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A14
Troubleshooting
Check
the
following
before
calling
for
service.
No
image
appears
Is
the
power
cord
of
the
display
connected?
Is
the
power
indicator
light
on?
Is
the
power
on
and
the
power
indicator
blue
or
green?
Is
the
power
indicator
amber?
Do
you
see
an
"OUT
OF
RANGE"
message
on
the
screen?
Do
you
see
a
"CHECK
SIGNAL
CABLE"
message
on
the
screen?
Do
you
see
a
"OSD
LOCKED"
message
on
the
screen?
Check
and
see
if
the
power
cord
is
connected
properly
to
the
power
outlet.
Press
the
Power
button.
Adjust
the
brightness
and
the
contrast.
If
the
display
is
in
power
saving
mode,
try
moving
the
mouse
or
pressing
any
key
on
the
keyboard
to
bring
up
the
screen.
Try
to
turn
on
the
PC.
This
message
appears
when
the
signal
from
the
PC
(video
card)
is
out
of
horizontal
or
vertical
frequency
range
of
the
display.
See
the
'Specifications'
section
of
this
manual and
configure
your
display
again.
This
message
appears
when
the
signal
cable
between
your
PC
and
your
display
is
not
connected.
Check
the
signal
cable
and
try
again.
You
can
secure
the
current
control
settings,
so
that
they
cannot
be
inadvertently
changed.
You
can
unlock
the
OSD
controls
at
any
time
by
pushing
the
MENU
button
for
several
seconds:
the
message
"OSD
UNLOCKED"
will
appear.
Do
you
see
"OSD
LOCKED"
when
you
push
MENU
button?
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