Toshiba C70b User Guide

71Learning the Basics
Saving your work
Saving your work
Before you turn off the computer using the Shut down 
command, save your work on the internal storage drive, 
external media, flash media, or optical disc. This is one of 
the most important rules of computing.
Many applications offer a feature that saves documents at 
regular intervals. Check your program’s documentation to 
see if it has an automatic save feature.
Backing up your work
Back up all the files you create in case something happens 
to...

72Learning the Basics
Using the optical disc drive
TECHNICAL NOTE: Your optical disc drive is set to play 
region 1 (North America) DVD-ROMs. A DVD disc of a 
region other than the above mentioned cannot be played 
unless you manually change it in the Properties setting of 
the optical disc drive. The drive will allow you to change 
regions four times. On the fourth change, the region will 
be “locked in.” That is, the drive will only play DVDs from 
that last region. Note that changing from region 1 to...

73Learning the Basics
Using the optical disc drive
Manual eject hole—Use if you need to release the disc 
tray when the power is off. Use a straightened paper clip or 
other narrow object to press the manual eject button located 
inside the hole.
Never use a pencil to press the manual eject button. 
Pencil lead can break off inside the computer and 
damage it.
Media control buttons
The media control buttons located above the keyboard allow 
you mute the sound and play audio CDs or DVD movies 
when the...

74Learning the Basics
Using the optical disc drive
4Hold the disc by its edges and check that it is free of 
dust.
If the disc is dusty, clean it.
5Place the disc carefully in the disc tray, label side up, 
and gently press the disc onto the center spindle until it 
clicks into place.
Handle DVDs and CDs carefully, making contact only 
with the center hole and edge. Do not touch the surface 
of the disc. Do not stack discs. If you incorrectly handle 
the discs, you could lose data.
6Push the disc tray in...

75Learning the Basics
Using the optical disc drive
For more information regarding supported optical media 
formats please refer to your computer’s detailed 
specifications at support.toshiba.com.
Due to manufacturing and quality variations in third party 
optical media (e.g., CD or DVD) or optical media 
players/recorders, in certain cases, your Toshiba optical 
disc drive may not record on certain optical media that 
bear the applicable logo, or play back optical media 
recorded by other computers or...

76Learning the Basics
Toshiba’s online resources
Removing a disc with the computer off
To remove a disc with the computer turned off:
1Insert a slender object, such as a straightened paper 
clip, into the manual eject hole. 
The disc tray slides partially out of the drive.
Never use a pencil to press the manual eject button. 
Pencil lead can break off inside the computer and 
damage it.
2Pull the tray out until it is fully open, remove the disc, and 
place it in its protective cover.
3Gently press the...

77
Chapter 3
Mobile Computing
This chapter covers all aspects of using your computer while 
traveling.
Toshiba’s energy-saver design
Your computer enters a low-power suspension mode when it 
is not being used, thereby conserving energy and saving 
money in the process. It has a number of other features that 
enhance its energy efficiency.
Many of these energy-saving features have been preset by 
Toshiba. We recommend you leave these features active, 
allowing your computer to operate at its maximum...

78Mobile Computing
Running the computer on battery power
Battery Notice
Battery life rating is for comparison purposes only, and does 
not indicate the battery life that will be obtained by any 
individual user. Actual battery life may vary considerably 
from specifications depending on product model, 
configuration, applications, power management settings and 
features utilized, as well as the natural performance 
variations produced by the design of individual components. 
The battery life rating is...

79Mobile Computing
Charging batteries
Power management
Your computer ships with the power management options 
preset to a configuration that will provide the most stable 
operating environment and optimum system performance for 
both AC power and battery modes.
Changes to these settings may result in system 
performance or stability issues. Users who are not 
completely familiar with the power management 
component of the system should use the preset 
configuration. For assistance with setup changes,...

80Mobile Computing
Monitoring battery power
The battery may not start charging immediately under the 
following conditions:
❖The battery is extremely hot or cold. 
To ensure that the battery charges to its full capacity, 
wait until it reaches room temperature (50 to 80 degrees 
Fahrenheit, 10 to 26 degrees Celsius).
❖The battery is almost completely discharged. 
Leave the power connected and the battery should 
begin charging after a few minutes.
HINT: Once the battery is fully charged, we recommend...