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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 21) if the following recommendations do not resolve the problem.
Symptom
No picture
If the ! (power) indicator is not lit
If the NO SIGNAL message appears
on the screen, or if the
! (power) indicator is orange
If the OUT OF SCAN RANGE
message appears on the screen
If no message is displayed and the
! (power) indicator is green or
flashing orange
If using a Macintosh system
Picture flickers, bounces,
oscillates, or is scrambled
Picture is fuzzy
Check these items
• Check that the power cord is properly connected.
• Check that the ! (power) switch is in the "on" position.
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets (page 6).
• Check that the INPUT switch setting is correct (page 8).
• Check that the video input connector's pins are not bent or pushed in.
xProblems caused by the connected computer or other equipment
• The computer is in power saving mode. Try pressing any key on the keyboard or moving
the mouse.
• Check that the computer's power is "on."
• Check that the graphic board is completely seated in the proper bus slot.
xProblems 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 – 130 kHz
Vertical: 48 – 170 Hz
• Use the Self-diagnosis function (page 21).
• Check that the Macintosh adapter (not supplied) and the video signal cable are properly
connected (page 6).
• Isolate and eliminate any potential sources of electric or magnetic fields such as other
monitors, laser printers, fluorescent lighting, televisions, or electric fans.
• Move the monitor away from power lines or place a magnetic shield near the monitor.
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90° to the left or right.
xProblems caused by the connected computer or other equipment
• Check your graphics board manual for the proper monitor setting.
• Confirm that the graphics mode (VESA, Macintosh 21" Color, etc.) and the frequency of
the input signal are supported by this monitor (Appendix). Even if the frequency is within
the proper range, some graphics 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.
• Adjust the contrast and brightness (page 11).
• Degauss the monitor* (page 13).
• Adjust the degree of moire cancellation until the moire is minimal, or set CANCEL
MOIRE to OFF (page 13).
US
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