6.
When
prompted
to
change
the
machine
type/model,
press
Y.
7.
Type
in
the
seven
character
machine
type/model
of
your
computer
and
then
press
Enter.
8.
Follow
the
instructions
on
the
screen
to
complete
the
update.
Updating
(flashing)
BIOS
from
your
operating
system
Note:
Due
to
the
constant
improvements
made
to
the
Web
site,
Web
page
content
(including
the
links
referenced
in
the
following
procedure)
is
subject
to
change.
1.
Go
to
http://www.lenovo.com/support.
2.
Locate
the
Downloadable
files
for
your
machine
type
as
follows:
a.
In
the
Enter
a
product
field,
type
your
machine
type
and
click
Go
→
Continue
→
Downloads
and
drivers
.
b.
Under
the
BIOS
category,
click
Flash
BIOS
update
.
c.
Click
the
TXT
file
that
contains
the
installation
instructions
for
the
flash
BIOS
update
(flash
from
the
operating
system
version).
3.
these
instructions.
This
is
very
important
since
they
are
not
on
the
screen
after
the
download
begins.
4.
Click
Back
to
return
to
the
list
of
files.
Carefully
follow
the
printed
instructions
to
download,
extract,
and
install
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.
Note:
If
your
computer
has
no
internal
diskette
drive,
an
optional
USB
diskette
drive
must
be
connected
to
use
the
BIOS
flash
diskette.
1.
Turn
the
computer
off
and
insert
the
BIOS
flash
diskette
in
the
diskette
drive.
2.
Turn
the
computer
on
and
immediately
press
the
Ctrl
and
Home
keys
(Ctrl
+
Home)
during
the
startup.
3.
The
computer
will
automatically
begin
recovering
the
BIOS.
During
this
time
you
will
see
a
screen
indicating
that
flash
recovery
has
started.
After
the
update
session
completes,
the
computer
automatically
restarts.
4.
Remove
the
BIOS
flash
diskette
from
the
diskette
drive.
14
User
Guide
Summary of Contents for 6179B1U
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