Lenovo E4430 User Manual download pdf (Page 9)

Power supply statement

DANGER

External devices

CAUTION:

Do not connect or disconnect any external device cables other than Universal Serial Bus (USB) cable

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.

General battery notice

DANGER

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 percent 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.

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label

attached. There are no serviceable parts inside these components. If you suspect a problem with

one of these parts, contact a service technician.

Personal computers manufactured by Lenovo contain a 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 instructions included in the product documentation.

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Lenovo E4430 User Manual Page 9