Toshiba Satellite C55-a Owners Manual

							Graphics ControlSome NVIDIA graphics models may include NVIDIA ®
 Optimus™
technology feature.
NVIDIA ®
 Optimus™ technology intelligently optimizes notebook
performance by seamlessly switching between a discrete NVIDIA GPU for
great graphics performance and an Intel integrated graphics chip for sustained battery life. Switching is automatic and does not require the user
to reboot the computer.
In the Manage 3D Settings menu of NVIDIA Control Panel, you can change the global 3D settings and create overrides for specific programs. Theoverrides will be used automatically each time the specified programs arelaunched.Please use the default setting for NVIDIA Optimus technology.
If the program does not run normally after the setting has been
changed, please restore the program to the default setting.
If the program does not run normally, please restore the  Preferred 
graphics processor  to the default setting.
When you use some video playback programs to play video files, the
preferred graphics processor in the "Program Settings" tab cannot bechanged to the graphics other than "Integrated Graphics".
To access the Program Settings, click "NVIDIA Control Panel" ->"Manage 3D settings" -> "Program Settings".
To launch the NVIDIA Control Panel, Click  Desktop -> Desktop Assist ->
Control Panel -> Hardware and Sound -> NVIDIA Control Panel .
For more information about the NVIDIA Control Panel system, please refer to the NVIDIA Control Panel Help. To access it, click  Help from the main
menu and then select  NVIDIA Control Panel Help .
On Optimus models, two kinds of Display Drivers are installed: “Intel® HD
Graphics Driver” and “NVIDIA Graphics Driver XXX.XX”.
Do not uninstall the display driver from “Uninstall Program” in the ControlPanel.
If you have to uninstall the display driver, please follow the steps below:
1. Uninstall “NVIDIA Graphics Driver XXX.XX”.
2. Then uninstall “Intel® HD Graphics Driver”.
Intel ®
 Display Power Saving Technology
Intel GPU models may include the Display Power Saving Technology feature that can save the computer's power consumption by optimizing
picture contrast on the internal LCD.
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							This feature can be used if the computer is:
running under battery mode
using the internal LCD display only
The Display Power Saving Technology feature is enabled as the factory
default. If you want to disable this feature, you can disable it.
The Display Power Saving Technology feature can be disabled in the Intel ®
HD Graphics Control Panel/Intel ®
 Graphics and Media Control Panel.
You can access this control panel in the following way:
Right-click on the desktop and click  Graphics Properties...
In Intel ®
 HD Graphics Control Panel:
1. Click  Power and select  On battery.
2. Click  Off under  Display Power Saving Technology .
3. Click  Apply.
If you want to enable this feature, under the conditions mentioned above, click  On under  Display Power Saving Technology .
In Intel ®
 Graphics and Media Control Panel:
1. Click  Power.
2. Select  On battery from the drop-down menu in  Power Source.
3. Clear the  Display Power Saving Technology  check box.
4. Click  OK.
If you want to enable this feature, under the conditions mentioned above, select the  Display Power Saving Technology  check box.
AMD ®
 Vari-Bright ™
AMD GPU models may include the AMD ®
 Vari-Bright ™
 feature that can
save the computer's power consumption by optimizing picture contrast on the internal LCD.
This feature can be used if the computer is:
running under battery mode
using the internal LCD display only
The Vari-Bright feature can be enabled in the AMD VISION Engine Control Center/Catalyst Control Center. You can access the center in the following way:
Right-click on the desktop and click  AMD VISION Engine Control
Center /Catalyst Control Center .
In this control panel:
1. Select  PowerPlay™  under Power.
2. Select  Enable PowerPlay™  check box, and then select the  Enable 
Vari-Bright™  check box.
If you want to improve the picture quality under the conditions mentioned above, adjust the setting towards Maximize Quality or disable this feature.
