Lenovo 147500112 User Manual
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Chapter 1. Important safety information
• When the AC adapter is connected to an electrical outlet and your
computer, it generates heat. Do not place the adapter in contact with any
part of your body while using it. Never use the AC adapter to warm your
body. Extended contact with your body, even through clothing, may cause
a skin burn.
For your safety, always follow these basic precautions with your computer:
• Keep the cover closed whenever the computer is plugged in.
• Regularly inspect the outside of the computer for dust accumulation.
• Remove dust from vents and any perforations in the bezel. More frequent
cleanings might be required for computers in dusty or high-traffic areas.
• Do not restrict or block any ventilation openings.
• Do not operate your computer inside furniture, as this might increase the
risk of overheating.
• Airflow temperatures into the computer should not exceed 35°C (95°F).
CD and DVD drive safety
CD and DVD drives spin discs at a high speed. If a CD or DVD is cracked or
otherwise physically damaged, it is possible for the disc to break apart or
even shatter when the CD drive is in use. To protect against possible injury
due to this situation, and to reduce the risk of damage to your computer, do
the following:
• Always store CD/DVD discs in their original packaging.
• Always store CD/DVD discs out of direct sunlight and away from direct
heat sources.
• Remove CD/DVD discs from the computer when not in use.
• Do not bend or flex CD/DVD discs, or force them into the computer or
their packaging.
• Check CD/DVD discs for cracks before each use. Do not use cracked or
damaged discs.
Safety and General Information Guide V1.0_en.book Page 8 Friday, March 4, 2011 4:55 PM