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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.
 
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.
 
Connect
 
and
 
disconnect
 
the
 
equipment
 
from
 
the
 
electrical
 
outlet
 
carefully.
 
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
 
PCs
 
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
 
Lenovo
 
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.
 
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
 
the
 
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
 
rechargeable
 
batteries
 
(particularly
 
Lithium
 
Ion
 
batteries),
 
leaving
 
a
 
battery
 
unused
 
in
 
a
 
discharged
 
state
 
could
 
increase
 
the
 
risk
 
of
 
a
 
battery
 
short
 
circuit,
 
which
 
could
 
shorten
 
the
 
life
 
of
 
the
 
battery
 
and
 
can
 
also
 
pose
 
a
 
safety
 
hazard.
 
Do
 
not
 
let
 
rechargeable
 
Lithium-Ion
 
batteries
 
completely
 
discharge
 
or
 
store
 
these
 
batteries
 
in
 
a
 
discharged
 
state.
 
Heat
 
and
 
product
 
ventilation
 
Computers,
 
AC
 
power
 
adapters,
 
and
 
many
 
accessories
 
can
 
generate
 
heat
 
when
 
turned
 
on
 
and
 
when
 
batteries
 
are
 
charging.
 
Always
 
follow
 
these
 
basic
 
precautions:
 
v
   
Do
 
not
 
leave
 
your
 
computer,
 
AC
 
power
 
adapter,
 
or
 
accessories
 
in
 
contact
 
with
 
your
 
lap
 
or
 
any
 
part
 
of
 
your
 
body
 
for
 
an
 
extended
 
period
 
when
 
the
 
products
 
are
 
functioning
 
or
 
when
 
the
 
battery
 
is
 
charging.
 
Your
 
computer,
 
AC
 
power
 
adapter,
 
and
 
many
 
accessories
 
produce
 
some
 
heat
 
during
 
normal
 
operation.
 
Extended
 
contact
 
with
 
the
 
body
 
could
 
cause
 
discomfort
 
or,
 
potentially,
 
a
 
skin
 
burn.
 
v
   
Do
 
not
 
charge
 
the
 
battery
 
or
 
operate
 
your
 
computer,
 
AC
 
power
 
adapter,
 
or
 
accessories
 
near
 
flammable
 
materials
 
or
 
in
 
explosive
 
environments.
 
 
viii
 
ThinkPad
 
Blu-ray
 
Burner
 
Ultrabay
 
Serial
 
ATA
 
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Guide