Power supply statement, External devices, Power – Lenovo 3000 User Manual
Page 16: Supply, Statement, External, Devices
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Power
supply
statement
DANGER
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.
External
devices
CAUTION
Do
not
connect
or
disconnect
any
external
device
cables
other
than
USB
and
1394
cables
while
the
computer
power
is
on;
otherwise,
you
might
damage
your
computer.
To
avoid
possible
damage
to
attached
devices,
wait
at
least
five
seconds
after
the
computer
is
shut
down
to
disconnect
external
devices.
6
Lenovo
3000
Safety
and
Warranty
Guide
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