6
Do not share an electrical outlet with other home or commercial appliances that draw
large amounts of electricity; otherwise, unstable voltage might damage your computer,
data, or attached devices.
Some products are equipped with a three-pronged plug. This plug fits only into a
grounded electrical outlet. This is a safety feature. Do not attempt to circumvent this
safety feature by trying to insert the plug into a non-grounded outlet. If you cannot
insert the plug into the outlet, contact an electrician for an approved outlet adapter or to
replace the outlet with one that enables this safety feature. Never overload an electrical
outlet. The overall system load should not exceed 80% of the branch circuit rating.
Consult an electrician for more information if you have questions about power loads
and branch circuit ratings. Be sure that the power outlet you are using is properly wired,
easily accessible, and located close to the equipment. Do not fully extend power cords
in a way that will stress the cords.
Be sure that the power outlet provides the correct voltage and current for the product
you are installing.
Carefully connect and disconnect the equipment from the electrical outlet.
External devices
Do not connect or disconnect any external device cables other than USB and 1394
cables while the computer power is on; otherwise, you might damage your computer.
To avoid possible damage to attached devices, wait at least five seconds after the
computer is shut down to disconnect external devices.
Batteries
All personal computers manufactured by Lenovo contain a non-rechargeable coin cell
battery to provide power to the system clock. In addition, many mobile products, such
as notebook computers, utilize a rechargeable battery pack to provide system power
when in portable mode. Batteries supplied by Lenovo for use with your product have
been tested for compatibility and should only be replaced with approved parts.
Never attempt to open or service any battery. Do not crush, puncture, or incinerate
batteries or short circuit the metal contacts. Do not expose the battery to water or other
liquids. Only recharge the battery pack strictly according to the instructions included in
the product documentation.
Battery abuse or mishandling can cause the battery to overheat, which can cause
gasses or flame to “vent” from the battery pack or coin cell. If your battery is damaged,
or if you notice any discharge from your battery or buildup of foreign materials on
the battery leads, stop using the battery and obtain a replacement from the battery
manufacturer.
Batteries can degrade when they are left unused for long periods of time. For some
