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User’s Manual
Troubleshooting
Check List
Symptom Check List Solutions
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.
The screen shows
strange colors or just
black and white.
Is the screen displaying only one color
as if looking at the screen through a
cellophane paper?
Check the signal cable connection.
Make sure the video card is fully
inserted in it's slot.
Have the screen colors become
strange after running a program or
due to a crash between applications?
Reboot the computer.
Has the video card been set properly? Set the video card by referring to the
video card manual.
The screen is out of
focus or OSD cannot
be adjusted.
Have you adjusted the resolution or
frequency on the monitor?
Adjust the resolution and frequency of
the video card.
LED is blinking but no
images on the screen.
Is the frequency properly adjusted
when checking the Display Timing on
the menu?
Adjust the frequency properly by
referring to the video card manual.
(The maximum frequency per
resolution may differ from product to
product.)
There are only 16
colors shown on the
screen. The screen
colors have changed
after changing the
video card.
Have the Windows colors been set
properly?
For Windows 98(95):
Set the colors properly at the
Control
Panel, Display, Settings.
For Windows 3.1:
Adjust the colors of the screen using
the
VGA utility
provided by the video
card.
Has the video card been set properly? Set the video card by referring to the
video card manual.