NEC MultiSync 75F user manual Troubleshooting

Page 20

Troubleshooting

No 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 assignment and signal timing of your monitor and display card with respect to the recommended timing and pin assignment.

If the MAC adapter is used, check for proper connection or make sure the display card is MAC compatible and that the card is properly seated in the computer.

LED on the monitor is not lit (no green or orange color can be seen)

Power Switch should be in the ON position and the power cord should be connected.

Picture is fuzzy or Color looks blotchy

Adjust the Brightness and Contrast Controls.

Access the Degauss Control through OSM.

Activate the Degauss Control.

CAUTION: A minimum interval of 20 minutes should exist before the Degauss Function is used a second time.

Picture bounces or a waving pattern is present in the picture

Move electrical devices that may be causing electrical interference away from the monitor.

Edges of the display image are not square

Use the OSM Geometry Controls to straighten the edges.

If possible, position the front of the monitor facing east.

Display image is not centered, too small, or too large

Use the OSM Size and Position controls to adjust the image.

English

English-19

Image 20
Contents MultiSync 75F MultiSync 95F Declaration of the Manufacturer English-1Safety Instruction English-2FCC Information English-3Why do we have environmentally labelled computers? TCO‘99What does labelling involve? English-4English-5 Flame retardantsLead Cadmium MercuryCFCs freons TCO Development UnitContents Quick Start English-8English-9 Figure B.1Controls English-10Rotates Rotates the image Recommended use English-12English-13 Ergonomics English-14Specifications English-15Monitor Specifications MultiSync 95F English-16Features English-17Mode LED Indicator Power Saving English-18Troubleshooting