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Safety Instructions
Use the following safety guidelines to help protect yourself and
your notebook.
When Using Your W551 Notebook Computer
CAUTION: Do not operate your portable computer for an
extended period of time with the base resting directly on your
body. With extended operation, heat can build up in the base.
Allowing sustained contact with the skin can cause
discomfort or a burn.
• Do not attempt to service the notebook yourself. Always follow in-
stallation instructions closely.
• Do not carry a battery in your pocket, purse, or other container
where metal objects (such as car keys) could short-circuit the bat-
tery terminals. The resulting excessive current flow can generate
extremely high temperature and may cause burns to your skin.
• Be sure that nothing rests on your AC adapter’s power cable and
that the cable is not located where it can be tripped over or stepped
on.
• While you are using the computer or charging the battery, place
the AC adapter in a ventilated area, like on a desktop or on the
floor. Do not cover the AC adapter with papers or other items that
may prevent ventilation. Also, do not use the AC adapter while it is
inside a carrying case.
• Do not insert objects into the air vent of your notebook computer.
Doing so can cause short-circuiting and may result in fire or electri-
cal shock.
• Use only the AC adapter and batteries that are supplied by your
notebook manufacturer. Using other types of battery or AC adapter
may heighten the risk of fire or explosion.
• Incorrectly placed batteries may result in an explosion.
• Replace only with the same or compatible battery recommended
by the manufacturer.
• Please discard used batteries according to the manufacturer’s in-
structions.
• Before you connect your notebook to a power source, ensure that
the voltage rating of the AC adapter matches that of the available
power source.
- 115 V/60 Hz in most of North and South America and some Far
Eastern countries such as South Korea and Taiwan.
- 100 V/50 Hz in eastern Japan and 100 V/60Hz in western Japan.
- 230 V/50 Hz in most of Europe, the Middle East, and the Far East.
• If you use an extension cord with your AC adapter, ensure that the
total ampere rating of all devices plugged into the extension cord
does not exceed its total capacity.
• When removing battery from your notebook, first turn off the sys-
tem, disconnect the AC adapter from the electrical outlet, then re-
move the battery.
• To avoid risk of an electrical shock, do not connect or disconnect
any cables, or perform maintenance or reconfiguration of this prod-
uct during a thunderstorm.
• Do not throw batteries into fire, doing so may cause explosion.
Check with local authorities first for battery disposal instructions.
• When setting up your notebook for work, place it on a level sur-
face.
