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Chapter 4 Troubleshooting
Problems
3. The screen is too bright or too dark.
4. Characters are blurred
5. Afterimages appear
6. Green/red/blue/white dots or
defective dots remain on the
screen.
7.
Interference patterns or pressure
marks remain on the screen.
8. Noise appears on the screen.
9.
Display position is incorrect.
10. Vertical bars appear on the screen
or a part of the image is flickering.
11. Whole screen is flickering or
blurring.
12. Upper part of the screen is distorted
as shown below.
13. The adjustment menu does not
appear.
14. Mode menu does not appear.
Possible cause and remedy
•
Adjust using [Brightness] or [Contrast]. (The LCD
monitor backlight has a fixed life span. When the
screen becomes dark or begins to flicker, contact your
local dealer.)
•
Check whether the signal setting of your PC matches
the resolution and the vertical frequency settings
for the monitor. (refer to the Setup Manual "Setting
Screen Resolution")
•
Adjust using <Outline Enhancer>. (page 27)
•
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.
•
This is due to LCD panel characteristics and is not a
failure.
•
Leave the monitor with a white or black screen. The
symptom may disappear.
•
When entering the signals of HDCP system, the
normal images may not be displayed immediately.
•
Adjust image position using <Hor.Position> or <Ver.
Position>. (page 22)
•
If the problem persists, use the graphics board's utility
if available to change the display position.
•
Adjust using [Clock]. (page 21)
•
Adjust using [Phase]. (page 21)
•
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.
•
Check whether the operation lock function works.
(page 29)
•
Check whether the operation lock function works.
(page 29)
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