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Chapter 3 Troubleshooting
3-2. Imaging Problems
Problem Possible cause and remedy
1. The screen is too bright or too dark. • Use “Brightness” or “Backlight” in the Setting menu to adjust
it.
2. Text is blurred • Check whether the PC is congured to meet the resolution
and vertical scan frequency requirements of the monitor (see
“Compatible Resolutions” in the Instructions for Use).
3. Afterimages appear • Afterimages are particular to LCD monitors. Avoid displaying
the same image for a long time.
• Use the screen saver or power saving function to avoid
displaying the same image for extended periods of time.
• An afterimage may appear even after a short time period has
elapsed depending on the displayed image. If this occurs,
changing the image or leaving the power off for a few hours
may solve the problem.
4. Green, red, blue, white dots or dark dots
remain on the screen
• This is due to LCD panel characteristics and not a
malfunction.
3-3. Other Problems
Problem Possible cause and remedy
1. The Setting menu does not appear. • Make sure the lock function is not set to “On.” (See “Control”
(page 17).)
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