Appendix
B.
Troubleshooting
Before
contacting
Service
and
Support,
complete
these
steps
to
verify
if
your
adapter
is
defective:
1.
Inspect
your
adapter.
a.
Inspect
case
for
any
damage
(for
example,
cracks,
deformations,
or
exposure
to
water).
b.
Inspect
cables
for
any
damage
(for
example,
cracks,
cut,
or
exposed
wiring).
c.
If
any
damage
is
found,
discontinue
use
of
the
adapter
and
contact
Service
and
Support
for
replacement
parts.
2.
Ensure
all
of
the
connectors
are
firmly
seated
at
the
power
receptacle,
the
input
side
of
adapter,
and
the
notebook
computer.
3.
Ensure
the
adapter
has
adequate
ventilation.
The
adapter
might
overheat
and
shut
down
if
it
is
operated
too
long
in
a
confined
area.
4.
Check
the
AC
receptacle
by
connecting
a
known
working
device
(for
example,
a
lamp).
If
the
AC
receptacle
is
not
working,
verify
that
your
circuit
breaker
or
fuse
panel.
5.
Connect
the
adapter
to
your
notebook
computer:
a.
If
the
adapter
immediately
shuts
off,
check
your
notebook
computer
connector
for
looseness
or
damage.
Try
connecting
the
original
AC
adapter
to
your
notebook
computer.
If
the
original
AC
adapter
operates
correctly,
contact
Service
and
Support
for
a
replacement
adapter.
b.
If
the
adapter
works
for
a
period
of
time
and
then
shuts
off,
check
to
ensure
that
the
adapter
has
proper
ventilation.
It
is
normal
for
the
adapter
to
feel
warm
when
you
touch
it.
Note:
The
adapter
is
designed
to
shut
down
and
latch
off
when
a
fault
is
detected.
The
fault
must
be
removed
AND
the
adapter
must
be
disconnected
for
at
least
10
seconds
before
you
can
reset
the
adapter.
Frequently
Asked
Questions
Is
it
normal
for
the
adapter
to
be
warm
during
operation?
Yes,
it
is
normal
that
the
adapter
will
produce
heat
during
operation.
Will
it
be
a
problem
if
the
power
adapter
is
covered
by
papers
in
an
office
setting?
Yes.
Do
not
cover
the
adapter
with
anything
that
would
prevent
heat
from
dissipating.
The
adapter
must
be
exposed
to
air.
Is
the
adapter
still
usable
if
the
case
cracks
or
the
power
cord
breaks?
31
Summary of Contents for 90W AC Adapter
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