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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:
GreenIndicates power is being supplied to the
computer and the computer is turned on.
Blinking amberIndicates that the computer is in Sleep Mode and
that there is sufficient power available (AC
adaptor or battery) to maintain this condition. In
Sleep Mode, this indicator will turn on for two
seconds and off for two seconds.
No lightUnder any other conditions, the indicator does
not light.
Battery
This section explains battery types, use, recharging methods and handling.
Battery types The computer has different types of batteries.
Battery pack
When the AC adaptor is not connected, the computer's main power source
is a removable lithium ion battery pack, also referred to in this manual as
the main battery. You can purchase additional battery packs for extended
use of the computer away from an AC power source although you should
not change the battery pack while the AC adaptor is connected.
Before you remove the battery pack, save your data and shut down the
computer, or place the computer into Hibernation Mode. Please be aware
that, when placing the computer into Hibernation Mode, the contents of
memory will be saved to the hard disk drive, although for safety sake, it is
best to also save your data manually.
Real Time Clock (RTC) battery
The Real Time Clock (RTC) battery provides power for the internal real
time clock and calendar function and also maintains the system
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configuration while the computer is turned off. If the RTC battery becomes
completely discharged, the system will lose this information and the real
time clock and calendar will stop working .
You can change the Real Time Clock settings by turning on the computer
while pressing the F2 key and then release  F2 key when the  TOSHIBA 
Leading Innovation >>>  screen appears. Please refer to Chapter 6
Troubleshooting  for further information.
The RTC battery does not charge while the computer is turned off even if
the AC adaptor is attached.
Care and use of the battery pack
This section provides the important safety precautions in order to handle
your battery pack properly.
Refer to the enclosed  Instruction Manual for Safety and Comfort  for
detailed precautions and handling instructions.
Make sure the battery is securely installed in the computer before
attempting to charge the battery pack. Improper installation could
generate smoke or fire, or cause the battery pack to rupture.
Keep the battery pack out of reach of infants and children. It can
cause injury.
The battery pack are lithium ion batteries, which can explode if not
replaced, used, handled or disposed of properly. Dispose of the
battery as required by local ordinances or regulations. Use only
batteries recommended by TOSHIBA as replacements.
The computer's RTC battery is a lithium battery and should be
replaced only by your dealer or by a TOSHIBA service representative.
The battery can explode if not properly replaced, used, handled or
disposed. Dispose of the battery as required by local ordinances or
regulations.
Charge the battery pack only in an ambient temperature between 5
and 35 degrees Celsius. Otherwise, the electrolyte solution might leak,
battery pack performance might deteriorate and the battery life might
be shortened.
Never install or remove the battery pack without first turning off the
power and disconnecting the AC adaptor. Never remove the battery
pack while the computer is in Sleep Mode. Data could be lost.
Never remove the battery pack while the Wake-up on LAN function is
enabled. Data will be lost. Before you remove a battery pack, disable the
Wake-up on LAN function.
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Charging the batteriesWhen the power in the battery pack becomes low, the  DC IN/Battery
indicator will flash amber to indicate that only a few minutes of battery
power remain. If you continue to use the computer while the  DC IN/Battery
indicator flashes, the computer will enable Hibernation Mode so that you do
not lose any data, and automatically turn itself off.
You must recharge a battery pack when it becomes discharged.
Procedures
To recharge a battery pack while it is installed in the computer, connect the
AC adaptor to the DC IN 19V jack and plug the other end into a working
outlet - the  DC IN/Battery  indicator will glow amber while the battery is
being charged.
Use only the computer connected to an AC power source or optional
TOSHIBA Battery charger to charge the battery pack. Never attempt to
charge the battery pack with any other charger.
Charging Time
The following table shows the approximate time required to fully charge a
discharged battery.
Charging Time (hours)
Battery typePower offPower on
Battery pack (22Wh,
3cell)about 3 hoursabout 4 or longer
Battery pack (48Wh,
6cell)about 4 hoursabout 6 or longer
RTC batterydoesn't chargedoesn't charge
Battery charging notice
The battery may not begin charging immediately under the following
conditions:
The battery is extremely hot or cold (if the battery is extremely hot, it
might not charge at all). To ensure the battery charges to its full
capacity, you should charge it at room temperature of between 5°C to
35°C (41°F to 95°F).
The battery is nearly completely discharged. In this instance you
should leave the AC adaptor connected for a few minutes and the
battery should begin charging.
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The DC IN/Battery  indicator may show a rapid decrease in battery
operating time when you try to charge a battery under the following
conditions:
The battery has not been used for a long time.
The battery has completely discharged and been left in the computer
for a long time.
