Lenovo 6449 Manuel D’Utilisation
Updating
your
operating
system
Microsoft
makes
updates
available
for
various
operating
systems
through
the
Microsoft
Windows
Update
Web
site.
The
Web
site
automatically
determines
what
Windows
updates
are
available
for
your
specific
computer
and
lists
those
updates
only.
Updates
could
include
security
fixes,
new
versions
of
Windows
components
(such
as
media
player),
fixes
to
other
portions
of
the
Windows
operating
system,
or
enhancements.
Installing
other
operating
systems
If
you
install
your
own
operating
system,
follow
the
instructions
that
come
with
your
operating
system
CDs
or
diskettes.
Remember
to
install
all
device
drivers
after
you
install
your
operating
system.
Installation
instructions
are
usually
provided
with
the
device
drivers.
Updating
your
antivirus
software
Your
computer
comes
with
antivirus
software
you
can
use
to
detect
and
eliminate
viruses.
Lenovo
provides
a
full
version
of
antivirus
software
on
your
hard
disk
drive
with
a
free
90-day
subscription.
After
90
days,
you
must
get
a
new
virus
definition.
Shutting
down
the
computer
When
you
turn
off
your
computer,
always
follow
the
shutdown
procedure
for
your
operating
system.
This
prevents
the
loss
of
unsaved
data
or
damage
to
your
software
programs.
To
shut
down
the
Microsoft
Windows
Vista
®
operating
system,
open
the
Start
menu
from
the
Windows
desktop,
move
the
cursor
to
the
arrow
next
to
the
lock
workstation
button,
and
select
Shut
Down
.
Installing
external
options
For
information
about
installing
external
options
for
your
computer,
refer
to
″Installing
external
options
″
in
the
ThinkStation
Hardware
Installation
and
Replacement
Guide
.
12
User
Guide