Updating (flashing) bios from a diskette or cd-rom, Recovering from a post/bios update failure, Updating – Lenovo ThinkCentre M57p User Manual
Page 51: Flashing), Bios, From, Diskette, Cd-rom, Recovering, Post/bios
Updating
(flashing)
BIOS
from
a
diskette
or
CD-ROM
Important
Start
the
Setup
Utility
program
to
view
your
system
information.
See
“Using
the
Setup
Utility
program”
in
the
User
Guide
for
this
product.
If
the
serial
number
and
the
machine
type/model
listed
on
the
Main
menu
do
not
match
what
is
printed
on
the
label
of
your
computer,
you
must
update
(flash)
the
BIOS
to
change
the
serial
number
and
the
machine
type/model.
To
update
(flash)
the
BIOS
from
a
diskette
or
CD-ROM,
do
the
following:
1.
Insert
a
system
program
update
(flash)
diskette
or
CD
into
the
diskette
drive
or
optical
drive.
System
program
updates
are
available
at
http://www.lenovo.com/support
on
the
World
Wide
Web.
Note:
If
you
are
inserting
a
CD-ROM
into
the
optical
drive,
make
sure
that
the
computer
is
turned
on.
2.
Turn
on
the
computer.
If
it
is
on
already,
you
must
turn
it
off
and
back
on
again.
The
update
begins.
3.
When
you
are
prompted
to
select
a
language,
press
the
number
on
your
keyboard
that
corresponds
to
the
language
and
then
press
Enter
.
4.
When
prompted
to
change
the
serial
number,
press
Y
.
5.
Type
the
seven-character
serial
number
of
your
computer
and
then
press
Enter
.
6.
When
prompted
to
change
the
machine
type/model,
press
Y
.
7.
Type
the
seven-character
machine
type/model
of
your
computer
and
then
press
Enter
.
8.
Follow
the
instructions
on
the
screen
to
complete
the
update.
Recovering
from
a
POST/BIOS
update
failure
If
power
to
your
computer
is
interrupted
while
POST/BIOS
is
being
updated
(flash
update),
your
computer
might
not
restart
correctly.
If
this
happens,
perform
the
following
procedure
commonly
called
Boot-block
Recovery.
1.
Turn
off
the
computer
and
any
attached
devices,
such
as
printers,
monitors,
and
external
drives.
2.
Unplug
all
power
cords
from
electrical
outlets,
and
open
the
computer
cover.
See
3.
Access
the
system
board.
See
4.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
5.
Remove
any
cables
that
impede
access
to
the
Clear
CMOS/Recovery
jumper.
6.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
pins
2
and
3.
7.
Reinstall
the
PCI-riser
assembly
if
removed.
8.
Close
the
computer
cover
and
reconnect
any
cables
that
were
disconnected.
9.
Reconnect
the
power
cords
for
the
computer
and
monitor
to
electrical
outlets.
10.
Insert
the
POST/BIOS
update
(flash)
diskette
into
drive
A,
and
turn
on
the
computer
and
the
monitor.
11.
The
recovery
session
will
take
two
to
three
minutes.
During
this
time
you
will
hear
a
series
of
beeps.
After
the
update
session
is
completed,
there
will
be
no
Chapter
4.
Completing
the
parts
replacement
43