Lenovo 9303 Manuel D’Utilisation
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
with
a
free
90-day
subscription.
After
90
days,
you
must
get
a
new
virus
definition.
For
more
information
about
updating
your
antivirus
software,
refer
to
the
Access
Help
online
help
system
.
See
for
instructions
on
how
to
open
the
online
help
system.
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
operating
system,
open
the
Start
menu
from
the
Windows
desktop,
click
Shut
Down
.
Select
Shut
Down
from
the
drop
down
menu
and
click
OK
.
Installing
external
options
For
information
about
installing
external
options
for
your
computer,
Refer
to
″
in
the
Hardware
Installation
and
Replacement
Guide.
Chapter
3.
Setting
up
your
computer
11