A cool battery is installed in a warm computer.
In such cases you should follow the steps as detailed below:
1. Fully discharge the battery by leaving it in the computer with the power on until the system automatically turns itself off.
2. Connect the AC adaptor to the DC IN 19V jack of the computer, and to a wall outlet that is supplying power.
3. Charge the battery until the  DC IN/Battery indicator glows green.
Repeat these steps two or three times until the battery recovers normal
capacity.
Monitoring battery capacity Remaining battery power can be monitored using the following methods.
Clicking the battery icon on the Taskbar
Via the Battery Status in the Windows Mobility Center window
You should wait at least 16 seconds after turning on the computer
before trying to monitor the remaining operating time. This is because
the computer needs this time to check the battery's remaining capacity
and then calculate the remaining operating time, based on this
together with the current power consumption.
Please be aware that the actual remaining operating time may differ
slightly from the calculated time.
With repeated discharges and recharges, the battery's capacity will
gradually decrease. In view of this it will be noted that an often used,
older battery will not operate for as long as a new battery even when
both are fully charged.
Maximizing battery operating time A battery's usefulness depends on how long it can supply power on a
single charge, while how long the charge lasts in a battery depends on:
Processor speed
Screen brightness
System Sleep Mode
System Hibernation Mode
Display power off period
Hard disk drive power off period
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How often and for how long you use the hard disk drive and external
disk(c) drives, for example and optical disc.
How much charge the battery contained to begin with.
How you use optional devices, such as a USB device, to which the
battery supplies power.
Whether you enable Sleep Mode, which can conserve battery power if
you are frequently turning the computer off and on.
Where you store your programs and data.
Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
The environmental temperature - operating time decreases at low
temperatures.
The condition of the battery terminals - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Batteries exhausted time When you turn off the power of your computer with batteries fully charged,
the batteries will be exhausted within the following approximate period.
Retention Time
Battery typeSleep modeShut down mode
Battery pack (22Wh,
3cell)2 dayabout 30 days
Battery pack (48Wh,
6cell)5 daysabout 60 days
RTC battery3.5 years3.5 years
Extending battery life To maximize the life of your battery packs:
At least once a month, disconnect the computer from a power source
and operate it on battery power until the battery pack fully discharges.
Before doing so, follow the steps as detailed below.
1. Turn off the computer's power.
2. Disconnect the AC adaptor and turn on the computer's power - if it
does not turn on then go to Step 4.
3. Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged, however, if
the DC IN/Battery  indicator flashes or there is some other warning to
indicate a low battery condition, go to Step 4.
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4. Connect the AC adaptor to the DC IN 19V jack of the computer, and
to a wall outlet that is supplying power. The DC IN/Battery indicator
should glow green, and the Battery indicator should glow amber to
indicate that the battery pack is being charged, however, in the event
that  DC IN/Battery  indicator does not glow this indicates that power is
not being supplied - check the connections for the AC adaptor and the
power cord.
5. Charge the battery pack until the  DC IN/Battery indicator glows
green.
If you have extra battery packs, rotate their use.
If you will not be using the system for an extended period, for example
for more than one month, remove the battery pack from the computer.
Store spare battery packs in a cool dry place out of direct sunlight.
Replacing the battery pack Please be aware that the battery pack is classified as a consumable item.
The operating life of the battery pack will gradually reduce through
repeated charging and discharging, and will need to be replaced when it
reaches the end of its operating life. In addition to this, you might also
replace a discharged battery pack with a charged spare when you are
operating your computer away from an AC power source for an extended
period of time.
This section explains how to remove and install the battery pack, and
begins with the removal process which is detailed through the following
steps.
Do not remove the battery pack while the computer is in Sleep Mode.
Data is stored in RAM, so if the computer loses power it could be lost.
In Hibernation Mode, data will be lost if you remove the battery pack or
disconnect the AC adaptor before the save is completed.
Do not touch the battery release latch while holding the computer or
the battery pack might fall out due to the unintentional release of the
battery release latch and cause injuries.
Removing the battery pack
To remove a discharged battery, follow the steps as detailed below:
1. Save your work.
2. Turn the computer's power off - ensure that the  Power indicator is off.
3. Remove all cables and peripherals that are connected to the computer.
4. Close the display panel and turn the computer upside down.
5. Slide the battery lock (1) into its (
) position.
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6. Slide and hold the battery release latch (2) to disengage the batterypack and then remove it from the computer (3).
Figure 5-1 Releasing the battery pack
1. Battery lock3. Battery pack2. Battery release latch
Installing the battery pack
To install a battery pack, follow the steps as detailed below:
Do not touch the battery release latch while holding the computer or the
battery pack might fall out due to the unintentional release of the battery
release latch and cause injuries.
