IBM P275 Guía De Instalación Rápida página 5

Troubleshooting
Symptom
If no picture is displayed and
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 picture or message is dis-
played and the power indicator
is green.
If no picture or message is dis-
played and the power indicator
is flashing orange.
• Check that the monitor power cord is properly connected.
• Check that the monitor is powered on.
• Check that the video signal cable is properly connected.
• Check that the INPUT switch setting on the front of the monitor is correct.
• Check that the video input connector pins are not bent or pushed in.
• Check that the computer is powered on.
• Check that the computer is not in a power saving mode. Try pressing any key on the key-
board or moving the mouse.
• Turn off the computer and check that the graphic board is completely seated in the proper
bus slot.
• Check that the video frequency range is within the specified range:
Horizontal: 30-130 kHz
Vertical: 48-170 Hz
• If you replaced an old monitor, reconnect it and adjust the frequency range to within the
specified range.
• Disconnect the video signal cable from the monitor.
• Press the power button twice to turn the monitor off and then on.
• Press the (up) button for two seconds immediately after turning the monitor on to enter a
self-test mode (otherwise the monitor will enter a power saving mode). If white, red, green,
and blue color bars appear, the monitor is operating correctly.
• Reconnect the video signal cable and check to ensure your computer is working properly.
• Press the power button twice to turn the monitor off and then on.
• If the power indicator lights up green, the monitor is working properly.
• If the power indicator is still flashing, there is a potential monitor failure. Call IBM support.
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