Troubleshooting/Support - NEC MultiSync E900+ User Manual

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Troubleshooting/Support

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
Picture bounces or a
waving pattern is present
in the picture
Edges of the display
image are not square
Display image is not
centered, too smaIl, or
too large
Color looks blotchy
Check These Items
The video 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 video card/computer.
Check the connector for bent or pushed-in pins.
Signal cable should be completely attached to the
computer. Check the pin assignment and signal
timing of your video card with respect to the
frequency range and pin assignment. If the MAC
adapter is used, check for proper connection or make
sure the video card is MAC compatible and that the
card is properly seated in the computer.
Power Switch should be in the ON position and the
power cord should be connected.
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.
Move electrical devices that may be causing
electrical interference away from the monitor.
Use the OSM Geometry Controls to straighten the
edges.
Use the OSM Size and Position controls to adjust
the image.
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.
Troubleshooting/Support