1. Insert the battery pack as far as it will go into the computer.
2. Ensure that the battery pack is securely in place and the battery lock isin its lock (
) position.
3. Turn your computer over.
Power-up modes The computer has three different power-up modes as follows:
Shut Down Mode : The computer will shut down without saving data -
in view of this you must always save your work before you turn the
computer off.
Hibernation Mode : Data in memory will be saved to the hard disk
drive.
Sleep Mode : Data will be maintained in the computer's memory.
Please refer to the sections  Turning on the power and Turning off the
power  in Chapter 1, Getting Started for further information.
Windows utilities
You can configure various settings associated with both Sleep Mode and
Hibernation Mode within the Power Options (to access it,  Start -> Control 
Panel -> System and Security -> Power Options ).
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Hot keysYou can use the  FN + F3  hot key to enter Sleep Mode or  FN + F4  to enter
Hibernation Mode.
Panel power on/off You can set up your computer so that power is turned off automatically
when you close the display panel, and turned on again when you open it.
Please note that this function is only available for Sleep Mode or
Hibernation Mode, not for Shut Down Mode.
If the panel power off function is enabled, and you manually shut down
Windows, do not close the display panel until the shut down process has
been completed.
System automatic Sleep/HibernationThis feature automatically turns off the system in Sleep or Hibernation
Mode if the computer is not used for a set duration. Refer to  Special
features , in Chapter 4 for an explanation of how to set the duration.
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Chapter 6
Troubleshooting TOSHIBA have designed this computer for durability, however, should
problems occur you are able to use the procedures detailed in this chapter
to help determine the cause.
All users should become familiar with this chapter as knowing what might
go wrong can help prevent problems from occurring in the first place.
Problem solving process Resolving problems will be much easier if you observe the following
guidelines:
Stop immediately when you recognize a problem exists as taking
further action may result in data loss or damage, or you may destroy
valuable problem related information that can help solve the problem.
Observe what is happening - write down what the system is doing and
what actions you performed immediately before the problem
occurred.Make a screenshot of the current display.
Please also be aware that the questions and procedures described in this
chapter are meant only as a guide, they are not definitive problem solving
techniques. In reality many problems can be solved simply, but a few may
require help from your reseller, dealer or service provider - if you find you
need to consult others, be prepared to describe the problem in as much
detail as possible.
Preliminary checklist You should always consider the simplest solution first - the items detailed
in this checklist are easy to fix and yet can cause what appears to be a
serious problem:
Make sure you turn on all peripheral devices before you turn on the
computer - this includes your printer and any other external device you
are using.
Before you attach an external device you should first turn the
computer off, then when you turn the computer back on again it will
recognize the new device.
Make sure all optional accessories are configured properly in the
computer's setup program and that all required driver software has
been loaded (please refer to the documentation included with the
optional accessories for further information on its installation and
configuration).
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Check all cables to ensure they are correctly and firmly attached to the
computer - loose cables can cause signal errors.
Inspect all connecting cables for loose wires and all connectors for
loose pins.
Always try to make detailed notes of your observations and keep them in a
permanent error log - this will help you to describe your problems to your
reseller, dealer or service provider. In addition, if a problem recurs, the log
you have made will help to identify the problem faster.
Analyzing the problem Sometimes the computer will give you clues that can help you identify why
it is malfunctioning. In view of this you should keep the following questions
in mind:
Which part of the computer is not operating properly - keyboard, hard
disk drive, display panel, touch pad, touch pad control buttons - as
each device will produce different symptoms.
Check the options within the operating system to ensure that its
configuration is set properly.
What appears on the display? Does it display any messages or
random characters? Make a screenshot of the current display and, if
possible, look up the messages in the documentation included with the
computer, software or operating system.
Check that all connecting cables are correctly and firmly attached as
loose cables can cause erroneous or intermittent signals.
Do any indicators light, if so, which ones, what color are they and do
they stay on or blink? Write down what you see.
Do you hear any beeps, if so how many, are they long or short and are
they high pitched or low pitched? In addition, is the computer making
any unusual noises? Write down what you hear.
Record your observations so you can describe them in detail to your
reseller, dealer or service provider.
SoftwareThe problems may be caused by your software
or disk. If you cannot load a software package,
the media may be damaged or the program
might be corrupted - in these instances try
loading another copy of the software if possible.
If an error message appears while you are using
a software package you should refer to the
documentation supplied with it as this will usually
include a problem solving section or a summary
of error messages.
Next, you should check any error messages
against the operating system documentation.
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