Manual Toshiba Satellite C640D (page 95 of 161) (English)

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User’s Manual 4-26

Satellite C600/C640/C645/C600D/C640D/C645D, Satellite Pro C600/C640/C600D/C640D

■ You can clean the display screen by spraying a small amount of glass

cleaner onto a soft, clean cloth and then wiping the screen gently with

the cloth.

Moving the computer

While the computer is designed for flexible day-to-day usage you should

exercise a few simple precautions when moving it in order to help ensure

trouble-free operation.

■ Make sure all disk/disc activity has ended before moving the computer.

■ Turn off (shut down) the computer.

■ Disconnect the AC adaptor and all peripherals before moving the

computer.

■ Close the display panel.

■ Do not pick up the computer by its display panel.

■ Before carrying your computer, shut it down, disconnect the AC adaptor

and allow it to cool down - a failure to follow this instruction may result in

minor heat injury.

■ Be careful not to subject the computer to impact or shock - a failure to

follow this instruction could result in damage to computer, computer

failure or loss of data.

■ Never transport your computer with any cards installed - this may cause

damage to either the computer and/or the card resulting in product failure.

■ Always use a suitable carry case when transporting the computer.

■ When carrying your computer, be sure to hold it securely so that it does

not fall or hit anything.

■ Do not carry your computer by holding any of its protruding elements.

Heat dispersal

To protect against overheating, the processor is equipped with an internal

temperature sensor which activates a cooling fan or lowers the processing

speed if the computer’s internal temperature rises to a certain level. You

are able to select whether to control this temperature by either turning on

the fan first, then if necessary lowering the processor speed, or by lowering

the processor speed first, then if necessary turning on the fan. Both of

these functions are controlled through the Power Options.

When the processor’s temperature falls within normal range, the fan will be

turned off and the processor operation returned to its standard speed.

Never spray cleaner directly onto the computer or let liquid run into any

part of it. Never use harsh or caustic chemical products to clean the

computer.

If the processor’s temperature reaches an unacceptably high level with

either setting, the computer automatically shuts down to prevent any

damage. In this instance all unsaved data in memory will be lost.

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Toshiba Satellite C640D Manual

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