Table
3-1.
Monitor
specifications
for
type-model
(continued)
4427-**1
Humidity
Operating
Storage
Shipping
10%
to
80%
5%
to
95%
5%
to
95%
Troubleshooting
If
you
have
a
problem
setting
up
or
using
your
monitor,
you
might
be
able
to
solve
it
yourself.
Before
calling
your
dealer
or
Lenovo,
try
the
suggested
actions
that
are
appropriate
to
your
problem.
Table
3-2.
Troubleshooting
Problem
Possible
cause
Suggested
action
Reference
The
words
″
″
are
shown
on
the
screen,
The
system
is
set
to
a
display
mode
which
is
not
supported
by
the
monitor.
v
If
you
are
replacing
an
old
monitor,
reconnect
it
and
adjust
the
display
mode
to
within
the
specified
range
for
your
new
monitor.
v
If
using
a
Windows
system,
restart
the
system
in
safe
mode,
then
select
a
supported
display
mode
for
your
computer.
v
If
these
options
do
not
work,
contact
the
Customer
Support
Center.
“Selecting
a
supported
display
mode”
on
page
The
image
quality
is
unnacceptable.
The
video
signal
cable
is
not
connected
with
the
monitor
or
system
completely.
Be
sure
the
signal
cable
is
firmly
plugged
into
the
system
and
monitor.
“Connecting
and
turning
on
your
monitor”
on
page
1-3
The
color
settings
may
be
incorrect.
Select
another
color
setting
from
the
OSD
menu.
“Adjusting
your
monitor
image”
on
page
The
automatic
image
setup
function
was
not
performed.
Perform
automatic
image
setup.
“Adjusting
your
monitor
image”
on
page
The
power
indictator
is
not
lit
and
there
is
no
image.
v
The
monitor’s
power
switch
is
not
switched
on.
v
The
power
cord
is
loose
or
disconnected.
v
There
is
no
power
at
the
outlet.
v
Be
sure
the
power
cord
is
connected
properly.
v
Be
sure
the
outlet
has
power.
v
Power
on
the
monitor.
v
Try
using
another
power
cord.
v
Try
using
another
electrical
outlet.
“Connecting
and
turning
on
your
monitor”
on
page
1-3
3-2
Flat
Panel
Monitor
User ’s
Guide
Input
Not Support
2-6
2-2
2-2
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