26 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.14.

• Other problems → See No.15 - No.18.

• USB problems → See No.19 - No.20.

Problems Possible cause and remedy
1. No picture
• Power indicator does not light. • Check whether the power cord is connected correctly.
• Touch
• Power indicator is lighting blue.
• Power indicator is lighting yellow. • Check gain setting.
• Switch the input signal with .
• Operate the mouse or keyboard.
• Turn on the PC.
2. The message below appears. This message appears when the signal is not input
correctly even when the monitor functions properly.
• This message appears when no signal is input. • 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. • Adjust image position so that it is displayed properly
within the display area using the <Position> adjustment.
• If the problem persists, use the graphics board’s utility
software if available to change the display position.
4. Screen image displayed is smaller or larger than
the actual screen image. • Adjust the resolution using <Resolution> so that the input
signal resolution equals the resolution in the resolution
adjustment menu.
5. Vertical bars appear on the screen or a part of the
image is fl ickering. • Adjust using <Clock>.
6. Whole screen is fl ickering or blurring. • Adjust using <Phase>.
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