Lenovo Notebook Computer User Guide
60
your
computer
and
disks
and
avoid
magnetic
detectors
(including
the
arch
‐
like
machine
and
handheld
detectors
in
the
hands
of
safety
investigators).
z
If
you
travel
with
your
computer
abroad,
get
to
know
the
power
cord
standard
in
the
destination
country
before
you
go.
4.1.6
Do
not
change
the
factory
hardware
specification
without
authorization
z
Do
not
change
the
computer’s
factory
hardware
specification,
including
removing
original
hardware
or
adding
new
hardware,
without
authority
from
Lenovo
licensed
agencies.
z
Lenovo
has
no
warranty
on
the
usability
or
reliability
of
any
devices
or
software
that
are
not
provided
by
Lenovo
or
its
affiliates.
4.2 Troubleshooting
4.2.1
The
computer
does
nothing
when
you
press
the
power
button.
Do
as
follows:
z
See
if
the
AC
adapter
and
its
power
cord
are
well
connected
to
the
computer
and
power
outlet.
z
Check
the
battery’s
power
status
(some
batteries
are
equipped
with
a
power
self
‐
checking
button).
See
if
the
battery
interface
is
damaged
or
if
the
power
cord
plug
is
damaged.
z
Use
the
battery
and
AC
power
to
power
the
computer
respectively.
Turn
the
computer
on
to
see
if
the
power
indicator