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							Power Condition DescriptionsPower conditions
The computer's operating capability and battery charge status are affected
by different power conditions, including whether an AC adaptor is
connected and what the charge level is for that battery.The LED in the table below refers to the  DC IN/Battery indicator.  Power onPower off
(no operation)AC adaptor
connectedBattery fully
charged• Operates
• No charge
• LED: white• No charge
• LED: whiteBattery partially
charged or no
charge• Operates
• Charge
• LED: amber• Quick charge
• LED: amberAC adaptor
not
connectedRemaining
battery capacity
is above low
battery trigger
point• Operates
• LED: offRemaining
battery capacity
is below low
battery trigger
point• Operates
• LED: flashes
amberRemaining
battery capacity
is exhaustedComputer shuts
down
DC IN/Battery indicator
Check the  DC IN/Battery  indicator to determine the status of the battery
pack and the power status with the AC adaptor connected. The following indicator conditions should be noted:
Flashing amberThe battery charge is low. The AC adaptor must
be connected in order to recharge the battery.AmberIndicates the AC adaptor is connected and the
battery is charging.
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							WhiteIndicates the AC adaptor is connected and the
battery is fully charged.No lightUnder any other conditions, the indicator does not light.If the battery pack becomes too hot while it is being charged, the charge
will stop and the  DC IN/Battery indicator will go out. When the battery
pack's temperature falls to a normal range, charging will resume - this
process will occur regardless of whether the computer's power is on or off.
Power indicator
Check the  Power indicator to determine the power status of the computer -
the following indicator conditions should be noted:
WhiteIndicates power is being supplied to the
computer and the computer is turned on.Flashing whiteIndicates that the computer is in Sleep Mode and that there is sufficient power available (AC
adaptor or battery) to maintain this condition.No lightUnder any other conditions, the indicator does not light.
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							Chapter 4
Operating Basics This chapter describes the basic operations of your computer, and
highlights the precautions that should be taken when using it.
Using the Touch Pad The Touch Pad located in the palm rest may support the followinggestures:
TapTap once on the touch pad to active an item,
such as an app.Two-Finger TapTap once on the touch pad with two fingers
together to display a menu or other function
depending on the software you are using.
(Similar to right-click)Pinch or stretchPlace two or more fingers down on the touch pad
and move them toward each other (pinch) or
away from each other (stretch). This will show
different levels of information or visually zooms in
or out.Two-Finger ScrollPlace two fingers down and slide them vertically or horizontally from anywhere on the touch pad.
This allows you to operate the scroll bars of a
window.SwipeQuickly move your finger in from the edge of the
touch pad, without pausing when you first touch
it.
Swipe from the left edge: shows your recently
opened apps.
Swipe from the right edge: opens or closes the charms (Search, Share, Start, Devices, Settings).
Swipe from the top edge: opens or closes the
app command bar.
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							Some of the touch pad operations described in this section are only
supported in certain applications.
The Keyboard
The number of keys available on your keyboard will depend on whichcountry/region your computer is configured for, with keyboards beingavailable for numerous languages.
There are different types of keys, specifically typewriter keys, function keys, soft keys, Windows special keys and the keypad overlay.
Never remove the key caps on your keyboard. Doing so could cause
damage to the parts under the key caps.
Keyboard indicator
The following figure shows the position of the  CAPS LOCK indicator and
NUM LOCK  indicator which show the following conditions:
When the CAPS LOCK  indicator glows, the keyboard will produce
capitals when any letter is typed.
When the  NUM LOCK  indicator glows, the ten key allows you to enter
numbers.
Figure 4-1 Keypad indicators
1. CAPS LOCK indicator2. NUM LOCK indicatorCAPS LOCKThis indicator glows green when letter keys are
locked into their uppercase format.NUM LOCKWhen the NUM LOCK indicator glows, you can
use the number keys on the keyboard for number
entry.
Function Key
The function keys (F1 ~ F12) are the twelve keys at the top of your
keyboard.
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2  
						

							You can configure the Function Keys Mode as "Special function mode" or"Standard F1-F12 mode" by clicking  Desktop -> Desktop Assist -> Tools 
& Utilities -> System Settings -> Keyboard .
"Special function mode" allows you to use special functions without
pressing the  FN key.
Special
function modeStandard F1-
F12 modeFunctionF1FN + F1Launches the help file supplied with
the software.F2FN + F2Decreases the computer's display
panel brightness in individual steps.F3FN + F3Increases the computer's display
panel brightness in individual steps.F4FN + F4Changes the active display device.
