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Toshiba Satellite U925T-S2120 User Guide - Page 85

Taking care of your battery, Safety precautions, Maintaining your battery, Disposing of your computer

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Mobile Computing 85 Taking care of your battery Taking care of your battery The following sections offer tips on how to take care of your battery and prolong its life. Safety precautions ❖ Always immediately turn the power off and disconnect the power cable/cord plug from the plug socket and stop using the computer if you observe any of the following conditions: ❖ Offensive or unusual oder ❖ Excessive heat ❖ Discoloration ❖ Deformation, cracks, or leaks ❖ Smoke ❖ Other unusual event during use, such as abnormal sound ❖ Do not expose the computer to fire. The battery could explode. Do not turn on the computer's power again until an authorized Toshiba service provider has checked it for safety. Continued use could cause a fire or rupture possibly resulting in serious injury or computer failure including but not limited to the loss of data. Maintaining your battery Fully discharging your battery pack will allow better accuracy of the battery meter. To fully discharge your battery pack: ❖ Periodically, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges. Disposing of your computer Never attempt to dispose of a computer by burning or by throwing it into a fire, and never allow exposure to a heating apparatus (e.g., microwave oven). Heat can cause a computer to explode and/or release caustic liquid, both which may possibly cause serious injury. Discard this computer in accordance with applicable laws and regulations.

Section	Page
Satellite®/Satellite Pro® U920t 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
Recovering the Internal Storage Drive	45
Creating recovery media	47
Restoring from recovery media	49
Refresh your PC (with user’s data)	50
Reset your PC	53
Installing drivers and applications	55
Using the computer in Tablet mode	56
Using the back Camera in Photography mode	57
Calibrating digital compass	58
Changing to Laptop mode	58
Changing the Screen Orientation	60
Using the Touch Screen	61
Using the touch pad	61
Adjusting touch pad settings	64
Disabling or enabling the touch pad	65
Connecting an external device	65
Using external display devices	65
Selecting video cables	65
Connecting an HDMI™-compatible television or display device	66
Directing the display output when you turn on the computer	66
Adjusting the quality of the external display	67
Customizing your computer’s settings	67
Caring for your computer	68
Cleaning the computer	68
Moving the computer	68
Chapter 2: Learning the Basics	69
Computing tips	69
Using the keyboard	70
Function keys	71
Special Windows® keys	71
Backlit keyboard	71
Mouse properties	72
Starting an app	72
Starting an app from the Start screen	72
Saving your work	73
Backing up your work	73
Toshiba’s online resources	74
Chapter 3: Mobile Computing	75
Toshiba’s energy-saver design	75
Running the computer on battery power	75
Battery Notice	76
Power management	77
Charging the main battery	77
Charging the RTC battery	78
Monitoring main battery power	79
Determining remaining battery power	80
What to do when the main battery runs low	81
Setting battery notifications	81
Conserving battery power	82
Power Plans	83
Using the eco power plan	84
Changing the main battery	84
Taking care of your battery	85
Safety precautions	85
Maintaining your battery	85
Disposing of your computer	85
Traveling tips	86
Chapter 4: Exploring Your Computer’s Features	87
Exploring the Start screen	87
Charms	88
Tiles	89
Exploring the desktop	89
Finding your way around the desktop	89
Touch screen navigation	91
Windows® Store	92
Setting up for communications	92
Exploring audio features	93
Recording sounds	93
Using external speakers or headphones	94
Using the Cameras	95
Using the Memory card reader	95
Inserting memory media	96
Removing memory media	96
Chapter 5: Utilities	98
Desktop Assist	99
Media & Entertainment	100
Tools & Utilities	101
Support & Recovery	102
eco Utility®	103
Setting passwords	104
Using a supervisor password	104
Using a user password	106
Deleting a user password	106
System Settings	107
Sleep and Charge	108
USB Sleep and Charge	108
Enabling/Disabling USB Sleep and Charge	110
Power supply mode settings	110
Function Key	111
Cooling Performance Diagnostic Tool	112
PC Diagnostic Tool Utility	113
PC Health Monitor	114
Recovery Media Creator	115
Service Station	115
TOSHIBA Application Installer	116
Chapter 6: If Something Goes Wrong	117
Problems that are easy to fix	117
Problems when you turn on the computer	118
The Windows® operating system is not working	120
Using Startup options to fix problems	120
Internet problems	122
The Windows® operating system can help you	123
Fixing a problem with Device Manager	123
Checking device properties	124
Memory problems	124
Power and the batteries	125
Keyboard problems	126
Display problems	126
Disk or storage drive problems	128
Error-checking	128
Sound system problems	130
Printer problems	130
Wireless networking problems	131
Develop good computing habits	133
Data and system configuration backup in the Windows® operating system	134
If you need further assistance	139
Contacting Toshiba	139
Other Toshiba Internet Web sites	139
Toshiba’s worldwide offices	140
Appendix A: TOSHIBA Function Keys	141
Functions	141
Help file	142
Display brightness	142
Output (Display switch)	143
Disabling or enabling the touch pad	144
Media buttons	144
Volume Mute	145
Disabling or enabling wireless devices	145
Keyboard function keys	145
Zoom (Display resolution)	145
Appendix B: Power Cord/Cable Connectors	146
Glossary	147