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Chapter 4 Troubleshooting
Problems Possible cause and remedy
8. Green/red/blue/white dots or defective dots remain
on the screen.
• This is due to LCD panel characteristics and is not a
failure.
9. Interference patterns or fingerprints remain on the
screen.
• Leave the monitor with a white screen. The symptom
may disappear.
10. The Main menu of Adjustment menu does not start. • Check for Adjustment Lock function.
11. The auto-adjustment function does not work
correctly.
• This function does not work when digital signal is input.
• This function works correctly when an image is fully
displayed over the Windows or Macintosh display area.
It does not work properly when an image is displayed
only on a part of the screen (DOS prompt window, for
example) or when a black background (wallpaper, etc.) is
in use.
This function does not work correctly with some graphics
boards.
12. Frequency does not change after the utility disk is
installed on Windows 98/Me/2000/XP.
• Change the input signal frequency using the graphics
board’s utility software.
13. No audio output*
1
• Check whether <Volume> is set to “0”.
• Check the settings of the PC and the audio playback
software.
*
1
: Speaker applied model.