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3.
Insert
the
upgrade
diskette
into
the
diskette
drive.
4.
Power-on
the
computer.
5.
At
power
up,
the
system
will
make
a
beep
sound
and
will
show
no
video,
as
it
starts
reading
from
the
floppy
disk.
6.
The
system
will
continue
making
a
series
of
beep
sounds
followed
by
a
few
seconds
of
silence.
The
whole
process
should
last
for
a
few
minutes.
7.
When
the
boot
block
recovery
process
is
finished,
the
system
will
make
a
final
long-lasting
beep
sound.
8.
Remove
the
floppy
disk,
power
off
the
computer
(keeping
power
button
pressed
for
around
5
seconds),
move
the
recovery
jumper
back
to
the
normal
position
and
replace
the
cover.
9.
Perform
a
Flash/BIOS
update
to
re-enter
machine
type
and
serial
number
data
using
the
procedure
provided
below:
Flash/BIOS
Update
process
to
follow
after
performing
a
boot
block
recovery
process:
1.
After
replacing
the
cover,
insert
the
upgrade
floppy
disk
into
the
disk
drive
and
turn
on
the
computer.
The
IBM
Logo
will
appear.
2.
When
the
Flash
Update
Utility
appears,
select
the
country/keyboard,
then
press
enter.
3.
Since
the
serial
number
data
has
been
deleted,
you
will
be
prompted
to
enter
it.
Press
Y
to
update
the
data.
4.
Type
the
7-digit
Serial
Number
of
the
computer
and
press
enter.
5.
You
will
also
be
prompted
to
update
the
Machine
Type
information
of
your
system.
Follow
the
onscreen
instructions
to
do
so.
6.
After
Serial
Number
and
Machine
Type
information
has
been
entered,
the
BIOS
will
be
updated.
7.
During
the
update
process,
the
following
message
will
pop
up:
″BIOS
ROM
file
is
older
than
(or
same
as)
BIOS
ROM
Image.
Continue
anyway?
(Y/N)″
Press
Y
to
continue.
8.
When
finished,
remove
the
floppy
disk
and
re-start
the
system.
9.
When
re-starting,
the
system
will
prompt
a
message
indicating
that
an
unauthorized
CMOS
change
was
detected.
Press
F1
to
go
to
Setup.
10.
Once
in
the
setup
utility,
go
to
the
EXIT
tab
and
select
the
option
Save
and
Exit
the
Setup
utility.
11.
A
Setup
confirmation
window
pops
up.
Press
Y
continue.
268
Hardware
Maintenance
Manual