Troubleshooting/Support; Troubleshooting Chart - NEC MultiSync P750 User Manual

Troubleshooting/Support

Troubleshooting Chart

Problem
No picture
Image is scrolling or unstable
LED on the monitor is not lit
(no green, orange or yellow color
can be seen)
Picture is fuzzy
17
Check These Items
• The display card should be completely seated in its slot.
• Power Switch and computer power switch should be in the ON position.
• The signal cable should be completely connected to the display card/computer.
• Check the connector for bent or pushed-in pins.
• Signal cable should be completely attached to the computer.
• Check the pin assignments and signal timings of the monitor and your display
card with respect to recommended timings and pin assignments.
• Power Switch should be in the ON position and the power cord should be connected.
• Adjust the Brightness, then Contrast Control.
• Access the Degauss Control through OSM
(See page 10 for more information.) CAUTION: A minimum interval of 20 minutes should elapse
before the Degauss Control is used a second time when not switching between modes.
controls. Activate the Degauss Control.
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