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Toshiba Satellite L875D-S7332 User Guide - Page 87

Charging the RTC battery - reset

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Mobile Computing 87 Running the computer on battery power ❖ The battery is almost completely discharged. Leave the power connected and the battery should begin charging after a few minutes. HINT: Once the battery is fully charged, we recommend that you periodically operate your computer on battery power until the battery discharges completely. Please make a complete back up of your data to external media before discharging the battery. For more information, see "Backing up your work" on page 78 Charging the RTC battery Your computer has an internal real-time clock (RTC) battery. The RTC battery powers the System Time Clock and BIOS memory used to store your computer's configuration settings. When fully charged, it maintains this information for up to a month when the computer is powered off. The RTC battery may have become completely discharged while your computer was shipped, resulting in a CMOS error message during startup. The error message may vary by computer model. NOTE Depending on your system, the RTC battery may only charge while the computer is turned on. To recharge the RTC battery, plug the computer into a live electrical outlet and leave the computer powered on for 24 hours. NOTE It is seldom necessary to charge the RTC battery because it charges while the computer is on. If the RTC battery is low, the real-time clock and calendar may display the incorrect time and date or stop working. When Hibernation mode is enabled and the RTC battery is completely discharged, a warning prompts you to reset the real-time clock.

Section	Page
Satellite®/Satellite Pro® C800/L800/S800 Series User’s Guide	1
Contents	19
Introduction	25
This guide	27
Safety icons	28
Other icons used	28
Your computer’s features and specifications	29
Other documentation	29
Service options	29
Chapter 1: Getting Started	30
Selecting a place to work	30
Setting up a work environment	30
Keeping yourself comfortable	31
Computer user comfort recommendations	31
Good Working Posture	31
Using the notebook with an external keyboard, mouse or monitor	32
Typing style	33
Taking breaks and varying tasks	33
Mobile computing tips	34
Transporting the notebook	34
Seeking additional help	34
Check list	35
Precautions	35
Important information on your computer’s cooling fan	37
Setting up your computer	38
Connecting to a power source	38
Charging the main battery	41
Using the computer for the first time	41
Initial setup	42
Setting up your software	42
Registering your computer with Toshiba	42
To Shut down your computer	43
To Restart your computer	43
To place your computer in Sleep mode	44
Adding optional external devices	45
Adding memory (optional)	45
Installing a memory module	45
Removing a memory module	51
Checking total memory	53
Recovering the Internal Storage Drive	54
Creating recovery media	55
Restoring from recovery media	57
Refresh your PC (with user’s data)	58
Reset your PC	60
Installing drivers and applications	63
Using the touch pad	64
Adjusting touch pad settings	66
Disabling or enabling the touch pad	67
Connecting an external device	67
Using external display devices	67
Selecting video cables	68
Connecting an HDMI™-compatible television or display device	68
Connecting an external monitor or projector	68
Directing the display output when you turn on the computer	69
Adjusting the quality of the external display	70
Customizing your computer’s settings	70
Caring for your computer	70
Cleaning the computer	71
Moving the computer	71
Using a computer lock	71
Chapter 2: Learning the Basics	73
Computing tips	73
Using the keyboard	74
Function keys	75
Special Windows® keys	76
Mouse properties	76
Starting an app	77
Starting an app from the Start screen	77
Saving your work	78
Backing up your work	78
Using the optical disc drive	78
Optical disc drive components	79
Media control buttons	80
Inserting an optical disc	80
Removing a disc with the computer on	81
Playing optical media	81
Recording optical media	82
Removing a disc with the computer off	82
Toshiba’s online resources	83
Chapter 3: Mobile Computing	84
Toshiba’s energy-saver design	84
Running the computer on battery power	84
Battery Notice	85
Power management	86
Charging the main battery	86
Charging the RTC battery	87
Monitoring main battery power	88
Determining remaining battery power	89
What to do when the main battery runs low	90
Setting battery notifications	90
Conserving battery power	91
Power Plans	92
Using the eco power plan	93
Changing the main battery	94
Removing the battery from the computer	94
Inserting a charged battery	95
Taking care of your battery	97
Safety precautions	97
Maintaining your battery	98
Disposing of used batteries	98
Traveling tips	99
Chapter 4: Exploring Your Computer’s Features	100
Exploring the Start screen	100
Charms	101
Tiles	102
Exploring the desktop	102
Finding your way around the desktop	102
Windows® Store	104
Setting up for communications	104
Connecting your computer to a network	105
Exploring audio features	106
Recording sounds	106
Using external speakers or headphones	107
Using the Web Camera	107
Using the Memory card reader	108
Inserting memory media	108
Removing memory media	109
Chapter 5: Utilities	110
Desktop Assist	111
Media & Entertainment	112
Tools & Utilities	113
Support & Recovery	114
eco Utility®	115
Setting passwords	116
Using a supervisor password	116
Using a user password	118
Deleting a user password	118
System Settings	119
Sleep and Charge	120
USB Sleep and Charge	120
Enabling/Disabling USB Sleep and Charge	122
Power supply mode settings	122
Function Key	123
PC Diagnostic Tool Utility	124
PC Health Monitor	125
Recovery Media Creator	126
Service Station	126
TOSHIBA Application Installer	127
Chapter 6: If Something Goes Wrong	128
Problems that are easy to fix	128
Problems when you turn on the computer	129
The Windows® operating system is not working	131
Using Startup options to fix problems	132
Internet problems	134
The Windows® operating system can help you	135
Fixing a problem with Device Manager	135
Checking device properties	135
Memory problems	136
Power and the batteries	137
Keyboard problems	138
Display problems	139
Disk or storage drive problems	141
Error-checking	141
Optical disc drive problems	143
Sound system problems	144
Printer problems	144
Wireless networking problems	145
DVD operating problems	147
Develop good computing habits	148
Data and system configuration backup in the Windows® operating system	149
If you need further assistance	153
Contacting Toshiba	154
Other Toshiba Internet Web sites	154
Toshiba’s worldwide offices	155
Appendix A: TOSHIBA Function Keys	156
Functions	156
Help file	157
Display brightness	157
Output (Display switch)	158
Disabling or enabling the touch pad	159
Media buttons	159
Volume Mute	160
Disabling or enabling wireless devices	160
Keyboard Function keys	161
Zoom (Display resolution)	161
Appendix B: Power Cord/Cable Connectors	162
Glossary	163