Updating (flashing) bios from a cd-rom or diskette, Recovering from a post/bios update failure, Updating – Lenovo THINKCENTRE 6396 User Manual
Page 158: Flashing), Bios, From, Cd-rom, Diskette, Recovering, Post/bios
Updating
(flashing)
BIOS
from
a
CD-ROM
or
diskette
This
section
describes
how
to
update
(flash)
the
BIOS
using
a
CD-ROM
or
diskette.
system
program
updates
are
available
at
http://www.lenovo.com/support
on
the
World
Wide
Web.
1.
To
update
(flash)
the
BIOS:
v
If
using
a
CD-ROM,
make
sure
the
computer
is
turned
on.
Insert
the
system
program
update
(flash)
CD-ROM
into
the
optical
drive.
The
update
begins.
v
If
using
a
diskette,
make
sure
the
computer
is
turned
off.
Insert
the
system
program
update
(flash)
diskette
and
turn
on
the
computer.
The
update
begins.
2.
When
you
are
prompted
to
select
a
language,
press
the
number
on
your
keyboard
that
corresponds
to
the
language
and
then
press
Enter
.
3.
When
prompted
to
change
the
serial
number,
press
Y
.
4.
Type
the
seven-character
serial
number
of
your
computer
and
then
press
Enter
.
5.
When
prompted
to
change
the
machine
type/model,
press
Y
.
6.
Type
the
seven-character
machine
type/model
of
your
computer
and
then
press
Enter
.
7.
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.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
4.
Remove
any
cables
that
impede
access
to
the
Clear
CMOS/Recovery
jumper.
5.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
pins
2
and
3.
6.
Close
the
computer
cover
and
reconnect
any
cables
that
were
disconnected.
7.
Reconnect
the
power
cords
for
the
computer
and
monitor
to
electrical
outlets.
8.
Insert
the
POST/BIOS
update
(flash)
diskette
or
CD-ROM
into
the
drive,
and
turn
on
the
computer
and
the
monitor.
9.
The
recovery
session
will
take
two
to
three
minutes.
After
the
update
session
is
completed,
there
will
be
no
video,
and
the
system
will
automatically
reboot.
Remove
the
diskette
from
the
diskette
drive.
10.
Repeat
steps
2
through
11.
Replace
the
Clear
CMOS/Recovery
jumper
to
its
original
position.
12.
Close
the
computer
cover
and
reconnect
any
cables
that
were
disconnected.
13.
Turn
on
the
computer
to
restart
the
operating
system.
152
Hardware
Maintenance
Manual