Power supply statement, Data safety, Cleaning and maintenance – Lenovo 3000 J Series User Manual
Page 16: Additional safety information, Power, Supply, Statement, Data, Safety, Cleaning
Power
supply
statement
Never
remove
the
cover
on
a
power
supply
or
any
part
that
has
the
following
label
attached.
Hazardous
voltage,
current,
and
energy
levels
are
present
inside
any
component
that
has
this
label
attached.
There
are
no
serviceable
parts
inside
these
components.
If
you
suspect
a
problem
with
one
of
these
parts,
contact
a
service
technician.
Data
safety
Do
not
delete
unknown
files
or
change
the
name
of
files
or
directories
that
were
not
created
by
you;
otherwise,
your
computer
software
might
fail
to
work.
Be
aware
that
accessing
network
resources
can
leave
your
computer
vulnerable
to
computer
viruses,
hackers,
spyware,
and
other
malicious
activities
that
might
damage
your
computer,
software,
or
data.
It
is
your
responsibility
to
ensure
that
you
have
adequate
protection
in
the
form
of
firewalls,
antivirus
software,
and
anti-spyware
software
and
keep
this
software
up
to
date.
Cleaning
and
maintenance
Keep
your
computer
and
workspace
clean.
Shut
down
the
computer
and
then
disconnect
the
power
cord
before
cleaning
the
computer.
Do
not
spray
any
liquid
detergent
directly
on
the
computer
or
use
any
detergent
containing
flammable
material
to
clean
the
computer.
Spray
the
detergent
on
a
soft
cloth
and
then
wipe
the
computer
surfaces.
Additional
safety
information
Plastic
bags
can
be
dangerous.
Keep
plastic
bags
away
from
babies
and
children
to
avoid
danger
of
suffocation.
xiv
User
Guide