Heat And Product Ventilation - Lenovo ThinkPad Warranty Manual

Heat and product ventilation

Computers, AC adapters, and many accessories can generate heat when turned on
and when batteries are charging. Notebook computers can generate a significant
amount of heat due to their compact size. Always follow these basic precautions:
v When your computer is turned on or the battery is charging, the base, the palm
v Do not operate your computer or charge the battery near flammable materials
v Ventilation slots, fans and/or heat sinks are provided with the product for
v When the AC adapter is connected to an electrical outlet and your computer, it
For your safety, always follow these basic precautions with your computer:
v Keep the cover closed whenever the computer is plugged in.
v Regularly inspect the outside of the computer for dust accumulation.
v Remove dust from vents and any perforations in the bezel. More frequent
v Do not restrict or block any ventilation openings.
v Do not operate your computer inside furniture, as this might increase the risk
v Airflow temperatures into the computer should not exceed 35° C (95° F).
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ThinkPad Safety and Warranty Guide
DANGER
rest, and some other parts may become hot. Avoid keeping your hands, your
lap, or any other part of your body in contact with a hot section of the
computer for any extended length of time. When you use the keyboard, avoid
keeping your palms on the palm rest for a prolonged period of time. Your
computer generates some heat during normal operation. The amount of heat
depends on the amount of system activity and the battery charge level.
Extended contact with your body, even through clothing, could cause
discomfort or even a skin burn. Periodically take breaks from using the
keyboard by lifting your hands from the palm rest; and be careful not to use
the keyboard for any extended length of time.
or in explosive environments.
safety, comfort, and reliable operation. These features might inadvertently
become blocked by placing the product on a bed, sofa, carpet, or other flexible
surface. Never block, cover, or disable these features.
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.
cleanings might be required for computers in dusty or high-traffic areas.
of overheating.