Chapter 4 Troubleshooting
4-1. No Picture
Problem
Possible cause and remedy
1. No picture
• None of the operation buttons light up.
•
Check whether the power cord is connected properly.
• Turn the main power switch on.
•
Turn off the main power, and then turn it on again a few
minutes later.
• If the monitor is used in a low temperature environment,
leave the monitor for a while with the power turned on,
then turn the power off and on.
• Only the button lights up green.
• Press .
• All operation buttons light up green
or the
button blinks green.
• Adjust the brightness (brilliance) of the screen.
•
Move the mouse or press any key on the keyboard.
•
Check whether the PC is turned on.
•
Switch the input signal (see “4. If an image does not
appear, switch the input signal.” (page 21)).
2. Messages like the ones below appear.
This message appears when the signal is not input correctly
even when the monitor is functioning correctly.
• This message appears when no signal is
input.
Example:
• The message shown left may appear, because some PCs
do not output the signal immediately after the power turns
on.
•
Check whether the PC is turned on.
•
Check whether the signal cable is connected properly.
•
Switch the input signal (see “4. If an image does not
appear, switch the input signal.” (page 21)).
• The message shows that the input signal is
out of the frequency specification range.
Example:
•
Check whether the PC is configured to meet the resolution
and vertical scan frequency requirements of the monitor
(see “Supported Resolutions” (page 35)).
• Reboot the PC.
• Select an appropriate display mode using the graphics
board’s utility. Refer to the User's Manual of the graphics
board for details.
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Chapter 4 Troubleshooting
