NEC MultiSync P750 User Manual

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NEC MultiSync P750 User Manual Manual pdf 19 page image

Troubleshooting ChartProblem Check These ItemsNo picture • 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.Image is scrolling or unstable • Signal cable should be completely attached to the computer.• Check the pin assignments and signal timings of the monitor and your displaycard with respect to recommended timings and pin assignments.LED on the monitor is not lit • Power Switch should be in the ON position and the power cord should be connected.(no green, orange or yellow colorcan be seen)Picture is fuzzy • Adjust the Brightness, then Contrast Control.• Access the Degauss Control through OSM ™ controls. Activate the Degauss Control.(See page 10 for more information.) CAUTION: A minimum interval of 20 minutes should elapsebefore the Degauss Control is used a second time when not switching between modes.17Troubleshooting/Support