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Chapter 4 Troubleshooting
Chapter 4 Troubleshooting
If a problem still remains after applying the suggested remedies, contact your local dealer.
• No-picture problems → See No.1 - No.2.
• Imaging problems → See No.3 - No.11.
• Other problems → See No.12 - No.15.
Problems Possible cause and remedy
1.
No picture
• Power indicator does not light.
• Check whether the power cord is connected correctly. If
the problem persists, turn off the monitor, and then turn it
on again a few minutes later.
• Power indicator is lighting blue. • Check brightness setting.
• Power indicator is lighting yellow. • Turn on the PC.
• Switch the input signal with
.
• Operate the mouse or keyboard.
2. The message below appears for about 40 seconds.
• This message appears when no signal is input.
This message appears when the signal is not input
correctly even when the monitor functions properly.
• The message shown left may appear, because some
PCs do not output the signal soon after power-on.
• Check whether the PC is turned on.
• Check whether the signal cable is connected properly.
• Switch the input signal with
.
• The message below shows that the input signal is
out of the specifi ed frequency range. (Such signal
frequency is displayed in red.)
Example:
• Select an appropriate display mode using the graphics
board’s utility software. Refer to the manual of the
graphics board for details.
3. Display position is incorrect.
• Align the top left corner of the image with the marker on
the screen using the <Position> adjustment.
• Choose a resolution (720 × 400 or 320 × 200) of the
signal that is input by <VGA Selection> to display the
screen at a proper position. This function is available
with a resolution of 720 × 400 or 320 × 200 only.
• If the problem persists, use the graphics board’s utility
software if available to change the display position.
4. Vertical bars appear on the screen or a part of the
image is fl ickering.
• Adjust using <Clock> from <Screen> menu at the
Adjustment menu.
5. Whole screen is fl ickering or blurring.
6. Characters are blurred. • Adjust using <Smoothing>.
