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Problems
. 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.
1. Upper part of the screen is distorted as shown
below.
1. The adjustment menu does not appear.
1. Mode menu does not appear.
1. The auto adjust function does not work correctly.
Possible cause and remedy
Afterimages are particular to LCD monitors. 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.
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
13)
•
If the problem persists, use the graphics board's utility
if available to change the display position.
Adjust using [Clock].
(page
•
Adjust using [Phase].
(page
•
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
21)
•
Check whether the operation lock function works.
(page
21)
•
This function does 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 cases. 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 correctly with some
graphics boards.
Chapter 5 Troubleshooting
13)
13)
7
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