Lenovo M55e User Manual - Page 11

Extension, cords, related, devices, Plugs, outlets, External, Batteries

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If you are not sure of the voltage provided at your electrical outlet, contact your local electric company or refer to official Web sites or other literature for travelers to the country or region where you are located. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are rated to handle the electrical requirements of the product. Never overload these devices. If power strips are used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requirements, and input ratings. Plugs and outlets If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement. 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 defeat this safety feature by trying to insert it 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 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. 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 Important safety information ix

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If
you
are
not
sure
of
the
voltage
provided
at
your
electrical
outlet,
contact
your
local
electric
company
or
refer
to
official
Web
sites
or
other
literature
for
travelers
to
the
country
or
region
where
you
are
located.
Extension
cords
and
related
devices
Ensure
that
extension
cords,
surge
protectors,
uninterruptible
power
supplies,
and
power
strips
that
you
use
are
rated
to
handle
the
electrical
requirements
of
the
product.
Never
overload
these
devices.
If
power
strips
are
used,
the
load
should
not
exceed
the
power
strip
input
rating.
Consult
an
electrician
for
more
information
if
you
have
questions
about
power
loads,
power
requirements,
and
input
ratings.
Plugs
and
outlets
If
a
receptacle
(power
outlet)
that
you
intend
to
use
with
your
computer
equipment
appears
to
be
damaged
or
corroded,
do
not
use
the
outlet
until
it
is
replaced
by
a
qualified
electrician.
Do
not
bend
or
modify
the
plug.
If
the
plug
is
damaged,
contact
the
manufacturer
to
obtain
a
replacement.
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
defeat
this
safety
feature
by
trying
to
insert
it
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
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.
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
Important
safety
information
ix