11
Trouble symptoms and remedies
If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual.
Use the self-diagnosis function (page 13) if the following recommendations do not resolve the problem.
Symptom
Check these items
No picture
If the
1
(power) indicator is not lit
• Check that the power cord is properly connected.
• Check that the
1
(power) button is in the “on” position.
If the CHECK SIGNAL CABLE
message appears on the screen, or if
the
1
(power) indicator is amber
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets (page 4).
• Check that the HD15 video input connector’s pins are not bent or pushed in.
x
Problems caused by the connected computer or other equipment
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus slot.
If the OUT OF SCAN RANGE
message appears on the screen
x
Problems caused by the connected computer or other equipment
• Check that the video frequency range is within that specified for the monitor. If you
replaced an old monitor with this monitor, reconnect the old monitor and adjust the
frequency range to the following.
Horizontal: 30 – 94 kHz
Vertical: 48 – 170 Hz
If no message is displayed and the
1
(power) indicator is green or flashing
amber
• Use the Self-diagnosis function (page 13).
Picture flickers, bounces,
oscillates, or is scrambled
• Isolate and eliminate any potential sources of electric or magnetic fields such as other
monitors, laser printers, electric fans, fluorescent lighting, or televisions.
• Move the monitor away from power lines or place a magnetic shield near the monitor.
• Try plugging the monitor into a different AC power outlet, preferably on a different
circuit.
• Try turning the monitor 90
°
to the left or right.
x
Problems caused by the connected computer or other equipment
• Check your graphics board manual for the proper monitor setting.
• Confirm that the graphics mode and the frequency of the input signal are supported by this
monitor (Appendix). Even if the frequency is within the proper range, some video boards
may have a sync pulse that is too narrow for the monitor to sync correctly.
• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.
Picture is fuzzy
• Adjust the brightness and contrast (page 7).
• Degauss the monitor* (page 9).
• Select MOIRE ADJUST and adjust the moire cancellation effect (page 9).
Picture is ghosting
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
Picture is not centered or sized
properly
• Adjust the size (page 7) or centering (page 7). Note that some video modes do not fill the
screen to the edges.
Edges of the image are curved
• Adjust the geometry (page 8).
Wavy or elliptical pattern (moire)
is visible
• Select MOIRE ADJUST and adjust the moire cancellation effect (page 9).
x
Problems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform
• Degauss the monitor* (page 9). If you place equipment that generates a magnetic field,
such as a speaker, near the monitor, or if you change the direction the monitor faces, color
may lose uniformity.
White does not look white
• Adjust the color temperature (page 8).
