32 Chapter 5 Troubleshooting
Problems Possible cause and remedy
4. Characters a re blurred Check whether the signal setting of your PC matches
the resolution and the vertical freque ncy settings for
the monitor. (page 12)
Adjust using <Outline Enhancer>. (page 22)
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5. Afterim ages appear Afterimages are particular to LCD monito rs. Avoid
displaying the same image for a long time.
Use the screen saver or power save function to avoid
displaying the same image for extended periods of
time.
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6. Green/red/ blue/white dots or de fective dots
remain on the screen. This is due to LCD panel characteristics and is not a
failure.
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7. Interfe rence patterns or pres sure marks remain
on the screen. Leave the monitor with a white or black screen. The
symptom may disappear.
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8. Noise appear s on the screen. When entering the signals of HDCP system, the
normal images may not be displayed immediately.
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9. Display posit ion is incorrect. Adjust image position using <Hor.Position> or <Ver.
Position>. (page 16)
If the problem persists, use the graphics board ’s utility
if available to change the display position.
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10. Ver tical bars appear on t he screen or a part of the
imageisickering.
Adjust using [Clock]. (page 16)•
11.W holescreenisickeringorblurrin g. Adjust using [Phase]. (page 16)•
12. U pper part of the screen i s distorted as shown
below. This is caused when both composite sync (X- OR)
signal and separate vertical sync signal are input
simultaneously. Select either composite signal or
separate signal.
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13. T he adjustment menu does no t appear. Check whether the operation lock function wor ks.
(page 25)
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14. M ode menu does not appear. Check whether the operation lock function works.
(page 25)
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15. T he auto adjust function do es not work correctly. This function d oes not work when digital signal is
input.
This function is intended for use on the Macintosh and
on AT-compatible PC running Windows. It may not
work properly in either of the following case s. It does
not work properly when an image is displayed only
on a part of the screen (command prompt window,
for example) or when a black background (wallpaper,
etc.) is in use.
This function does not work correct ly with some
graphics boards.
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