Toshiba Satellite C55-a Owners Manual

Please make sure to use the default Boot Mode option in the BIOS
setup utility before restoring.
1. In the  Settings  charm, click  Power and then select  Restart.
2. Hold down the  F2 key and then release this key one second after
the computer is power on - the BIOS setup utility will load.
In the BIOS setup screen, select  Advanced -> System Configuration
-> Boot Mode -> UEFI Boot  (Default).
If you set the Boot Mode as  CSM Boot, the recovery media created by
Recovery Media Creator will NOT be able to...

In addition, if you use a third-party partitioning program to reconfigure the
partitions on your Hard Disk Drive, you may find that it becomes impossible
to setup your computer.Make sure that the AC adaptor is connected during the restoring process.When you reinstall the Windows operating system, the hard disk may be reformatted and all data may be lost.
1. In the  Settings charm, click  Power and then select  Restart.
2. Hold down  0 (zero) key and then release this key one second after the
computer is...

Chapter 6
Troubleshooting TOSHIBA has designed this computer for durability, however, shouldproblems 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...

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.
Check that your disc media is correctly loaded
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 toTOSHIBA Support. In addition, if a problem recurs, the log you have madewill help to identify the problem faster....

HardwareIf you cannot find a software problem, you should
then check the setup and configuration of your
hardware. First run through the items in the
preliminary checklist as described previously
then, if you still cannot correct the problem, try to identify the source - the next section provideschecklists for individual components and
peripherals.Before using a peripheral device or application software that is not an authorized TOSHIBA part or product, make sure the device or software canbe used with...

If the indicator is glowing, the computer is on. Also, try turning the computer
off and then on.
If you are using an AC adaptor, verify that the computer is receiving power
from the external power source by looking at the  DC IN/Battery indicator. If
the indicator is glowing, the computer is connected to a live external power
source.
The computer will not load advanced options during startup
By holding down one of the following keys during startup, your computer
will load advanced options as shown...

Overheating power down
If the processor's temperature reaches an unacceptably high level witheither setting, the computer will automatically shut down to prevent any
damage - in this instance all unsaved data in memory will be lost.
ProblemProcedureComputer shuts
down automatically.Leave the computer off until the it reaches room
temperature. If the computer has reached room
temperature and it still does not start, or if it starts
but shuts down quickly, contact TOSHIBA Support.
AC power
If you have...

ProblemProcedureBattery doesn’t
charge when the AC
adaptor is attached.If the battery is completely discharged, it will not
begin charging immediately, in these instances you should wait a few minutes before trying again. If
the battery still does not charge, you should check
that the power outlet the AC adaptor is connected to its supplying power - this can be tested by
plugging another appliance into it.
Check whether the battery is hot or cold to the
touch - if so, it will not charge properly and...

Real Time ClockProblemProcedureThe BIOS setting
and system date/
time are lost.The charge in the Real Time Clock (RTC) battery
has run out - you will need to set the date and time
in the BIOS setup application by using the
following steps:
1. In the  Settings charm, click  Power and then
select  Restart .
2. Hold down the  F2 key and then release this
key one second after the computer is power on - the BIOS setup utility will load.
3. Set the date in the  System Date field.
4. Set the time in the  System...

ProblemProcedureMarkings appear on
the computer's
display panel.These marks may have come from contact with the
keyboard and Touch Pad while the display panel
has been closed. You should try to remove the marks by gently wiping the display panel with a
clean dry cloth or, if this fails, with a good quality
LCD screen cleaner. In this latter instance you
should always follow the instructions with the
screen cleaner and always ensure you let the display panel dry properly before closing it.
Hard Disk...