Toshiba A40 Series - Manual (Page 39)

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The cautions on use of a Satellite A40 series
computer.
1. Cleaning of the dust accumulated on the cooling vent of the computer.
CAUTION: When you use your computer in a dusty area, the dusts
accumulate on a cooling vent at the under side of your computer. The
accumulated dusts cause insufficient heat dissipation. Clean the dusts off
with vacuum cleaner.
2. Cooling vent at the underside of the computer.
CAUTION: To prevent possible overheating of the CPU, make sure the
cooling fan’s air intake is not blocked. The fan draws in air by creating
a vacuum. If the fan is blocked, it could cause the CPU to run at a lower
performance levelor cause the computer to shut down. Loose items such
as notebook and tissue paper, plastic wrappers, or other similar
materials can block the air intake, preventing air from reaching the
CPU. Do not use the computer on surfaces with objects that can be
drawn in by the cooling fan.
Stress injury
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