Recovering
from
a
POST/BIOS
update
failure
If
power
to
the
computer
is
interrupted
while
POST/BIOS
is
being
updated
(flash
update),
the
computer
might
not
restart
(reboot)
correctly
or
might
not
display
video
(no
video).
If
this
happens,
use
the
following
procedure
to
recover:
1.
Power-off
the
computer
and
remove
the
cover
and
front
bezel.
2.
Remove
the
system
board
Configure
jumper
(J5B2).
Refer
to
“System
board
connectors”
on
page
42
″
or
the
label
inside
the
computer
for
more
information.
3.
Insert
the
upgrade
diskette
into
the
diskette
drive.
4.
Power-on
the
computer.
The
IBM
Logo
will
appear.
Note:
Depending
on
the
amount
of
memory
installed,
it
may
take
up
to
a
minute
for
the
Logo
to
appear.
5.
When
the
Flash
Update
Utility
appears,
select
the
country/keyboard,
then
press
Enter.
6.
If
the
computer
serial
number
was
previously
recorded,
the
number
is
displayed
with
an
option
to
update
it.
Press
Y
to
update
the
serial
number.
7.
Type
the
7-digit
serial
number
of
the
computer
you
are
servicing,
then
press
Enter.
8.
Follow
the
instructions
on
the
screen
to
complete
the
flash
(BIOS/VPD)
update
procedure.
9.
When
you
are
instructed
to
reboot
the
computer,
power-off
the
computer
and
replace
the
Configure
jumper
(J5B2).
Then
replace
the
cover
and
power-on
the
computer.
Replacing
the
battery
The
computer
has
a
special
type
of
memory
that
maintains
the
date,
time,
and
settings
for
built-in
features,
such
as
serial-
and
parallel-port
assignments
(configuration).
A
battery
keeps
this
information
active
when
you
turn
off
the
computer.
The
battery
requires
no
charging
or
maintenance
throughout
its
life;
however,
no
battery
lasts
forever.
If
the
battery
fails,
the
date,
time,
and
configuration
information
are
lost,
and
an
error
message
is
displayed
when
you
turn
on
the
computer.
Note:
If
Enhanced
Security
is
enabled,
the
administrator
password
is
not
lost
when
the
battery
fails.
If
you
replace
the
original
lithium
battery
with
a
heavy-metal
battery
or
a
battery
with
heavy-metal
components,
be
aware
of
the
following
environmental
consideration.
Batteries
and
accumulators
that
contain
heavy
metals
must
not
be
disposed
of
with
normal
domestic
waste.
They
will
be
taken
back
free
of
charge
by
the
manufacturer,
distributor,
or
representative,
to
be
recycled
or
disposed
of
in
a
proper
manner.
Diagnostics
29
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