IBM thinkcentre 8189 User Manual
Refer
to
for
information
about
replacing
and
disposing
of
the
battery.
To
change
the
battery:
1.
Turn
off
the
computer
and
all
attached
devices.
2.
Remove
the
cover.
See
3.
Locate
the
battery.
See
4.
If
necessary,
remove
any
adapters
that
impede
access
to
the
battery.
See
for
more
information.
5.
Remove
the
old
battery.
6.
Install
the
new
battery.
7.
Replace
any
adapters
that
were
removed
to
gain
access
to
the
battery.
See
for
instructions
for
replacing
adapters.
8.
Replace
the
cover,
and
plug
in
the
power
cord.
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.
9.
Turn
on
the
computer
and
all
attached
devices.
10.
Use
the
IBM
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
See
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
This
section
applies
to
lost
or
forgotten
passwords.
For
more
information
about
lost
or
forgotten
passwords,
see
Access
IBM
on
your
desktop.
Note:
Some
computer
models
might
have
a
POV
daughter
card
installed
on
the
system
board.
If
this
is
the
case,
the
password
is
stored
in
an
EEPROM
on
the
POV
card
and
can
not
be
erased.
See
for
the
location
of
the
POV
daughter
card.
To
erase
a
forgotten
password:
1.
Turn
off
the
computer
and
all
attached
devices.
2.
Remove
the
cover.
See
3.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
4.
If
necessary,
see
to
remove
any
adapters
that
impede
access
to
the
Clear
CMOS/Recovery
jumper.
20
User
Guide