Lenovo Notebook Computer User Guide
[F2]
to
enter
the
BIOS
setup
program.
¾
Unplug
the
AC
adaptor;
let
the
computer
operate
on
the
battery
power
until
it
automatically
turns
off.
¾
Plug
the
AC
adaptor
to
fully
charge
the
battery.
¾
Repeat
the
above
steps
for
2
or
3
times
to
erase
part
of
the
battery
memory
that
was
affected
and
extend
the
battery
life.
Hint:
Because
the
lithium
‐
ion
battery
has
a
finite
lifecycle,
use
the
external
power
source
as
much
as
possible
to
extend
the
battery
life.
1.3.4
Checking
the
battery
status
When
you
are
using
the
battery
power,
you
can
get
the
battery
status
and
the
remaining
power
of
the
battery
through
the
following
ways:
1.
Double
‐
click
the
battery
icon
at
the
right
‐
bottom
of
Windows
taskbar
(By
the
default,
the
battery
icon
only
shows
when
the
computer
is
using
battery
power.)
to
pop
up
the
battery
status
window.
It
shows
the
battery
status
and
its
remaining
power.
2.
Hold
the
mouse
on
the
battery
icon
at
the
right
‐
bottom
of
Windows
taskbar
(By
the
default,
the
battery
icon
only
shows
when
the
computer
is
using
battery
power.)
to
display
the
remaining
battery
power
automatically.
;
When
the
battery
power
is
low
，
the
system
will
notify
the
user
of
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