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Troubleshooting
Before calling for service, check the information in this section to see if you can solve the problem yourself.
If you do need assistance, please call the phone number on the warranty card, the phone number on
the Information section or contact your dealer.
Check List
Symptom
Check List
No images on the screen.
Is the power cord connected
Check the power cord connection
I cannot turn on the monitor.
properly?
and supply.
Can you see "No Connection,
Check the signal cable connection.
Check Signal Cable" on the screen?
If the power is on, reboot the
If the initial screen (the login screen)
computer to see the initial
appears, boot the computer in the
screen(the login screen), which
applicable mode (the safe mode for
can be seen.
Windows ME/XP/2000) and
then change the frequency of the
video card.
(Refer to the Preset Timing Modes)
Note: If the initial screen (the login
Can you see "Sync. Out of
You can see this message when the
Range" on the screen?
signal from the video card exceeds
the maximum resolution and frequency
that the monitor can properly handle.
Adjust the maximum resolution and
frequency that the monitor can
properly handle.
There is no image on the
The monitor is in PowerSaver mode.
screen. Is the power indicator
on the monitor blinking at
Press a key on the keyboard or
1second intervals?
move the mouse to activate the
monitor and restore the image on the
screen.
I cannot see the On
Have you locked the On
Unlock the OSD by pressing the
Screen Display.
Screen Display (OSD) Menu to
Menu button for at least 10 seconds.
prevent changes?
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Check List
Symptom
Solution
The image on the
screen is shaking.
The screen shows strange
screen) does not appear, contact
colors or just black and white.
a service center or your dealer.
The screen suddenly has
become unbalanced.
The screen is out of focus or
OSD cannot be adjusted.
The screen is partially distorted. Are there any magnetic
Troubleshooting
Check List
Solution
Check the monitor configuration
The signal from the video card
to see if it is in Interlace Mode.
exceeds the maximum resolution
(Interlace Mode: Vertical
and frequency of the monitor.
frequency 43Hz, 87Hz(i), etc)
Are there any magnetic products
Move the monitor away from
such as a power adapter, speaker
anything that can create a strong
or a high voltage wire near by?
magnetic field.
Is the voltage stable?
The screen image can appear to
shake or vibrate at a particular time
of day due to low supply voltage.
The screen image can also appear to shake or vibrate if there is a
problem with the video card or the computer's main board.
Is the screen displaying only one
Check the signal cable connection.
color as if looking at the screen
Make sure the video card is fully
through a cellophane paper?
inserted in it's slot.
Have the screen colors become
Reboot the computer.
strange after running a program
or due to a crash between
applications?
Has the video card been set
Set the video card by referring to the
properly?
video card manual.
Have you changed the video
Adjust screen image position and
card or the driver?
size using the OSD.
Have you adjusted the
Adjust the resolution and frequency
resolution or frequency to the
at the video card.
monitor?
(Refer to the Preset Timing Modes).
The screen can be unbalanced due to the cycle of the video card
signals. Readjust Position by referring to the OSD.
Have you adjusted the resolution or
Adjust the resolution and frequency
frequency on the monitor?
of the video card. (Refer to the Preset
Timing Modes).
Enter the OSD and perform a "Degauss".
products such as an adapter,
speaker or a high voltage wire
Keep the monitor away from any
near the monitor?
magnetic products.
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