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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.9.
• Other problems → See No.10 - No.11.
• USB problems → See No.12.
Problems Possible cause and remedy
1.
No picture
• Power indicator does not light.
• Check whether the power cord is connected correctly.
• Press
• Power indicator is lighting blue.
• Power indicator is lighting orange.
• 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.
*
* In Dual Display mode, the display of the error
message is shown by
or .
• 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:
*
* In Dual Display mode, the display of the error
message is shown by
or .
• Select an appropriate display mode using the graphics
board’s utility software. Refer to the manual of the
graphics board for details.
3. Characters are blurred. • Adjust using <Smoothing>.
4. The screen is too bright or too dark. • Adjust <Brightness>. (The LCD monitor backlight has a
fi xed life span. When the screen becomes dark or begins
to fl icker, contact your local dealer.)
5. Afterimages appear. • Use a screen saver or off timer function for a long-time
image display.
• Afterimages are particular to LCD monitors. Avoid
displaying the same image for a long time.
6. Green/red/blue/white dots or defective dots remain
on the screen.
• This is due to LCD panel characteristics and is not a
failure.
7. Interference patterns or pressure marks remain on
the screen.
• Leave the monitor with a white or black screen. The
symptom may disappear.
8. Noise appears on the screen. • When HDCP signal is input, the normal screen may not
appear at once.
9. The display image is appeared in lengthwise. • Check whether the kind of cables connected with the
monitor and the PC. (Connect the monitor and cables
correctly by referring to “Connecting Cables” in Setup
Manual (page 5).)
SX3031W_UM_EN.indd 21SX3031W_UM_EN.indd 21 5/29/2007 1:46:10 PM5/29/2007 1:46:10 PM
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