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Chapter 6 Troubleshooting
Chapter 6 Troubleshooting

If a problem still remains after applying the sugges ted remedies, contact your local dealer.

• No-picture problems → See No.1 - No.2.

• Imaging problems (digital input) → See No.3 - No.8.

• Imaging problems (analog input) → See No.3 - No.12.

• Other problems → See No.13 - No.16.

Problems Possible cause and remedy
1. No picture
• Power indicator does not light.
• Check whether the power cord is connected c orrectly.
• Turn off the main power, and then turn it on again a few minutes
later.
• Turn the main power switch on.
• Press .
• Power indicator lights blue. • Set each adjusting value in [Brightness], [Contrast] and [Gai n]
to higher level. (page 22, page 24)
• Power indicator lights orange. • Switch the input signal with .
• Operate the mouse or keyboard.
• Check whether the PC is turned on.
2. The message below appears. This message appears when the signal is not input cor rectly even
when the monitor functions properly.
• This message appears when no signal is
input.
Example:
• 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 connec ted properly.
• Switch the input signal with .
• The message shows that the input signal is
out of the specied frequency range. (Such
signal frequency is displayed in red.)
Example:
• Check whether the signal setting of your PC matches t he
resolution and the vertical frequency set tings for the monitor.
(refer to the Setup Manual “Setting Screen Resolution”)
• Reboot the PC.
• Select an appropriate display mode using the grap hics board’s
utility. Refer to the manual of the graphics board for details.
fD : Dot Clock
(Displayed only when the digital signal inputs)
fH : Horizontal Frequency
fV : Vertical Frequency
3. The screen is too bright or too dar k. • Adjust using [Brightness] or [Contrast]. (The LCD moni tor
backlight has a xed life span. When the screen becomes dar k
or begins to icker, contact your local dealer.)