Lenovo 7244 Manuel D’Utilisation
The
battery
normally
requires
no
charging
or
maintenance
throughout
its
life;
however,
no
battery
lasts
forever.
If
the
battery
fails,
the
date,
time,
and
configuration
information
(including
passwords)
are
lost.
An
error
message
is
displayed
when
you
turn
on
the
computer.
Refer
to
the
“Lithium
battery
notice”
in
the
ThinkCentre
Safety
and
Warranty
Guide
for
information
about
replacing
and
disposing
of
the
battery.
To
replace
the
battery:
1.
Open
the
computer
cover.
See
2.
Access
the
system
board.
See
3.
Locate
the
battery.
See
4.
Remove
the
old
battery.
5.
Install
a
new
battery.
6.
Close
the
computer
cover
and
connect
the
cables.
See
Note:
When
the
computer
is
turned
on
for
the
first
time
after
battery
replacement,
an
error
message
might
be
displayed.
This
is
normal
after
replacing
the
battery.
7.
Turn
on
the
computer
and
all
attached
devices.
8.
Use
the
Setup
Utility
program
to
set
the
date,
time,
and
any
passwords,
Figure
43.
Removing
the
old
battery
Figure
44.
Installing
a
new
battery
132
Hardware
Maintenance
Manual