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Toshiba Tecra A50-ASMBNX10 Windows 8.1 User's Guide for Tecra A50/W50-A Series - Page 152

Disk or storage drive problems, Error-checking

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152 If Something Goes Wrong Disk or storage drive problems characteristic of the TFT manufacturing technology. Over a period of time, and depending on the usage of the computer, the brightness of the screen will deteriorate. This is also an intrinsic characteristic of the screen technology. When the computer is operated on battery power, the screen will dim and you may not be able to increase the brightness of the screen while on battery power. Disk or storage drive problems Problems with the storage drive or with external media usually show up as an inability to access the drive or as sector errors. Sometimes a drive problem may cause one or more files to appear to have garbage in them. Error-checking NOTE This feature is not available for optical disc drives. Run Error-checking, which analyzes the directories and files on the storage drive and repairs any damage it finds. To run Error-checking: 1 From the Start screen, type computer. 2 Click or touch This PC from the list that appears. 3 Right-click or touch the drive you wish to check. (Sample Image) Clicking on or touching the drive 4 In the pop-up menu, click or touch Properties. The drive's Properties box appears.

Section	Page
Tecra® A50/W50-A Series User’s Guide	1
Contents	20
Introduction	26
This guide	28
Safety icons	29
Other icons used	29
Your computer’s features and specifications	30
Documentation	30
Service options	30
Chapter 1: Getting Started	31
Selecting a place to work	31
Setting up a work environment	31
Keeping yourself comfortable	32
Computer user comfort recommendations	32
Good Working Posture	32
Using the notebook with an external keyboard, mouse or monitor	33
Typing style	34
Taking breaks and varying tasks	35
Mobile computing tips	35
Transporting the notebook	35
Seeking additional help	36
Check list	36
Precautions	37
Important information on your computer’s cooling fan	39
Setting up your computer	39
Connecting to a power source	40
Charging the main battery	42
Using the computer for the first time	43
Initial setup	43
Setting up your software	44
Registering your computer with Toshiba	44
To Shut down your computer	45
To Restart your computer	46
To place your computer in Sleep mode	46
Adding optional external devices	47
Adding memory (optional)	47
Installing a memory module	48
Removing a memory module	54
Checking total memory	56
Recovering the Internal Storage Drive	57
Creating recovery media	58
Restoring from recovery media	60
Refresh your PC (with user’s data)	62
Reset your PC	64
Installing drivers and applications	67
Using the TOSHIBA Dual Pointing Device	68
Using the touch pad	69
Adjusting touch pad settings	72
Disabling or enabling the touch pad	72
Connecting an external device	72
Using external display devices	73
Selecting video cables	73
Connecting an HDMI™-compatible television or display device	74
Connecting an external monitor or projector	74
Directing the display output when you turn on the computer	74
Adjusting the quality of the external display	76
Customizing your computer’s settings	76
Caring for your computer	76
Cleaning the computer	76
Moving the computer	77
Chapter 2: Learning the Basics	78
Computing tips	78
Using the keyboard	79
Function keys	80
Special Windows® keys	80
Backlit keyboard	81
Touch screen navigation	81
Mouse properties	82
Starting an app	82
Starting an app from the Start screen	82
Saving your work	83
Backing up your work	83
Using the optical disc drive	84
Optical disc drive components	85
Inserting an optical disc	85
Playing optical media	86
Recording optical media	86
Removing a disc with the computer on	87
Removing a disc with the computer off	87
Toshiba’s online resources	88
Chapter 3: Mobile Computing	89
Toshiba’s energy-saver design	89
Running the computer on battery power	89
Battery Notice	90
Power management	91
Charging batteries	91
Charging the main battery	91
Charging the RTC battery	92
Monitoring battery power	93
Determining remaining battery power	94
What to do when the main battery runs low	95
Setting battery notifications	95
Conserving battery power	96
Power Plans	97
Using the eco power plan	98
Changing the main battery	99
Removing the battery from the computer	99
Inserting a charged battery	100
Taking care of your battery	101
Safety precautions	102
Maintaining your battery	102
Disposing of used batteries	102
Traveling tips	104
Chapter 4: Exploring Your Computer’s Features	105
Exploring the Start screen	105
Charms	106
Tiles	107
Exploring the desktop	107
Finding your way around the desktop	107
Windows® Store	109
Setting up for communications	110
Connecting your computer to a network	111
Exploring audio features	111
Recording sounds	111
Using external speakers or headphones	112
Using the Web Camera	113
Using the Smart Card Reader	113
Using an ExpressCard®	114
Inserting an ExpressCard®	114
Removing an ExpressCard®	114
Using the Memory card reader	115
Inserting memory media	116
Removing memory media	116
Using the expansion port	117
Chapter 5: Utilities	119
eco Utility®	120
Password Utility	121
Using a supervisor password	121
Using a user password	123
Deleting a user password	125
System Settings	126
Sleep Utilities	128
USB Sleep and Charge	128
Enabling/Disabling USB Sleep and Charge	130
Power supply mode settings	130
Function Key	132
Recovery Media Creator	133
Service Station	133
TOSHIBA Application Installer	134
Fingerprint Authentication Utility	135
Fingerprint utility limitations	135
Using the Fingerprint Authentication Utility	135
Fingerprint Logon	136
Care and maintenance of your fingerprint reader	136
Fingerprint reader limitations	138
Chapter 6: If Something Goes Wrong	139
Problems that are easy to fix	139
Problems when you turn on the computer	140
The Windows® operating system is not working	142
Using Startup options to fix problems	142
Internet problems	145
The Windows® operating system can help you	146
Fixing a problem with Device Manager	146
Checking device properties	146
Memory problems	147
Power and the batteries	148
Keyboard problems	150
Display problems	150
Disk or storage drive problems	152
Error-checking	152
Optical disc drive problems	153
Sound system problems	155
ExpressCard® problems	155
ExpressCard® checklist	155
Resolving ExpressCard® problems	156
Printer problems	158
Wireless networking problems	159
DVD operating problems	160
Develop good computing habits	161
Data and system configuration backup in the Windows® operating system	162
If you need further assistance	167
Contacting Toshiba	168
Other Toshiba Internet Web sites	168
Toshiba’s worldwide offices	168
Appendix A: TOSHIBA Function Keys	170
Functions	170
Lock (Instant security)	171
Power plan	171
Sleep mode	171
Hibernation mode	171
Output (Display switch)	172
Display brightness	173
Disabling or enabling wireless devices	173
Disabling or enabling the touch pad	173
Volume Mute	174
Keyboard Function keys	174
Zoom (Display resolution)	174
Appendix B: Power Cord/Cable Connectors	175
Glossary	176
A	178
B	179
C	180
D	181
E	182
F	183
G	184
H	184
I	185
K	185
L	185
M	186
N	186
O	187
P	187
R	188
S	189
T	190
U	190
W	190