless devices	195
Disabling or enabling the TouchPad™	196
Zoom (Display resolution)	197
Keyboard hot key functions	198
Appendix B: Power Cord/Cable Connectors	199
Glossary	200
A	202
B	203
C	204
D	205
E	206
F	207
G	207
H	207
I	208
K	208
L	208
M	209
N	210
O	210
P	210
R	211
S	212
T	213
U	213
W	214