To use a simultaneous mode, you
must set the resolution of the internal
display panel to match the resolution
of the external display device.F5FN + F5Enables or disables the Touch Pad.F6FN + F6Moves media backward.F7FN + F7Plays or pauses media playback.F8FN + F8Moves media forward.F9FN + F9Decreases the computer's volume.F10FN + F10Increases the computer's volume.F11FN + F11Turns the sound on or off.F12FN + F12Turns the Airplane mode on or off.FN + 1FN + 1Reduces the icon size on the desktop
or the font sizes within one of the
supported application windows.FN + 2FN + 2Enlarges the icon size on the desktop
or the font sizes within one of the
supported application windows.FN + SpaceFN + SpaceChanges the display resolution.
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							Some functions will show the toast notification at the edges of the screen.
Those toast notifications are disabled at factory default. You can enable them in the TOSHIBA Function Key application.
To access it, click  Desktop -> Desktop Assist -> Tools & Utilities ->
Function Key .
Windows special keys
The keyboard provides two keys that have special functions in Windows,
the Windows Start Button key activates the  Start screen while the
application key has the same function as the secondary (right) mouse
button.
This key activates the Windows  Start screen.
This key has the same function as the secondary (right) mouse button.
Generating ASCII characters Not all ASCII characters can be generated using normal keyboard
operation, but you are able to generate these characters using their
specific ASCII codes.
1. Hold down the  ALT key.
2. Using the numeric keypad, type the ASCII code of the character you require.
3. Release  ALT - the ASCII character will appear on the display screen.
Optical disc drives The computer may be installed with a DVD Super Multi drive, Blu-ray™Combo drive or Blu-ray™ Writer drive (BDXL™). When the computer is
accessing an optical disc, the indicator on the drive glows.
Formats The drives support the following formats.
DVD Super Multi drive
The drive supports the following formats: CD-ROM, DVD-ROM, DVD-Video, CD-DA, CD-Text, Photo CD™ (single/multi-session), CD-ROMMode 1/Mode 2, CD-ROM XA Mode 2 (Form1, Form2), Enhanced CD (CD-
EXTRA), Addressing Method 2, DVD-R, DVD-RW, DVD+R, DVD+RW,
DVD-RAM, DVD-R DL (Format1), DVD+R DL.
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							Blu-ray™ Combo drive
In addition to the above formats, Blu-ray™ Combo drive supports BD-ROM
and BD-ROM DL.
Blu-ray™ Writer drive
In addition to the above formats, Blu-ray™ Writer drive supports BD-R, BD-
R DL, BD-RE and BD-RE DL.
Blu-ray™ Writer drive BDXL™
In addition to the above formats, Blu-ray™ Writer drive BDXL™ supports
BD-R TL, BD-R QL and BD-RE TL.
Some types and formats of DVD-R DL and DVD+R DL discs may be
unreadable.
Using optical disc drives
The full-size drive provides high-performance execution of disc based
programs. You can run either 12 cm (4.72") or 8 cm (3.15") discs without an adaptor.
Use the DVD playback application to view DVD-Video discs.
For precautions on writing to discs, refer to the  Writing discs section.
To load discs, follow the steps as detailed below: 1. When the computer’s power is on, press the eject button to open the disc tray slightly.
2. Grasp the disc tray gently and pull until it is fully opened. Figure 4-2 Pressing the eject button and pulling the disc tray open
1. Eject button2. Disc tray
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							3. Lay the disc, label side up, in the disc tray.Figure 4-3 Inserting a disc1. Laser lensWhen the disc tray is fully opened, the edge of the computer will cover the
disc tray slightly. Therefore, you will need to turn the disc at an angle whenyou place it in the disc tray. After seating the disc, however, make sure itlies flat.Do not touch the laser lens or any portion of its surrounding casing as
this could cause misalignment.
Prevent foreign objects from entering the drive. Check the surface of
the disc tray, especially the area behind the front edge of the disc tray, to make sure there are no such objects before closing the drive.
4. Press gently at the center of the disc until you feel it click into place. The disc should lie below the top of the spindle, flush with the spindlebase.
5. Push the center of the disc tray to close it. Press gently until it locks into place.
If the disc is not seated properly when the disc tray is closed, the disc might
be damaged. Also, the disc tray might not open fully when you press the
eject button.
Removing discs
To remove the disc, follow the steps as detailed below:
Do not press the eject button while the computer is accessing the optical disc drive. Wait for the optical disc drive indicator to go out before you openthe disc tray. Also, if the disc is spinning when you open the disc tray, wait
for it to stop before you remove it.
1. To pop the disc tray partially open, press the eject button. Gently pull
the disc tray out until it is fully opened.
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