6. Troubleshooting
35
Problems Points to check with possible solutions
3. The screen is too bright or too dark. • Adjust the <Brightness> . (The LCD monitor
backlight has a fixed life span. When the screen
becomes dark or begins to flicker, please contact
your dealer.)
4. Letters and lines appear blurred. • Check whether the signal setting of your PC
matches the resolution and the vertical frequency
settings for the monitor.
• Adjust the blurred lines using <Smoothing> (p.29)
5. Afterimages appear. • Use a screen saver or off timer function for a
long-time image display.
• Afterimages are particular to LCD monitors. Avoid
displaying the same image for a long time.
6. The screen has defective pixels (e.g. slightly light
or dark).
• This is due to the characteristics of the panel
itself and not the LCD product.
7. Interference patterns or pressure marks remain on
the screen.
• Leave the monitor with a white or black screen.
The symptom may disappear.
8. Noise appears on the screen. • When entering the signals of analog input, select
1 to 4 in <Signal Filter> from the <Screen> menu
to change the mode
9. Display position is incorrect. • Adjust image position so that it is displayed
properly within the display area using the
<Position> adjustment (p.21).
•If the problem persists, use the graphics board’s
utility if available to change the display position.
10. Screen image is smaller or larger than the actual
screen images.
• Adjust the resolution using the <Resolution>.
(p.22)
11. Vertical bars of distortion appear. • Decrease the vertical bars using the <Clock>.
(p.21).
12. Horizontal bars of distortion appear. • Decrease the horizontal bars using the
<Phase>(p.21).
13. The characters and images have several vertical
bars on their right side.
• Adjust the characters and images using the
<Signal Filter>.
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