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Main > Troubleshooting > Check List
Check List
Q & A
Self-Test Feature
Check
Before calling for service, check the information in this section to see if you can remedy any
problems 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.
Symptom Check List Solutions
No images on the
screen. I cannot turn
on the monitor.
Is the power cord connected
properly?
Check the power cord connection
and supply.
Can you see "
No Connection,
Check Signal Cable
" on the
screen?
Check the signal cable connection.
If the power is on, reboot the
computer to see the initial
screen(the login screen), which
can be seen.
If the initial screen (the login screen)
appears, boot the computer in the
applicable mode (the safe mode for
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
screen) does not appear, contact a
service center or your dealer.
Can you see "
Sync. Out of
Range, 68.7kHz 168HzPP
" on
the screen?
You can see this message when the
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
screen. Is the power indicator
on the monitor blinking at 1
second intervals?
The monitor is in PowerSaver mode.
Press a key on the keyboard or move
the mouse to activate the monitor
and restore the image on the screen.
I cannot see the On
Screen Display.
Have you locked the
On Screen
Display (OSD)
Menu to prevent
changes?
Unlock the OSD by pressing the
MENU button for at least 10
seconds.
The image on the
screen is shaking.
Check the monitor configuration
to see if it is in Interlace Mode.
(Interlace Mode: Vertical
frequency 43Hz, 87Hz(i), etc)
The signal from the video card
exceeds the maximum resolution and
frequency of the monitor.
Are there any magnetic
products such as a power
adapter, speaker or a high
voltage wire near by?
Move the monitor away from
anything that can create a strong
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.