Lenovo ThinkCentre Tiny-in-One 23 Monitor Safety, Troubleshooting, and Warrant - Page 31

Troubleshooting, information - display

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Troubleshooting information 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 2-1. Troubleshooting Problem The power indicator is not lit and there is no image The power indicator is green, but there is no image. The image quality is unacceptable. Possible cause Suggested action 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. The video signal cable is Be sure the video signal is loose or disconnected from connected with the system the system or monitor. properly. The monitor brightness and contrast levels are at the lowest setting. Adjust the brightness and contrast setting on the OSD (On Screen Display) menu. 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. The color settings may be Select another color setting incorrect. from the OSD menu. The automatic image setup Perform automatic image function was not setup (LCD monitor). performed (LCD monitor). The image may be impacted by a magnetic field (CRT monitor). Select the Degauss function in the OSD (CRT monitor). © Lenovo 2007. Portions © IBM Corp. 2005. 2-1

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Troubleshooting
information
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
2-1.
Troubleshooting
Problem
Possible
cause
Suggested
action
The
power
indicator
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.
The
power
indicator
is
green,
but
there
is
no
image.
The
video
signal
cable
is
loose
or
disconnected
from
the
system
or
monitor.
Be
sure
the
video
signal
is
connected
with
the
system
properly.
The
monitor
brightness
and
contrast
levels
are
at
the
lowest
setting.
Adjust
the
brightness
and
contrast
setting
on
the
OSD
(On
Screen
Display)
menu.
The
image
quality
is
unacceptable.
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.
The
color
settings
may
be
incorrect.
Select
another
color
setting
from
the
OSD
menu.
The
automatic
image
setup
function
was
not
performed
(LCD
monitor).
Perform
automatic
image
setup
(LCD
monitor).
The
image
may
be
impacted
by
a
magnetic
field
(CRT
monitor).
Select
the
Degauss
function
in
the
OSD
(CRT
monitor).
©
Lenovo
2007.
Portions
©
IBM
Corp.
2005.
2-1